<?xml version="1.0" encoding="UTF-8"?>

<!--XBRL Document Created with Wdesk from Workiva-->
<!--Copyright 2023 Workiva-->
<!--r:9167eb65-5734-464c-9cf5-09c646a997bb,g:115b8ee9-0d4a-498c-91ff-340996fe96d9-->
<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:exr="http://www.extraspace.com/20221231" xmlns:xbrli="http://www.xbrl.org/2003/instance" xmlns:dtr-types="http://www.xbrl.org/dtr/type/2020-01-21" xmlns:xbrldt="http://xbrl.org/2005/xbrldt" attributeFormDefault="unqualified" elementFormDefault="qualified" targetNamespace="http://www.extraspace.com/20221231">
  <xs:import namespace="http://fasb.org/srt/2022" schemaLocation="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd"/>
  <xs:import namespace="http://fasb.org/us-gaap-sup/2022q3" schemaLocation="https://xbrl.fasb.org/us-gaap/2022q3/us-gaap-sup-2022q3.xsd"/>
  <xs:import namespace="http://fasb.org/us-gaap/2022" schemaLocation="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd"/>
  <xs:import namespace="http://www.w3.org/1999/xlink" schemaLocation="http://www.xbrl.org/2003/xlink-2003-12-31.xsd"/>
  <xs:import namespace="http://www.xbrl.org/2003/instance" schemaLocation="http://www.xbrl.org/2003/xbrl-instance-2003-12-31.xsd"/>
  <xs:import namespace="http://www.xbrl.org/2003/linkbase" schemaLocation="http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd"/>
  <xs:import namespace="http://www.xbrl.org/dtr/type/2020-01-21" schemaLocation="https://www.xbrl.org/dtr/type/2020-01-21/types.xsd"/>
  <xs:import namespace="http://xbrl.org/2005/xbrldt" schemaLocation="http://www.xbrl.org/2005/xbrldt-2005.xsd"/>
  <xs:import namespace="http://xbrl.sec.gov/dei/2022" schemaLocation="https://xbrl.sec.gov/dei/2022/dei-2022.xsd"/>
  <xs:import namespace="http://xbrl.sec.gov/stpr/2022" schemaLocation="https://xbrl.sec.gov/stpr/2022/stpr-2022.xsd"/>
  <xs:annotation>
    <xs:appinfo>
      <link:linkbaseRef xmlns:xlink="http://www.w3.org/1999/xlink" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="exr-20221231_lab.xml" xlink:role="http://www.xbrl.org/2003/role/labelLinkbaseRef" xlink:type="simple"/>
      <link:linkbaseRef xmlns:xlink="http://www.w3.org/1999/xlink" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="exr-20221231_pre.xml" xlink:role="http://www.xbrl.org/2003/role/presentationLinkbaseRef" xlink:type="simple"/>
      <link:linkbaseRef xmlns:xlink="http://www.w3.org/1999/xlink" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="exr-20221231_cal.xml" xlink:role="http://www.xbrl.org/2003/role/calculationLinkbaseRef" xlink:type="simple"/>
      <link:linkbaseRef xmlns:xlink="http://www.w3.org/1999/xlink" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="exr-20221231_def.xml" xlink:role="http://www.xbrl.org/2003/role/definitionLinkbaseRef" xlink:type="simple"/>
      <link:roleType id="Cover" roleURI="http://www.extraspace.com/role/Cover">
        <link:definition>0000001 - Document - Cover</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="AuditInformation" roleURI="http://www.extraspace.com/role/AuditInformation">
        <link:definition>0000002 - Document - Audit Information</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ConsolidatedBalanceSheets" roleURI="http://www.extraspace.com/role/ConsolidatedBalanceSheets">
        <link:definition>0000003 - Statement - Consolidated Balance Sheets</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ConsolidatedBalanceSheetsParenthetical" roleURI="http://www.extraspace.com/role/ConsolidatedBalanceSheetsParenthetical">
        <link:definition>0000004 - Statement - Consolidated Balance Sheets (Parenthetical)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ConsolidatedStatementsofOperations" roleURI="http://www.extraspace.com/role/ConsolidatedStatementsofOperations">
        <link:definition>0000005 - Statement - Consolidated Statements of Operations</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ConsolidatedStatementsofComprehensiveIncome" roleURI="http://www.extraspace.com/role/ConsolidatedStatementsofComprehensiveIncome">
        <link:definition>0000006 - Statement - Consolidated Statements of Comprehensive Income</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ConsolidatedStatementsofStockholdersEquity" roleURI="http://www.extraspace.com/role/ConsolidatedStatementsofStockholdersEquity">
        <link:definition>0000007 - Statement - Consolidated Statements of Stockholders' Equity</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ConsolidatedStatementsofStockholdersEquityParenthetical" roleURI="http://www.extraspace.com/role/ConsolidatedStatementsofStockholdersEquityParenthetical">
        <link:definition>0000008 - Statement - Consolidated Statements of Stockholders' Equity (Parenthetical)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ConsolidatedStatementsofCashFlows" roleURI="http://www.extraspace.com/role/ConsolidatedStatementsofCashFlows">
        <link:definition>0000009 - Statement - Consolidated Statements of Cash Flows</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="DescriptionofBusiness" roleURI="http://www.extraspace.com/role/DescriptionofBusiness">
        <link:definition>0000010 - Disclosure - Description of Business</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SummaryofSignificantAccountingPolicies" roleURI="http://www.extraspace.com/role/SummaryofSignificantAccountingPolicies">
        <link:definition>0000011 - Disclosure - Summary of Significant Accounting Policies</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="RealEstateAssets" roleURI="http://www.extraspace.com/role/RealEstateAssets">
        <link:definition>0000012 - Disclosure - Real Estate Assets</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="OtherAssets" roleURI="http://www.extraspace.com/role/OtherAssets">
        <link:definition>0000013 - Disclosure - Other Assets</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="PropertyAcquisitionsandDispositions" roleURI="http://www.extraspace.com/role/PropertyAcquisitionsandDispositions">
        <link:definition>0000014 - Disclosure - Property Acquisitions and Dispositions</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="InvestmentsinUnconsolidatedRealEstateEntities" roleURI="http://www.extraspace.com/role/InvestmentsinUnconsolidatedRealEstateEntities">
        <link:definition>0000015 - Disclosure - Investments in Unconsolidated Real Estate Entities</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="InvestmentsinDebtSecuritiesandNotesReceivable" roleURI="http://www.extraspace.com/role/InvestmentsinDebtSecuritiesandNotesReceivable">
        <link:definition>0000016 - Disclosure - Investments in Debt Securities and Notes Receivable</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="Debt" roleURI="http://www.extraspace.com/role/Debt">
        <link:definition>0000017 - Disclosure - Debt</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="Derivatives" roleURI="http://www.extraspace.com/role/Derivatives">
        <link:definition>0000018 - Disclosure - Derivatives</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ExchangeableSeniorNotes" roleURI="http://www.extraspace.com/role/ExchangeableSeniorNotes">
        <link:definition>0000019 - Disclosure - Exchangeable Senior Notes</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="StockholdersEquity" roleURI="http://www.extraspace.com/role/StockholdersEquity">
        <link:definition>0000020 - Disclosure - Stockholders' Equity</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="NoncontrollingInterestRepresentedByPreferredOperatingPartnershipUnits" roleURI="http://www.extraspace.com/role/NoncontrollingInterestRepresentedByPreferredOperatingPartnershipUnits">
        <link:definition>0000021 - Disclosure - Noncontrolling Interest Represented By Preferred Operating Partnership Units</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="NoncontrollingInterestsInOperatingPartnershipandOtherNoncontrollingInterests" roleURI="http://www.extraspace.com/role/NoncontrollingInterestsInOperatingPartnershipandOtherNoncontrollingInterests">
        <link:definition>0000022 - Disclosure - Noncontrolling Interests In Operating Partnership and Other Noncontrolling Interests</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="Leases" roleURI="http://www.extraspace.com/role/Leases">
        <link:definition>0000023 - Disclosure - Leases</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="StockBasedCompensation" roleURI="http://www.extraspace.com/role/StockBasedCompensation">
        <link:definition>0000024 - Disclosure - Stock-Based Compensation</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="EmployeeBenefitPlan" roleURI="http://www.extraspace.com/role/EmployeeBenefitPlan">
        <link:definition>0000025 - Disclosure - Employee Benefit Plan</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="IncomeTaxes" roleURI="http://www.extraspace.com/role/IncomeTaxes">
        <link:definition>0000026 - Disclosure - Income Taxes</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SegmentInformation" roleURI="http://www.extraspace.com/role/SegmentInformation">
        <link:definition>0000027 - Disclosure - Segment Information</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CommitmentsandContingencies" roleURI="http://www.extraspace.com/role/CommitmentsandContingencies">
        <link:definition>0000028 - Disclosure - Commitments and Contingencies</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ScheduleIIIRealEstateandAccumulatedDepreciation" roleURI="http://www.extraspace.com/role/ScheduleIIIRealEstateandAccumulatedDepreciation">
        <link:definition>0000029 - Disclosure - Schedule III - Real Estate and Accumulated Depreciation</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SummaryofSignificantAccountingPoliciesPolicies" roleURI="http://www.extraspace.com/role/SummaryofSignificantAccountingPoliciesPolicies">
        <link:definition>0000030 - Disclosure - Summary of Significant Accounting Policies (Policies)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SummaryofSignificantAccountingPoliciesTables" roleURI="http://www.extraspace.com/role/SummaryofSignificantAccountingPoliciesTables">
        <link:definition>0000031 - Disclosure - Summary of Significant Accounting Policies (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="RealEstateAssetsTables" roleURI="http://www.extraspace.com/role/RealEstateAssetsTables">
        <link:definition>0000032 - Disclosure - Real Estate Assets (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="OtherAssetsTables" roleURI="http://www.extraspace.com/role/OtherAssetsTables">
        <link:definition>0000033 - Disclosure - Other Assets (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="PropertyAcquisitionsandDispositionsTables" roleURI="http://www.extraspace.com/role/PropertyAcquisitionsandDispositionsTables">
        <link:definition>0000034 - Disclosure - Property Acquisitions and Dispositions (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="InvestmentsinUnconsolidatedRealEstateEntitiesTables" roleURI="http://www.extraspace.com/role/InvestmentsinUnconsolidatedRealEstateEntitiesTables">
        <link:definition>0000035 - Disclosure - Investments in Unconsolidated Real Estate Entities (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="InvestmentsinDebtSecuritiesandNotesReceivableTables" roleURI="http://www.extraspace.com/role/InvestmentsinDebtSecuritiesandNotesReceivableTables">
        <link:definition>0000036 - Disclosure - Investments in Debt Securities and Notes Receivable (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="DebtTables" roleURI="http://www.extraspace.com/role/DebtTables">
        <link:definition>0000037 - Disclosure - Debt (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="DerivativesTables" roleURI="http://www.extraspace.com/role/DerivativesTables">
        <link:definition>0000038 - Disclosure - Derivatives (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ExchangeableSeniorNotesTables" roleURI="http://www.extraspace.com/role/ExchangeableSeniorNotesTables">
        <link:definition>0000039 - Disclosure - Exchangeable Senior Notes (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="NoncontrollingInterestRepresentedByPreferredOperatingPartnershipUnitsTables" roleURI="http://www.extraspace.com/role/NoncontrollingInterestRepresentedByPreferredOperatingPartnershipUnitsTables">
        <link:definition>0000040 - Disclosure - Noncontrolling Interest Represented By Preferred Operating Partnership Units (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="NoncontrollingInterestsInOperatingPartnershipandOtherNoncontrollingInterestsTables" roleURI="http://www.extraspace.com/role/NoncontrollingInterestsInOperatingPartnershipandOtherNoncontrollingInterestsTables">
        <link:definition>0000041 - Disclosure - Noncontrolling Interests In Operating Partnership and Other Noncontrolling Interests (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="LeasesTables" roleURI="http://www.extraspace.com/role/LeasesTables">
        <link:definition>0000042 - Disclosure - Leases (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="StockBasedCompensationTables" roleURI="http://www.extraspace.com/role/StockBasedCompensationTables">
        <link:definition>0000043 - Disclosure - Stock-Based Compensation (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="IncomeTaxesTables" roleURI="http://www.extraspace.com/role/IncomeTaxesTables">
        <link:definition>0000044 - Disclosure - Income Taxes (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SegmentInformationTables" roleURI="http://www.extraspace.com/role/SegmentInformationTables">
        <link:definition>0000045 - Disclosure - Segment Information (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="DescriptionofBusinessDetails" roleURI="http://www.extraspace.com/role/DescriptionofBusinessDetails">
        <link:definition>0000046 - Disclosure - Description of Business (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SummaryofSignificantAccountingPoliciesVariableInterestEntitiesDetails" roleURI="http://www.extraspace.com/role/SummaryofSignificantAccountingPoliciesVariableInterestEntitiesDetails">
        <link:definition>0000047 - Disclosure - Summary of Significant Accounting Policies - Variable Interest Entities (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SummaryofSignificantAccountingPoliciesScheduleofAssetsandLiabilitiesMeasuredatFairValueonaRecurringBasisDetails" roleURI="http://www.extraspace.com/role/SummaryofSignificantAccountingPoliciesScheduleofAssetsandLiabilitiesMeasuredatFairValueonaRecurringBasisDetails">
        <link:definition>0000048 - Disclosure - Summary of Significant Accounting Policies - Schedule of Assets and Liabilities Measured at Fair Value on a Recurring Basis (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SummaryofSignificantAccountingPoliciesScheduleofFairValueofFinancialInstrumentsDetails" roleURI="http://www.extraspace.com/role/SummaryofSignificantAccountingPoliciesScheduleofFairValueofFinancialInstrumentsDetails">
        <link:definition>0000049 - Disclosure - Summary of Significant Accounting Policies - Schedule of Fair Value of Financial Instruments (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SummaryofSignificantAccountingPoliciesRealEstateAssetsDetails" roleURI="http://www.extraspace.com/role/SummaryofSignificantAccountingPoliciesRealEstateAssetsDetails">
        <link:definition>0000050 - Disclosure - Summary of Significant Accounting Policies - Real Estate Assets (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SummaryofSignificantAccountingPoliciesOtherAssetsDetails" roleURI="http://www.extraspace.com/role/SummaryofSignificantAccountingPoliciesOtherAssetsDetails">
        <link:definition>0000051 - Disclosure - Summary of Significant Accounting Policies - Other Assets (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SummaryofSignificantAccountingPoliciesRiskManagementandUseofFinancialInstrumentsDetails" roleURI="http://www.extraspace.com/role/SummaryofSignificantAccountingPoliciesRiskManagementandUseofFinancialInstrumentsDetails">
        <link:definition>0000052 - Disclosure - Summary of Significant Accounting Policies - Risk Management and Use of Financial Instruments (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SummaryofSignificantAccountingPoliciesRevenueandExpenseRecognitionDetails" roleURI="http://www.extraspace.com/role/SummaryofSignificantAccountingPoliciesRevenueandExpenseRecognitionDetails">
        <link:definition>0000053 - Disclosure - Summary of Significant Accounting Policies - Revenue and Expense Recognition (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SummaryofSignificantAccountingPoliciesScheduleofUnpaidClaimsLiabilityDetails" roleURI="http://www.extraspace.com/role/SummaryofSignificantAccountingPoliciesScheduleofUnpaidClaimsLiabilityDetails">
        <link:definition>0000054 - Disclosure - Summary of Significant Accounting Policies - Schedule of Unpaid Claims Liability (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SummaryofSignificantAccountingPoliciesAdvertisingCostsDetails" roleURI="http://www.extraspace.com/role/SummaryofSignificantAccountingPoliciesAdvertisingCostsDetails">
        <link:definition>0000055 - Disclosure - Summary of Significant Accounting Policies - Advertising Costs (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SummaryofSignificantAccountingPoliciesIncomeTaxesDetails" roleURI="http://www.extraspace.com/role/SummaryofSignificantAccountingPoliciesIncomeTaxesDetails">
        <link:definition>0000056 - Disclosure - Summary of Significant Accounting Policies - Income Taxes (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SummaryofSignificantAccountingPoliciesEarningsPerCommonShareDetails" roleURI="http://www.extraspace.com/role/SummaryofSignificantAccountingPoliciesEarningsPerCommonShareDetails">
        <link:definition>0000057 - Disclosure - Summary of Significant Accounting Policies - Earnings Per Common Share (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SummaryofSignificantAccountingPoliciesScheduleofAntidilutiveSharesExcludedfromComputationofEarningsPerShareDetails" roleURI="http://www.extraspace.com/role/SummaryofSignificantAccountingPoliciesScheduleofAntidilutiveSharesExcludedfromComputationofEarningsPerShareDetails">
        <link:definition>0000058 - Disclosure - Summary of Significant Accounting Policies - Schedule of Antidilutive Shares Excluded from Computation of Earnings Per Share (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SummaryofSignificantAccountingPoliciesScheduleofComputationofEarningsPerCommonShareDetails" roleURI="http://www.extraspace.com/role/SummaryofSignificantAccountingPoliciesScheduleofComputationofEarningsPerCommonShareDetails">
        <link:definition>0000059 - Disclosure - Summary of Significant Accounting Policies - Schedule of Computation of Earnings Per Common Share (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SummaryofSignificantAccountingPoliciesRecentlyIssuedAccountingStandardsDetails" roleURI="http://www.extraspace.com/role/SummaryofSignificantAccountingPoliciesRecentlyIssuedAccountingStandardsDetails">
        <link:definition>0000060 - Disclosure - Summary of Significant Accounting Policies - Recently Issued Accounting Standards (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="RealEstateAssetsScheduleofComponentsofRealEstateAssetsDetails" roleURI="http://www.extraspace.com/role/RealEstateAssetsScheduleofComponentsofRealEstateAssetsDetails">
        <link:definition>0000061 - Disclosure - Real Estate Assets - Schedule of Components of Real Estate Assets (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="RealEstateAssetsAdditionalInformationDetails" roleURI="http://www.extraspace.com/role/RealEstateAssetsAdditionalInformationDetails">
        <link:definition>0000062 - Disclosure - Real Estate Assets - Additional Information (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="OtherAssetsDetails" roleURI="http://www.extraspace.com/role/OtherAssetsDetails">
        <link:definition>0000063 - Disclosure - Other Assets (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="PropertyAcquisitionsandDispositionsAcquisitionsofOperatingStoresDetails" roleURI="http://www.extraspace.com/role/PropertyAcquisitionsandDispositionsAcquisitionsofOperatingStoresDetails">
        <link:definition>0000064 - Disclosure - Property Acquisitions and Dispositions - Acquisitions of Operating Stores (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="PropertyAcquisitionsandDispositionsAdditionalInformationDetails" roleURI="http://www.extraspace.com/role/PropertyAcquisitionsandDispositionsAdditionalInformationDetails">
        <link:definition>0000065 - Disclosure - Property Acquisitions and Dispositions - Additional Information (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="PropertyAcquisitionsandDispositionsReconciliationofPurchasePriceDetails" roleURI="http://www.extraspace.com/role/PropertyAcquisitionsandDispositionsReconciliationofPurchasePriceDetails">
        <link:definition>0000066 - Disclosure - Property Acquisitions and Dispositions - Reconciliation of Purchase Price (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="PropertyAcquisitionsandDispositionsFairValuesofAssetsAcquiredandLiabilitiesAssumedDetails" roleURI="http://www.extraspace.com/role/PropertyAcquisitionsandDispositionsFairValuesofAssetsAcquiredandLiabilitiesAssumedDetails">
        <link:definition>0000067 - Disclosure - Property Acquisitions and Dispositions - Fair Values of Assets Acquired and Liabilities Assumed (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="PropertyAcquisitionsandDispositionsRevenueEarningsofAcquiredCompanyDetails" roleURI="http://www.extraspace.com/role/PropertyAcquisitionsandDispositionsRevenueEarningsofAcquiredCompanyDetails">
        <link:definition>0000068 - Disclosure - Property Acquisitions and Dispositions - Revenue Earnings of Acquired Company (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="InvestmentsinUnconsolidatedRealEstateEntitiesScheduleofInvestmentsinUnconsolidatedRealEstateVenturesDetails" roleURI="http://www.extraspace.com/role/InvestmentsinUnconsolidatedRealEstateEntitiesScheduleofInvestmentsinUnconsolidatedRealEstateVenturesDetails">
        <link:definition>0000069 - Disclosure - Investments in Unconsolidated Real Estate Entities - Schedule of Investments in Unconsolidated Real Estate Ventures (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="InvestmentsinUnconsolidatedRealEstateEntitiesAdditionalInformationDetails" roleURI="http://www.extraspace.com/role/InvestmentsinUnconsolidatedRealEstateEntitiesAdditionalInformationDetails">
        <link:definition>0000070 - Disclosure - Investments in Unconsolidated Real Estate Entities - Additional Information (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="InvestmentsinUnconsolidatedRealEstateEntitiesScheduleofEquityinEarningsofUnconsolidatedRealEstateVenturesDetails" roleURI="http://www.extraspace.com/role/InvestmentsinUnconsolidatedRealEstateEntitiesScheduleofEquityinEarningsofUnconsolidatedRealEstateVenturesDetails">
        <link:definition>0000071 - Disclosure - Investments in Unconsolidated Real Estate Entities - Schedule of Equity in Earnings of Unconsolidated Real Estate Ventures (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="InvestmentsinDebtSecuritiesandNotesReceivableScheduleDetails" roleURI="http://www.extraspace.com/role/InvestmentsinDebtSecuritiesandNotesReceivableScheduleDetails">
        <link:definition>0000072 - Disclosure - Investments in Debt Securities and Notes Receivable - Schedule (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="InvestmentsinDebtSecuritiesandNotesReceivableAdditionalInformationDetails" roleURI="http://www.extraspace.com/role/InvestmentsinDebtSecuritiesandNotesReceivableAdditionalInformationDetails">
        <link:definition>0000073 - Disclosure - Investments in Debt Securities and Notes Receivable - Additional Information (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="DebtAdditionalInformationDetails" roleURI="http://www.extraspace.com/role/DebtAdditionalInformationDetails">
        <link:definition>0000074 - Disclosure - Debt - Additional Information (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="DebtScheduleofComponentsofNotesPayableDetails" roleURI="http://www.extraspace.com/role/DebtScheduleofComponentsofNotesPayableDetails">
        <link:definition>0000075 - Disclosure - Debt - Schedule of Components of Notes Payable (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="DebtScheduleofLinesofCreditDetails" roleURI="http://www.extraspace.com/role/DebtScheduleofLinesofCreditDetails">
        <link:definition>0000076 - Disclosure - Debt - Schedule of Lines of Credit (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="DebtScheduleofMaturitiesofNotesPayableDetails" roleURI="http://www.extraspace.com/role/DebtScheduleofMaturitiesofNotesPayableDetails">
        <link:definition>0000077 - Disclosure - Debt - Schedule of Maturities of Notes Payable (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="DebtScheduleofInformationonLinesofCreditDetails" roleURI="http://www.extraspace.com/role/DebtScheduleofInformationonLinesofCreditDetails">
        <link:definition>0000078 - Disclosure - Debt - Schedule of Information on Lines of Credit (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="DerivativesAdditionalInformationDetails" roleURI="http://www.extraspace.com/role/DerivativesAdditionalInformationDetails">
        <link:definition>0000079 - Disclosure - Derivatives - Additional Information (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="DerivativesScheduleSummarizingTermsofEntitysDerivativeFinancialInstrumentsDetails" roleURI="http://www.extraspace.com/role/DerivativesScheduleSummarizingTermsofEntitysDerivativeFinancialInstrumentsDetails">
        <link:definition>0000080 - Disclosure - Derivatives - Schedule Summarizing Terms of Entity's Derivative Financial Instruments (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="DerivativesScheduleofBalanceSheetClassificationandFairValueofEntitysDerivativeFinancialInstrumentsDetails" roleURI="http://www.extraspace.com/role/DerivativesScheduleofBalanceSheetClassificationandFairValueofEntitysDerivativeFinancialInstrumentsDetails">
        <link:definition>0000081 - Disclosure - Derivatives - Schedule of Balance Sheet Classification and Fair Value of Entity's Derivative Financial Instruments (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="DerivativesScheduleofInformationRelatingtoGainLossRecognizedonSwapAgreementsDetails" roleURI="http://www.extraspace.com/role/DerivativesScheduleofInformationRelatingtoGainLossRecognizedonSwapAgreementsDetails">
        <link:definition>0000082 - Disclosure - Derivatives - Schedule of Information Relating to Gain (Loss) Recognized on Swap Agreements (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ExchangeableSeniorNotesAdditionalInformationDetails" roleURI="http://www.extraspace.com/role/ExchangeableSeniorNotesAdditionalInformationDetails">
        <link:definition>0000083 - Disclosure - Exchangeable Senior Notes - Additional Information (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ExchangeableSeniorNotesInterestCostRecognizedDetails" roleURI="http://www.extraspace.com/role/ExchangeableSeniorNotesInterestCostRecognizedDetails">
        <link:definition>0000084 - Disclosure - Exchangeable Senior Notes - Interest Cost Recognized (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ExchangeableSeniorNotesRepurchaseofDebtDetails" roleURI="http://www.extraspace.com/role/ExchangeableSeniorNotesRepurchaseofDebtDetails">
        <link:definition>0000085 - Disclosure - Exchangeable Senior Notes - Repurchase of Debt (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="StockholdersEquityDetails" roleURI="http://www.extraspace.com/role/StockholdersEquityDetails">
        <link:definition>0000086 - Disclosure - Stockholders' Equity (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="NoncontrollingInterestRepresentedByPreferredOperatingPartnershipUnitsNarrativeDetails" roleURI="http://www.extraspace.com/role/NoncontrollingInterestRepresentedByPreferredOperatingPartnershipUnitsNarrativeDetails">
        <link:definition>0000087 - Disclosure - Noncontrolling Interest Represented By Preferred Operating Partnership Units - Narrative (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="NoncontrollingInterestRepresentedByPreferredOperatingPartnershipUnitsPreferredOPUnitsDetails" roleURI="http://www.extraspace.com/role/NoncontrollingInterestRepresentedByPreferredOperatingPartnershipUnitsPreferredOPUnitsDetails">
        <link:definition>0000088 - Disclosure - Noncontrolling Interest Represented By Preferred Operating Partnership Units - Preferred OP Units (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="NoncontrollingInterestsInOperatingPartnershipandOtherNoncontrollingInterestsAdditionalInformationDetails" roleURI="http://www.extraspace.com/role/NoncontrollingInterestsInOperatingPartnershipandOtherNoncontrollingInterestsAdditionalInformationDetails">
        <link:definition>0000089 - Disclosure - Noncontrolling Interests In Operating Partnership and Other Noncontrolling Interests - Additional Information (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="NoncontrollingInterestsInOperatingPartnershipandOtherNoncontrollingInterestsScheduleofOPUnitActivityDetails" roleURI="http://www.extraspace.com/role/NoncontrollingInterestsInOperatingPartnershipandOtherNoncontrollingInterestsScheduleofOPUnitActivityDetails">
        <link:definition>0000090 - Disclosure - Noncontrolling Interests In Operating Partnership and Other Noncontrolling Interests - Schedule of OP Unit Activity (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="LeasesAdditionalInformationDetails" roleURI="http://www.extraspace.com/role/LeasesAdditionalInformationDetails">
        <link:definition>0000091 - Disclosure - Leases - Additional Information (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="LeasesLeaseCostsDetails" roleURI="http://www.extraspace.com/role/LeasesLeaseCostsDetails">
        <link:definition>0000092 - Disclosure - Leases - Lease Costs (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="LeasesUndiscountedCashFlowsonanAnnualBasisDetails" roleURI="http://www.extraspace.com/role/LeasesUndiscountedCashFlowsonanAnnualBasisDetails">
        <link:definition>0000093 - Disclosure - Leases - Undiscounted Cash Flows on an Annual Basis (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="LeasesUndiscountedCashFlowsonanAnnualBasisDetails_1" roleURI="http://www.extraspace.com/role/LeasesUndiscountedCashFlowsonanAnnualBasisDetails_1">
        <link:definition>0000093 - Disclosure - Leases - Undiscounted Cash Flows on an Annual Basis (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="StockBasedCompensationAdditionalInformationDetails" roleURI="http://www.extraspace.com/role/StockBasedCompensationAdditionalInformationDetails">
        <link:definition>0000094 - Disclosure - Stock-Based Compensation - Additional Information (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="StockBasedCompensationSummaryofStockOptionActivityDetails" roleURI="http://www.extraspace.com/role/StockBasedCompensationSummaryofStockOptionActivityDetails">
        <link:definition>0000095 - Disclosure - Stock-Based Compensation - Summary of Stock Option Activity (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="StockBasedCompensationSummaryStockOptionsOutstandingandExercisableDetails" roleURI="http://www.extraspace.com/role/StockBasedCompensationSummaryStockOptionsOutstandingandExercisableDetails">
        <link:definition>0000096 - Disclosure - Stock-Based Compensation - Summary Stock Options Outstanding and Exercisable (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="StockBasedCompensationSummaryofEmployeeandDirectorShareGrantActivityDetails" roleURI="http://www.extraspace.com/role/StockBasedCompensationSummaryofEmployeeandDirectorShareGrantActivityDetails">
        <link:definition>0000097 - Disclosure - Stock-Based Compensation - Summary of Employee and Director Share Grant Activity (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="StockBasedCompensationSummaryofPSUActivityDetails" roleURI="http://www.extraspace.com/role/StockBasedCompensationSummaryofPSUActivityDetails">
        <link:definition>0000098 - Disclosure - Stock-Based Compensation - Summary of PSU Activity (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="StockBasedCompensationAssumptionsUsedtoCalculateFairValueofAwardsDetails" roleURI="http://www.extraspace.com/role/StockBasedCompensationAssumptionsUsedtoCalculateFairValueofAwardsDetails">
        <link:definition>0000099 - Disclosure - Stock-Based Compensation - Assumptions Used to Calculate Fair Value of Awards (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="EmployeeBenefitPlanDetails" roleURI="http://www.extraspace.com/role/EmployeeBenefitPlanDetails">
        <link:definition>0000100 - Disclosure - Employee Benefit Plan (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="IncomeTaxesIncomeTaxProvisionDetails" roleURI="http://www.extraspace.com/role/IncomeTaxesIncomeTaxProvisionDetails">
        <link:definition>0000101 - Disclosure - Income Taxes - Income Tax Provision (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="IncomeTaxesIncomeTaxProvisionDetails_1" roleURI="http://www.extraspace.com/role/IncomeTaxesIncomeTaxProvisionDetails_1">
        <link:definition>0000101 - Disclosure - Income Taxes - Income Tax Provision (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="IncomeTaxesReconciliationofStatutoryIncomeTaxProvisionDetails" roleURI="http://www.extraspace.com/role/IncomeTaxesReconciliationofStatutoryIncomeTaxProvisionDetails">
        <link:definition>0000102 - Disclosure - Income Taxes - Reconciliation of Statutory Income Tax Provision (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="IncomeTaxesSourcesofTemporaryDifferencesDetails" roleURI="http://www.extraspace.com/role/IncomeTaxesSourcesofTemporaryDifferencesDetails">
        <link:definition>0000103 - Disclosure - Income Taxes - Sources of Temporary Differences (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SegmentInformationAdditionalInformationDetails" roleURI="http://www.extraspace.com/role/SegmentInformationAdditionalInformationDetails">
        <link:definition>0000104 - Disclosure - Segment Information - Additional Information (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SegmentInformationScheduleofFinancialInformationofBusinessSegmentsDetails" roleURI="http://www.extraspace.com/role/SegmentInformationScheduleofFinancialInformationofBusinessSegmentsDetails">
        <link:definition>0000105 - Disclosure - Segment Information - Schedule of Financial Information of Business Segments (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CommitmentsandContingenciesDetails" roleURI="http://www.extraspace.com/role/CommitmentsandContingenciesDetails">
        <link:definition>0000106 - Disclosure - Commitments and Contingencies (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ScheduleIIIRealEstateandAccumulatedDepreciationPropertySummaryDetails" roleURI="http://www.extraspace.com/role/ScheduleIIIRealEstateandAccumulatedDepreciationPropertySummaryDetails">
        <link:definition>0000107 - Disclosure - Schedule III - Real Estate and Accumulated Depreciation - Property Summary (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ScheduleIIIRealEstateandAccumulatedDepreciationActivityinRealEstateFacilitiesDetails" roleURI="http://www.extraspace.com/role/ScheduleIIIRealEstateandAccumulatedDepreciationActivityinRealEstateFacilitiesDetails">
        <link:definition>0000108 - Disclosure - Schedule III - Real Estate and Accumulated Depreciation - Activity in Real Estate Facilities (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
    </xs:appinfo>
  </xs:annotation>
  <xs:element id="exr_TenantReinsuranceMember" abstract="true" name="TenantReinsuranceMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="exr_FinancingReceivableStoresHeldAsCollateral" abstract="false" name="FinancingReceivableStoresHeldAsCollateral" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="exr_MinorityInterestInNetIncomeLossOperatingPartnershipsAndOther" abstract="false" name="MinorityInterestInNetIncomeLossOperatingPartnershipsAndOther" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="exr_PropertyAcquisitionsandDispositionsLineItems" abstract="true" name="PropertyAcquisitionsandDispositionsLineItems" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="exr_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsWeightedAverageForfeitureRate" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsWeightedAverageForfeitureRate" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="exr_InvestmentsInRealEstateJointVenturesNetOfDistributionsReceived" abstract="false" name="InvestmentsInRealEstateJointVenturesNetOfDistributionsReceived" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="exr_SeriesBUnitsMember" abstract="true" name="SeriesBUnitsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="exr_BargoldMember" abstract="true" name="BargoldMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="exr_SeriesCUnitsMember" abstract="true" name="SeriesCUnitsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="exr_OperatingFacilitiesMember" abstract="true" name="OperatingFacilitiesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="exr_OtherMinorityOwnedPropertiesMember" abstract="true" name="OtherMinorityOwnedPropertiesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="exr_DebtInstrumentRepurchaseOfEquityComponent" abstract="false" name="DebtInstrumentRepurchaseOfEquityComponent" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="exr_EquityMethodInvestmentsGainLossOnSaleOfRealEstateAssets" abstract="false" name="EquityMethodInvestmentsGainLossOnSaleOfRealEstateAssets" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="exr_ScheduleOfRealEstateAssetsTableTextBlock" abstract="false" name="ScheduleOfRealEstateAssetsTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="exr_FinancingReceivableExtensionOption" abstract="false" name="FinancingReceivableExtensionOption" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="exr_SelfStorageOperationsMember" abstract="true" name="SelfStorageOperationsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="exr_LineOfCreditFacilityExtensionTerm" abstract="false" name="LineOfCreditFacilityExtensionTerm" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="exr_NetIncomeLossAttributableToNoncontrollingInterestInOperatingPartnership" abstract="false" name="NetIncomeLossAttributableToNoncontrollingInterestInOperatingPartnership" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="exr_IncrementalCommonSharesAttributableToExchangeablePreferredOperatingPartnershipUnits" abstract="false" name="IncrementalCommonSharesAttributableToExchangeablePreferredOperatingPartnershipUnits" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="exr_SmartStopSelfStorageREITIncSeriesAConvertiblePreferredStockMember" abstract="true" name="SmartStopSelfStorageREITIncSeriesAConvertiblePreferredStockMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="exr_NumberOfRealEstatePropertiesOwnedAndOrManaged" abstract="false" name="NumberOfRealEstatePropertiesOwnedAndOrManaged" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="exr_ScheduleofInterestandAmortizationDiscountCostTableTextBlock" abstract="false" name="ScheduleofInterestandAmortizationDiscountCostTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="exr_NoncontrollingInterestConversionOfPreferredOperatingPartnershipUnitsBeforeMaturityOfLoanMaximum" abstract="false" name="NoncontrollingInterestConversionOfPreferredOperatingPartnershipUnitsBeforeMaturityOfLoanMaximum" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="exr_NoncontrollingInterestDecreaseFromRedemptionsOfOperatingPartnershipUnits" abstract="false" name="NoncontrollingInterestDecreaseFromRedemptionsOfOperatingPartnershipUnits" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="exr_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsWeightedAverageRemainingContractualTermAbstract" abstract="true" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsWeightedAverageRemainingContractualTermAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="exr_LesseeOperatingAndFinanceLeaseLiabilityUndiscountedExcessAmount" abstract="false" name="LesseeOperatingAndFinanceLeaseLiabilityUndiscountedExcessAmount" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="exr_RedemptionOfOperatingPartnershipUnitsForCommonStockIncludingAdditionalPaidInCapital" abstract="false" name="RedemptionOfOperatingPartnershipUnitsForCommonStockIncludingAdditionalPaidInCapital" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="exr_OperatingPartnershipUnitsRedemptionAmount" abstract="false" name="OperatingPartnershipUnitsRedemptionAmount" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="exr_DueFromRelatedPartiesFairValueDisclosure" abstract="false" name="DueFromRelatedPartiesFairValueDisclosure" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="exr_NoncontrollingInterestInPreferredOperatingPartnershipUnitsAnnualRateOfReturn" abstract="false" name="NoncontrollingInterestInPreferredOperatingPartnershipUnitsAnnualRateOfReturn" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="exr_NoteReceivableReductionOfNoncontrollingInterests" abstract="false" name="NoteReceivableReductionOfNoncontrollingInterests" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="exr_CommitmentToAcquireRetailSpaceWithJointVenturePartnersMember" abstract="true" name="CommitmentToAcquireRetailSpaceWithJointVenturePartnersMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="exr_SharebasedCompensationByShareBasedPaymentAwardMinimumSharesIssuedPerPerformanceStockUnit" abstract="false" name="SharebasedCompensationByShareBasedPaymentAwardMinimumSharesIssuedPerPerformanceStockUnit" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="exr_DebtSecuritiesHeldToMaturityNumberOfSharesExchanged" abstract="false" name="DebtSecuritiesHeldToMaturityNumberOfSharesExchanged" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="exr_IncomeLossAndDividendIncomeFromUnconsolidatedRealEstateEntities" abstract="false" name="IncomeLossAndDividendIncomeFromUnconsolidatedRealEstateEntities" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="exr_EquityMethodInvestmentExcessPurchasePriceAmortizationPeriod" abstract="false" name="EquityMethodInvestmentExcessPurchasePriceAmortizationPeriod" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="exr_NoncontrollingInterestOperatingPartnershipUnitsRedeemedForCash" abstract="false" name="NoncontrollingInterestOperatingPartnershipUnitsRedeemedForCash" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="exr_SharebasedCompensationByShareBasedPaymentAwardMaximumSharesIssuedPerPerformanceStockUnit" abstract="false" name="SharebasedCompensationByShareBasedPaymentAwardMaximumSharesIssuedPerPerformanceStockUnit" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="exr_LesseeLeaseNumberOfLeases" abstract="false" name="LesseeLeaseNumberOfLeases" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="exr_RedemptionPriceOfDebtAsPercentageOfPrincipalAmountAtRequestOfDebtHolders" abstract="false" name="RedemptionPriceOfDebtAsPercentageOfPrincipalAmountAtRequestOfDebtHolders" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="exr_LesseeOperatingAndFinanceLeaseLiabilityPaymentsDueYearFour" abstract="false" name="LesseeOperatingAndFinanceLeaseLiabilityPaymentsDueYearFour" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="exr_Tranche3TermLoanFacilityMember" abstract="true" name="Tranche3TermLoanFacilityMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="exr_AtTheMarketEquityDistributionAgreementMember" abstract="true" name="AtTheMarketEquityDistributionAgreementMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="exr_ScheduleOfEquityMethodInvestmentsIncomeLossTableTextBlock" abstract="false" name="ScheduleOfEquityMethodInvestmentsIncomeLossTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="exr_CommonOPUnitsMember" abstract="true" name="CommonOPUnitsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="exr_PreferredStockInvestmentDividendRate" abstract="false" name="PreferredStockInvestmentDividendRate" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="exr_TenantReinsurancePolicyMinimumAmountOfInsuranceCoverage" abstract="false" name="TenantReinsurancePolicyMinimumAmountOfInsuranceCoverage" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="exr_OccupancyRate" abstract="false" name="OccupancyRate" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:pureItemType"/>
  <xs:element id="exr_CommonOperatingPartnershipMember" abstract="true" name="CommonOperatingPartnershipMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="exr_NumberOfStoresSold" abstract="false" name="NumberOfStoresSold" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="exr_DebtSecuritiesHeldToMaturityNumberOfShares" abstract="false" name="DebtSecuritiesHeldToMaturityNumberOfShares" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="exr_LesseeOperatingAndFinanceLeaseLiabilityPaymentsDueYearThree" abstract="false" name="LesseeOperatingAndFinanceLeaseLiabilityPaymentsDueYearThree" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="exr_LesseeLeaseRenewalTerm" abstract="false" name="LesseeLeaseRenewalTerm" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="exr_UnconsolidatedJointVenturesExcessProfitParticipationPercentage" abstract="false" name="UnconsolidatedJointVenturesExcessProfitParticipationPercentage" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="exr_SelfStorageFacilityMember" abstract="true" name="SelfStorageFacilityMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="exr_NonControllingInterestOtherMember" abstract="true" name="NonControllingInterestOtherMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="exr_RegionalOfficeLeaseMember" abstract="true" name="RegionalOfficeLeaseMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="exr_JCAPSeriesDPreferredStockMember" abstract="true" name="JCAPSeriesDPreferredStockMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="exr_DebtInstrumentPrincipalAmountOfNoteExchanged" abstract="false" name="DebtInstrumentPrincipalAmountOfNoteExchanged" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="exr_AggregateOfferingPriceOfCommonShare" abstract="false" name="AggregateOfferingPriceOfCommonShare" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="exr_NotesReceivableStatedInterestRate" abstract="false" name="NotesReceivableStatedInterestRate" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="exr_OtherCorporateAssetsMember" abstract="true" name="OtherCorporateAssetsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="exr_FinancingReceivableStatedInterestRate" abstract="false" name="FinancingReceivableStatedInterestRate" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="exr_LesseeOperatingAndFinanceLeaseLiabilityPaymentsYearOne" abstract="false" name="LesseeOperatingAndFinanceLeaseLiabilityPaymentsYearOne" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="exr_NoncashOrPartNoncashAcquisitionNetRealEstateAssetsAcquired" abstract="false" name="NoncashOrPartNoncashAcquisitionNetRealEstateAssetsAcquired" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="exr_AccruedConstructionCostsAndCapitalExpendituresAbstract" abstract="true" name="AccruedConstructionCostsAndCapitalExpendituresAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="exr_RevenueAndExpenseRecognitionPolicyPolicyTextBlock" abstract="false" name="RevenueAndExpenseRecognitionPolicyPolicyTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="exr_ESSBGOAtlantaGAJVLLCMember" abstract="true" name="ESSBGOAtlantaGAJVLLCMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="exr_ConvertibleDebtPolicyPolicyTextBlock" abstract="false" name="ConvertibleDebtPolicyPolicyTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="exr_StockIssuedDuringPeriodRepurchaseOfEquityPortionOfExchangeableSeniorNotesValue" abstract="false" name="StockIssuedDuringPeriodRepurchaseOfEquityPortionOfExchangeableSeniorNotesValue" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="exr_RealEstateAdditionsPortionNotYetPaid" abstract="false" name="RealEstateAdditionsPortionNotYetPaid" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="exr_SecuredLoanWithBankMember" abstract="true" name="SecuredLoanWithBankMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="exr_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsWeightedAggregateIntrinsicValueAbstract" abstract="true" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsWeightedAggregateIntrinsicValueAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="exr_PreferredOperatingPartnershipUnitsAmountToBeSettledInCashMinimum" abstract="false" name="PreferredOperatingPartnershipUnitsAmountToBeSettledInCashMinimum" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="exr_NoncontrollingInterestOperatingPartnershipUnitsIssuedWithAcquisitionValue" abstract="false" name="NoncontrollingInterestOperatingPartnershipUnitsIssuedWithAcquisitionValue" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="exr_IncomeTaxReconciliationTaxCreditsAdjustments" abstract="false" name="IncomeTaxReconciliationTaxCreditsAdjustments" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="exr_DebtIssuanceCostAmortizationPeriod" abstract="false" name="DebtIssuanceCostAmortizationPeriod" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="exr_ManagementServicesAgreementsMSAMember" abstract="true" name="ManagementServicesAgreementsMSAMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="exr_SeniorNotesDue2029Member" abstract="true" name="SeniorNotesDue2029Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="exr_EquityMethodInvestmentsNumberOfStoresAcquired" abstract="false" name="EquityMethodInvestmentsNumberOfStoresAcquired" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="exr_BristolInvestmentsLLCMember" abstract="true" name="BristolInvestmentsLLCMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="exr_CommitmentToAcquireStoresMember" abstract="true" name="CommitmentToAcquireStoresMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="exr_Tranche5TermLoanFacilityMember" abstract="true" name="Tranche5TermLoanFacilityMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="exr_ScheduleOfDebtRepurchaseTableTextBlock" abstract="false" name="ScheduleOfDebtRepurchaseTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="exr_CommonStockAverageClosingMarketPrice" abstract="false" name="CommonStockAverageClosingMarketPrice" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:perShareItemType"/>
  <xs:element id="exr_StoragePortfolioIVJVLLCMember" abstract="true" name="StoragePortfolioIVJVLLCMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="exr_AdjustedSecuredOvernightFinancingRateMember" abstract="true" name="AdjustedSecuredOvernightFinancingRateMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="exr_NumberOfLeasedPropertiesThatCannotBeClassifiedAsGroundOrBuildingLeases" abstract="false" name="NumberOfLeasedPropertiesThatCannotBeClassifiedAsGroundOrBuildingLeases" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="exr_SECSchedule1228RealEstateCompaniesInvestmentinRealEstateAcquisitions" abstract="false" name="SECSchedule1228RealEstateCompaniesInvestmentinRealEstateAcquisitions" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="exr_PercentageOfAllDistributionsToStockholdersWhichClassifiesAsReturnOfCapital" abstract="false" name="PercentageOfAllDistributionsToStockholdersWhichClassifiesAsReturnOfCapital" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="exr_MaximumPercentageOfAnnualSalaryWhichPlanParticipantsMayContributeToThePlan" abstract="false" name="MaximumPercentageOfAnnualSalaryWhichPlanParticipantsMayContributeToThePlan" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="exr_PREXRSelfStorageLLCMember" abstract="true" name="PREXRSelfStorageLLCMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="exr_PropertyAcquisitionsAndDispositionsLineItems" abstract="true" name="PropertyAcquisitionsAndDispositionsLineItems" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="exr_DeferredTaxAssetsTaxDeferredCaptiveInsuranceSubsidiary" abstract="false" name="DeferredTaxAssetsTaxDeferredCaptiveInsuranceSubsidiary" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="exr_NexPointPreferredStockMember" abstract="true" name="NexPointPreferredStockMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="exr_InvestmentInUnconsolidatedRealEstateEntitiesNetOfDistributions" abstract="false" name="InvestmentInUnconsolidatedRealEstateEntitiesNetOfDistributions" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="exr_AuditInformationAbstract" abstract="true" name="AuditInformationAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="exr_IncrementalCommonSharesAttributableToConversionOfOperatingPartnershipUnits" abstract="false" name="IncrementalCommonSharesAttributableToConversionOfOperatingPartnershipUnits" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="exr_NoncontrollingInterestOperatingPartnershipUnitsRedeemedForCommonStock" abstract="false" name="NoncontrollingInterestOperatingPartnershipUnitsRedeemedForCommonStock" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="exr_EquityMethodInvestmentNumberOfProperties" abstract="false" name="EquityMethodInvestmentNumberOfProperties" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="exr_PropertyAcquisitionsAndDispositionsTable" abstract="true" name="PropertyAcquisitionsAndDispositionsTable" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType"/>
  <xs:element id="exr_InvestmentInUnconsolidatedRealEstateEntities" abstract="false" name="InvestmentInUnconsolidatedRealEstateEntities" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="exr_PercentageOfUnderwritingFee" abstract="false" name="PercentageOfUnderwritingFee" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="exr_DerivativeWithContingentFeaturesFairValueOfAssetLiabilityNet" abstract="false" name="DerivativeWithContingentFeaturesFairValueOfAssetLiabilityNet" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="exr_AverageClosingMarketPriceMeasurementPeriod" abstract="false" name="AverageClosingMarketPriceMeasurementPeriod" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="exr_PreferredOperatingPartnershipMember" abstract="true" name="PreferredOperatingPartnershipMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="exr_NoncontrollingInterestRepaymentOfReceivableWithOperatingPartnershipUnitsPledgedAsCollateral" abstract="false" name="NoncontrollingInterestRepaymentOfReceivableWithOperatingPartnershipUnitsPledgedAsCollateral" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="exr_NetOperatingRealEstateAssets" abstract="false" name="NetOperatingRealEstateAssets" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="exr_NoncontrollingInterestRepaymentOfReceivableForPreferredOperatingUnitsPledgedAsCollateralOnLoan" abstract="false" name="NoncontrollingInterestRepaymentOfReceivableForPreferredOperatingUnitsPledgedAsCollateralOnLoan" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="exr_DebtInstrumentFixedRateDebtToTotalDebtRate" abstract="false" name="DebtInstrumentFixedRateDebtToTotalDebtRate" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="exr_NoncontrollingInterestInPreferredOperatingPartnershipUnitsFixedLiquidationValue" abstract="false" name="NoncontrollingInterestInPreferredOperatingPartnershipUnitsFixedLiquidationValue" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="exr_NoncontrollingInterestOperatingPartnershipUnitsRedeemedCashPaid" abstract="false" name="NoncontrollingInterestOperatingPartnershipUnitsRedeemedCashPaid" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="exr_NoncontrollingInterestInPreferredOperatingPartnershipUnitsFixedPriorityReturnRedemptionValue" abstract="false" name="NoncontrollingInterestInPreferredOperatingPartnershipUnitsFixedPriorityReturnRedemptionValue" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="exr_UnconsolidatedJointVentureMember" abstract="true" name="UnconsolidatedJointVentureMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="exr_NoncontrollingInterestIncreaseFromTransactionsWithOtherNoncontrollingInterestsNet" abstract="false" name="NoncontrollingInterestIncreaseFromTransactionsWithOtherNoncontrollingInterestsNet" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="exr_NumberOfOperatingStoresOwned" abstract="false" name="NumberOfOperatingStoresOwned" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="exr_PaymentsToAcquireAssetsGross" abstract="false" name="PaymentsToAcquireAssetsGross" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="exr_RiskManagementActivitiesPolicyPolicyTextBlock" abstract="false" name="RiskManagementActivitiesPolicyPolicyTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="exr_ExercisePriceRangeTwoMember" abstract="true" name="ExercisePriceRangeTwoMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="exr_DebtSecuritiesHeldToMaturityDividendRate" abstract="false" name="DebtSecuritiesHeldToMaturityDividendRate" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="exr_ShareholdersEquityUnitsConversionRatio" abstract="false" name="ShareholdersEquityUnitsConversionRatio" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:pureItemType"/>
  <xs:element id="exr_SECSchedule1228RealEstateCompaniesInvestmentInRealEstateCostOfInvestmentInRealEstateOtherAdditionsDeductions" abstract="false" name="SECSchedule1228RealEstateCompaniesInvestmentInRealEstateCostOfInvestmentInRealEstateOtherAdditionsDeductions" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="exr_GFNJVLLCMember" abstract="true" name="GFNJVLLCMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="exr_NumberOfPropertiesRelatedToGroundLeasesAssumedByTheEntityAtRatesLowerThanCurrentMarketRates" abstract="false" name="NumberOfPropertiesRelatedToGroundLeasesAssumedByTheEntityAtRatesLowerThanCurrentMarketRates" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="exr_IncomeTaxCreditsAndAdjustmentsState" abstract="false" name="IncomeTaxCreditsAndAdjustmentsState" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="exr_Tranche1TermLoanFacilityMember" abstract="true" name="Tranche1TermLoanFacilityMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="exr_AlanJathooJVLLCMember" abstract="true" name="AlanJathooJVLLCMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="exr_CashDistributionsInUnconsolidatedRealEstateVentures" abstract="false" name="CashDistributionsInUnconsolidatedRealEstateVentures" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="exr_StoragePortfolioILLCMember" abstract="true" name="StoragePortfolioILLCMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="exr_TenantReinsurancePolicyAverageAmountOfInsuranceCoverage" abstract="false" name="TenantReinsurancePolicyAverageAmountOfInsuranceCoverage" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="exr_EffectiveIncomeTaxRateReconciliationTaxCreditsAdjustments" abstract="false" name="EffectiveIncomeTaxRateReconciliationTaxCreditsAdjustments" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="exr_LineOfCreditFacilityNumberOfExtensionsAvailable" abstract="false" name="LineOfCreditFacilityNumberOfExtensionsAvailable" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="exr_IncomeTaxCreditsAndAdjustmentsFederal" abstract="false" name="IncomeTaxCreditsAndAdjustmentsFederal" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="exr_CommitmentToAcquireRetailSpaceExpectedToCloseIn2024Member" abstract="true" name="CommitmentToAcquireRetailSpaceExpectedToCloseIn2024Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="exr_RedemptionOfOperatingPartnershipUnitsHeldByNoncontrollingInterestIncludingAdditionalPaidInCapital" abstract="false" name="RedemptionOfOperatingPartnershipUnitsHeldByNoncontrollingInterestIncludingAdditionalPaidInCapital" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="exr_EconomicRiskNumberOfComponents" abstract="false" name="EconomicRiskNumberOfComponents" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="exr_AmortizationOfDebtDiscountPremiumEquityComponentOfSeniorNotes" abstract="false" name="AmortizationOfDebtDiscountPremiumEquityComponentOfSeniorNotes" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="exr_ChangesInEquityAndComprehensiveIncomeTable" abstract="true" name="ChangesInEquityAndComprehensiveIncomeTable" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType"/>
  <xs:element id="exr_SecuredOvernightFinancingRateSOFRMember" abstract="true" name="SecuredOvernightFinancingRateSOFRMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="exr_RedemptionOfOperatingPartnershipUnitsHeldByNoncontrollingInterestsForCommonStockAbstract" abstract="true" name="RedemptionOfOperatingPartnershipUnitsHeldByNoncontrollingInterestsForCommonStockAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="exr_JCAPSeriesBPreferredStockMember" abstract="true" name="JCAPSeriesBPreferredStockMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="exr_IssuanceOfCommonStockForRepaymentOfSeniorDebtShares" abstract="false" name="IssuanceOfCommonStockForRepaymentOfSeniorDebtShares" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="exr_ExchangeableSeniorNotesMember" abstract="true" name="ExchangeableSeniorNotesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="exr_TenantReinsuranceExpense" abstract="false" name="TenantReinsuranceExpense" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="exr_NoncontrollingInterestInPreferredOperatingPartnershipUnitsFixedLiquidationValueShares" abstract="false" name="NoncontrollingInterestInPreferredOperatingPartnershipUnitsFixedLiquidationValueShares" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="exr_LesseeOperatingAndFinanceLeaseLiabilityPaymentsDue" abstract="false" name="LesseeOperatingAndFinanceLeaseLiabilityPaymentsDue" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="exr_RealEstatePropertyAcquisitionIncreaseAssetsAcquiredAndLiabilitiesAssumedNet" abstract="false" name="RealEstatePropertyAcquisitionIncreaseAssetsAcquiredAndLiabilitiesAssumedNet" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="exr_NoncashInterestIncome" abstract="false" name="NoncashInterestIncome" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="exr_PreferredOPUnitsMember" abstract="true" name="PreferredOPUnitsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="exr_SeniorNotesDue2031Member" abstract="true" name="SeniorNotesDue2031Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="exr_NoncontrollingInterestInPreferredOperatingPartnershipUnitsFixedPriorityReturnStatedRateOfReturn" abstract="false" name="NoncontrollingInterestInPreferredOperatingPartnershipUnitsFixedPriorityReturnStatedRateOfReturn" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="exr_HoldersOfSeriesAPreferredOperatingPartnershipUnitsMember" abstract="true" name="HoldersOfSeriesAPreferredOperatingPartnershipUnitsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="exr_RedemptionOfPreferredOperatingPartnershipUnitsForCommonStockAbstract" abstract="true" name="RedemptionOfPreferredOperatingPartnershipUnitsForCommonStockAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="exr_SeriesDUnitsMember" abstract="true" name="SeriesDUnitsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="exr_LeaseArrangementDomain" abstract="true" name="LeaseArrangementDomain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="exr_EquityMethodInvestmentsNumberOfStoresSold" abstract="false" name="EquityMethodInvestmentsNumberOfStoresSold" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="exr_ChangesInEquityAndComprehensiveIncomeLineItemsLineItems" abstract="true" name="ChangesInEquityAndComprehensiveIncomeLineItemsLineItems" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="exr_IssuanceOfEquityForAcquisitionOfRealEstateAssets" abstract="false" name="IssuanceOfEquityForAcquisitionOfRealEstateAssets" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="exr_NumberOfClaimsMadeUnderTenantReinsuranceProgram" abstract="false" name="NumberOfClaimsMadeUnderTenantReinsuranceProgram" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="exr_LesseeLeaseTermOfContract" abstract="false" name="LesseeLeaseTermOfContract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="exr_UnsecuredLoanWithBankMember" abstract="true" name="UnsecuredLoanWithBankMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="exr_NumberOfStorageUnits" abstract="false" name="NumberOfStorageUnits" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="exr_RevenueFromContractWithCustomerContractTerm" abstract="false" name="RevenueFromContractWithCustomerContractTerm" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="exr_MaximumPercentageOfCompensationByPlanParticipantsSubjectToHundredPercentMatchingOfCompany" abstract="false" name="MaximumPercentageOfCompensationByPlanParticipantsSubjectToHundredPercentMatchingOfCompany" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="exr_NumberOfParcelsOfLandAcquired" abstract="false" name="NumberOfParcelsOfLandAcquired" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="exr_PartnersCapitalAccountAdditionalUnitsRedeemed" abstract="false" name="PartnersCapitalAccountAdditionalUnitsRedeemed" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="exr_StoragePortfolioIIJVLLCMember" abstract="true" name="StoragePortfolioIIJVLLCMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="exr_IntangibleTenantRelationshipsAndLeaseRightsMember" abstract="true" name="IntangibleTenantRelationshipsAndLeaseRightsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="exr_InvestmentsInDebtSecuritiesAndFinancingReceivablesTextBlock" abstract="false" name="InvestmentsInDebtSecuritiesAndFinancingReceivablesTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="exr_MaximumPercentageOfMatchingContributionMadeByCompanyForNextTwoPercentOfParticipantsCompensation" abstract="false" name="MaximumPercentageOfMatchingContributionMadeByCompanyForNextTwoPercentOfParticipantsCompensation" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="exr_CorporateOfficeAndCallCenterLeaseMember" abstract="true" name="CorporateOfficeAndCallCenterLeaseMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="exr_RealEstatePropertyAssetAcquisitionConsiderationTransferredEquityInterestIssuedOrIssuable" abstract="false" name="RealEstatePropertyAssetAcquisitionConsiderationTransferredEquityInterestIssuedOrIssuable" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="exr_DebtSecuritiesHeldToMaturityNumberOfSharesExchangedValue" abstract="false" name="DebtSecuritiesHeldToMaturityNumberOfSharesExchangedValue" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="exr_EquityMethodInvestmentNumberOfStoreAcquired" abstract="false" name="EquityMethodInvestmentNumberOfStoreAcquired" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="exr_SECSchedule1228RealEstateCompaniesInvestmentinRealEstateTransfersInOut" abstract="false" name="SECSchedule1228RealEstateCompaniesInvestmentinRealEstateTransfersInOut" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="exr_WrittenNoticeRequiredForRedemptionPeriod" abstract="false" name="WrittenNoticeRequiredForRedemptionPeriod" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="exr_TenantReinsurancePolicyMaximumAmountOfInsuranceCoverage" abstract="false" name="TenantReinsurancePolicyMaximumAmountOfInsuranceCoverage" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="exr_IncrementalCommonSharesAttributableToShareBasedPaymentArrangementsStockOptions" abstract="false" name="IncrementalCommonSharesAttributableToShareBasedPaymentArrangementsStockOptions" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="exr_ScheduleofAssetAcquisitionsTableTextBlock" abstract="false" name="ScheduleofAssetAcquisitionsTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="exr_IssuanceOfCommonStockForRepaymentOfSeniorDebtValue" abstract="false" name="IssuanceOfCommonStockForRepaymentOfSeniorDebtValue" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="exr_DebtSecuritiesHeldToMaturityTerm" abstract="false" name="DebtSecuritiesHeldToMaturityTerm" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="exr_CommitmentToAcquireRetailSpaceExpectedToCloseNextFiscalYearMember" abstract="true" name="CommitmentToAcquireRetailSpaceExpectedToCloseNextFiscalYearMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="exr_RealEstateInvestmentPropertyIntangibleTenantRelationships" abstract="false" name="RealEstateInvestmentPropertyIntangibleTenantRelationships" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="exr_ExercisePriceRangeOneMember" abstract="true" name="ExercisePriceRangeOneMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="exr_PreferredStockInvestmentPeriodAfterWhichDividendRateIsSubjectToIncrease" abstract="false" name="PreferredStockInvestmentPeriodAfterWhichDividendRateIsSubjectToIncrease" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="exr_ESSNYFLJVLLCMember" abstract="true" name="ESSNYFLJVLLCMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="exr_FirstCreditLineMember" abstract="true" name="FirstCreditLineMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="exr_PaymentsForInvestmentInUnconsolidatedRealEstateEntities" abstract="false" name="PaymentsForInvestmentInUnconsolidatedRealEstateEntities" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="exr_FinancingReceivableExtensionTerm" abstract="false" name="FinancingReceivableExtensionTerm" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="exr_StoragePortfolioVJVLLCMember" abstract="true" name="StoragePortfolioVJVLLCMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="exr_JCAPSeriesAPreferredStockMember" abstract="true" name="JCAPSeriesAPreferredStockMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="exr_OperatingLeaseRightOfUseAssetsAndLeaseLiabilitesAbstract" abstract="true" name="OperatingLeaseRightOfUseAssetsAndLeaseLiabilitesAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="exr_FinancingReceivableTerm" abstract="false" name="FinancingReceivableTerm" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="exr_DistrictOfficeLeaseMember" abstract="true" name="DistrictOfficeLeaseMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="exr_NumberOfConsolidatedVariableInterestEntities" abstract="false" name="NumberOfConsolidatedVariableInterestEntities" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="exr_ExtraSpaceNorthernPropertiesSixLLCMember" abstract="true" name="ExtraSpaceNorthernPropertiesSixLLCMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="exr_NoncashOrPartNoncashAcquisitionNetRealEstateAssetsAcquiredAbstract" abstract="true" name="NoncashOrPartNoncashAcquisitionNetRealEstateAssetsAcquiredAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="exr_ESSNYFLJVLPMember" abstract="true" name="ESSNYFLJVLPMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="exr_LesseeOperatingAndFinanceLeaseLiabilityPaymentsDueYearFive" abstract="false" name="LesseeOperatingAndFinanceLeaseLiabilityPaymentsDueYearFive" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="exr_StoreLeaseMember" abstract="true" name="StoreLeaseMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="exr_ScheduleOfInvestmentsInDebtSecuritiesAndFinancingReceivablesTableTextBlock" abstract="false" name="ScheduleOfInvestmentsInDebtSecuritiesAndFinancingReceivablesTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="exr_SeriesAUnitsMember" abstract="true" name="SeriesAUnitsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="exr_RepaymentsOfDebtInstruments" abstract="false" name="RepaymentsOfDebtInstruments" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="exr_AverageSharePricePerShare" abstract="false" name="AverageSharePricePerShare" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:perShareItemType"/>
  <xs:element id="exr_EquipmentAndFixturesMember" abstract="true" name="EquipmentAndFixturesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="exr_SECSchedule1228RealEstateCompaniesInvestmentinRealEstateandAccumulatedDepreciationNumberofStores" abstract="false" name="SECSchedule1228RealEstateCompaniesInvestmentinRealEstateandAccumulatedDepreciationNumberofStores" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="exr_StoragePortfolioIIIJVLLCMember" abstract="true" name="StoragePortfolioIIIJVLLCMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="exr_PercentageOfMatchingContributionMadeByCompanyForFirstThreePercentOfParticipantsCompensation" abstract="false" name="PercentageOfMatchingContributionMadeByCompanyForFirstThreePercentOfParticipantsCompensation" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="exr_StockIssuedDuringPeriodSharesRedemptionOfNoncontrollingInterest" abstract="false" name="StockIssuedDuringPeriodSharesRedemptionOfNoncontrollingInterest" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="exr_RealEstateInvestmentPropertyIntangibleLeaseRights" abstract="false" name="RealEstateInvestmentPropertyIntangibleLeaseRights" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="exr_SecondCreditLineMember" abstract="true" name="SecondCreditLineMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="exr_LinesOfCreditMember" abstract="true" name="LinesOfCreditMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="exr_CashPaidForOperatingActivitiesLessee" abstract="false" name="CashPaidForOperatingActivitiesLessee" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="exr_Tranche4TermLoanFacilityMember" abstract="true" name="Tranche4TermLoanFacilityMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="exr_NumberOfRealEstatePropertiesAcquired" abstract="false" name="NumberOfRealEstatePropertiesAcquired" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="exr_RedemptionOfUnitsForCashMember" abstract="true" name="RedemptionOfUnitsForCashMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="exr_NumberOfRealEstatePropertiesToBeAcquired" abstract="false" name="NumberOfRealEstatePropertiesToBeAcquired" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="exr_EquityMethodInvestmentsNumberOfInvestmentsPurchased" abstract="false" name="EquityMethodInvestmentsNumberOfInvestmentsPurchased" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="exr_LesseeOperatingAndFinanceLeaseLiabilityPaymentsDueAfterYearFive" abstract="false" name="LesseeOperatingAndFinanceLeaseLiabilityPaymentsDueAfterYearFive" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="exr_NoncontrollingInterestPolicyPolicyTextBlock" abstract="false" name="NoncontrollingInterestPolicyPolicyTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="exr_EquityMethodInvestmentsNumberOfInvestmentsSold" abstract="false" name="EquityMethodInvestmentsNumberOfInvestmentsSold" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="exr_OtherAssetsPolicyPolicyTextBlock" abstract="false" name="OtherAssetsPolicyPolicyTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="exr_ReturnOfInvestmentRealEstateVentures" abstract="false" name="ReturnOfInvestmentRealEstateVentures" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="exr_SharebasedCompensationArrangementBySharebasedPaymentAwardComponentWeightPercentage" abstract="false" name="SharebasedCompensationArrangementBySharebasedPaymentAwardComponentWeightPercentage" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="exr_PRISASelfStorageLLCMember" abstract="true" name="PRISASelfStorageLLCMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="exr_LesseeOperatingAndFinanceLeaseLiabilityPaymentsDueYearTwo" abstract="false" name="LesseeOperatingAndFinanceLeaseLiabilityPaymentsDueYearTwo" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="exr_WICNNJVLLCAndGFNJVLLCMember" abstract="true" name="WICNNJVLLCAndGFNJVLLCMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="exr_IncomeLossAttributableToNoncontrollingInterestFixedComponent" abstract="false" name="IncomeLossAttributableToNoncontrollingInterestFixedComponent" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="exr_GainsLossesOnRealEstateTransactionsNetOfImpairmentOfRealEstate" abstract="false" name="GainsLossesOnRealEstateTransactionsNetOfImpairmentOfRealEstate" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="exr_ExchangeableSeniorNotesThreePointOneTwoFivePercentDueTwoThousandAndThirtyFiveMember" abstract="true" name="ExchangeableSeniorNotesThreePointOneTwoFivePercentDueTwoThousandAndThirtyFiveMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="exr_NoncontrollingInterestIncreaseFromAcquisitions" abstract="false" name="NoncontrollingInterestIncreaseFromAcquisitions" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="exr_RealEstatePropertyAssetAcquisitionConsiderationTransferred" abstract="false" name="RealEstatePropertyAssetAcquisitionConsiderationTransferred" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="exr_UnsecuredDebtTrancheOneMember" abstract="true" name="UnsecuredDebtTrancheOneMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="exr_ARAEXRJVLLCMember" abstract="true" name="ARAEXRJVLLCMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="exr_AdjustmentsToAdditionalPaidInCapitalPurchaseOfRemainingEquityInterestInConsolidatedJointVenture" abstract="false" name="AdjustmentsToAdditionalPaidInCapitalPurchaseOfRemainingEquityInterestInConsolidatedJointVenture" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="exr_ESSCATIVSJVLPMember" abstract="true" name="ESSCATIVSJVLPMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="exr_NumberOfRealEstatePropertiesFranchiseesAndOthers" abstract="false" name="NumberOfRealEstatePropertiesFranchiseesAndOthers" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="exr_DebtSecuritiesHeldToMaturityExtensionTerm" abstract="false" name="DebtSecuritiesHeldToMaturityExtensionTerm" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="exr_FinanceLeaseMember" abstract="true" name="FinanceLeaseMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="exr_InterestExpenseExcludingAmortizationofDebtDiscountPremium" abstract="false" name="InterestExpenseExcludingAmortizationofDebtDiscountPremium" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="exr_CommonStockVotingRightsVotesNumber" abstract="false" name="CommonStockVotingRightsVotesNumber" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="exr_NoncashOrPartNoncashAcquisitionFinanceLeaseLiability" abstract="false" name="NoncashOrPartNoncashAcquisitionFinanceLeaseLiability" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="exr_LesseeOperatingAndFinanceLeaseLiability" abstract="false" name="LesseeOperatingAndFinanceLeaseLiability" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="exr_StockIssuedDuringPeriodRepurchaseOfEquityPortionOfExchangeableSeniorNotesShares" abstract="false" name="StockIssuedDuringPeriodRepurchaseOfEquityPortionOfExchangeableSeniorNotesShares" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="exr_ConstructionInProgressAndUndevelopedLandMember" abstract="true" name="ConstructionInProgressAndUndevelopedLandMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="exr_RealEstateConsolidatedJointVenturesNumber" abstract="false" name="RealEstateConsolidatedJointVenturesNumber" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="exr_DeferredTaxLiabilitiesStateTaxes" abstract="false" name="DeferredTaxLiabilitiesStateTaxes" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="exr_DebtSecuritiesHeldToMaturityExtensionOption" abstract="false" name="DebtSecuritiesHeldToMaturityExtensionOption" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="exr_SeniorNotesDue2032Member" abstract="true" name="SeniorNotesDue2032Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="exr_EstablishmentOfOperatingLeaseLiability" abstract="false" name="EstablishmentOfOperatingLeaseLiability" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="exr_LesseeOperatingAndFinanceLeaseLiabilityPaymentsDueAbstract" abstract="true" name="LesseeOperatingAndFinanceLeaseLiabilityPaymentsDueAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="exr_DeferredTaxLiabilitiesRightOfUseAsset" abstract="false" name="DeferredTaxLiabilitiesRightOfUseAsset" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="exr_Tranche2TermLoanFacilityMember" abstract="true" name="Tranche2TermLoanFacilityMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="exr_Tranche7TermLoanFacilityMember" abstract="true" name="Tranche7TermLoanFacilityMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="exr_PrepaidExpenseAndDeposits" abstract="false" name="PrepaidExpenseAndDeposits" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="exr_PRIIEXRJVLLCMember" abstract="true" name="PRIIEXRJVLLCMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="exr_DebtSecuritiesHeldToMaturityPeriodAfterWhichPreferredDividendsIncreaseAnnually" abstract="false" name="DebtSecuritiesHeldToMaturityPeriodAfterWhichPreferredDividendsIncreaseAnnually" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="exr_LeaseArrangementAxis" abstract="true" name="LeaseArrangementAxis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType"/>
  <xs:element id="exr_GainLossFromUnconsolidatedRealEstateJointVenturesGainLossOnSaleOfRealEstate" abstract="false" name="GainLossFromUnconsolidatedRealEstateJointVenturesGainLossOnSaleOfRealEstate" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="exr_VRSSelfStorageLLCMember" abstract="true" name="VRSSelfStorageLLCMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="exr_VariableInterestEntityNumberOfStores" abstract="false" name="VariableInterestEntityNumberOfStores" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="exr_MinorityInterestDecreaseFromRedemptionsShares" abstract="false" name="MinorityInterestDecreaseFromRedemptionsShares" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="exr_RealEstateUnderDevelopmentMember" abstract="true" name="RealEstateUnderDevelopmentMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="exr_NoncontrollingInterestInPreferredOperatingPartnershipUnitsFixedPriorityReturnAmount" abstract="false" name="NoncontrollingInterestInPreferredOperatingPartnershipUnitsFixedPriorityReturnAmount" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="exr_DebtSecuritiesHeldToMaturityAndFinancingReceivableAfterAllowanceForCreditLossAndInterestReceivable" abstract="false" name="DebtSecuritiesHeldToMaturityAndFinancingReceivableAfterAllowanceForCreditLossAndInterestReceivable" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="exr_SECSchedule1228RealEstateCompaniesInvestmentInRealEstateAccumulatedDepreciationInvestmentInRealEstateSoldAndOtherDeductions" abstract="false" name="SECSchedule1228RealEstateCompaniesInvestmentInRealEstateAccumulatedDepreciationInvestmentInRealEstateSoldAndOtherDeductions" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="exr_CashPortionOfRedemptionOfPreferredOperatingPartnershipUnits" abstract="false" name="CashPortionOfRedemptionOfPreferredOperatingPartnershipUnits" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="exr_FinanceLeaseCost1Abstract" abstract="true" name="FinanceLeaseCost1Abstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="exr_ProceedsFromNotesReceivableCollateralizedByNoncontrollingInterest" abstract="false" name="ProceedsFromNotesReceivableCollateralizedByNoncontrollingInterest" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="exr_NoncontrollingInterestInPreferredOperatingPartnershipUnitsLiquidationValuePerUnit" abstract="false" name="NoncontrollingInterestInPreferredOperatingPartnershipUnitsLiquidationValuePerUnit" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:perShareItemType"/>
  <xs:element id="exr_NoncontrollingInterestIncreaseFromBusinessCombinations" abstract="false" name="NoncontrollingInterestIncreaseFromBusinessCombinations" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="exr_IssuanceOfOPAndPreferredOPUnitsInConjunctionWithBusinessCombinationsAbstract" abstract="true" name="IssuanceOfOPAndPreferredOPUnitsInConjunctionWithBusinessCombinationsAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="exr_NoncontrollingInterestOperatingPartnershipUnitsIssuedWithAcquisition" abstract="false" name="NoncontrollingInterestOperatingPartnershipUnitsIssuedWithAcquisition" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="exr_MaximumPercentageOfCompensationByPlanParticipantsSubjectToFiftyPercentMatchingOfCompany" abstract="false" name="MaximumPercentageOfCompensationByPlanParticipantsSubjectToFiftyPercentMatchingOfCompany" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="exr_ScheduleOfRealEstateInvestmentsTableTextBlock" abstract="false" name="ScheduleOfRealEstateInvestmentsTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="exr_Tranche6TermLoanFacilityMember" abstract="true" name="Tranche6TermLoanFacilityMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="exr_DeferredTaxAssetsLeaseLiability" abstract="false" name="DeferredTaxAssetsLeaseLiability" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="exr_UnsecuredDebtTrancheTwoMember" abstract="true" name="UnsecuredDebtTrancheTwoMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="exr_RedemptionOfUnitsForCommonStockMember" abstract="true" name="RedemptionOfUnitsForCommonStockMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="exr_WICNNJVLLCMember" abstract="true" name="WICNNJVLLCMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
</xs:schema>
