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  <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_PartnersCapitalAccountAdditionalUnitsRedeemed" abstract="false" name="PartnersCapitalAccountAdditionalUnitsRedeemed" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="exr_LesseeLeaseNotYetCommencedRenewalTerm" abstract="false" name="LesseeLeaseNotYetCommencedRenewalTerm" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <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_SECSchedule1228RealEstateCompaniesInvestmentInRealEstateAccumulatedDepreciationInvestmentInRealEstateSoldAndOtherDeductions" abstract="false" name="SECSchedule1228RealEstateCompaniesInvestmentInRealEstateAccumulatedDepreciationInvestmentInRealEstateSoldAndOtherDeductions" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="exr_LeaseOptionDomain" abstract="true" name="LeaseOptionDomain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <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_LeaseOptionAxis" abstract="true" name="LeaseOptionAxis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType"/>
  <xs:element id="exr_RevenueFromContractWithCustomerContractTerm" abstract="false" name="RevenueFromContractWithCustomerContractTerm" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="exr_CommonStockVotingRightsVotesNumber" abstract="false" name="CommonStockVotingRightsVotesNumber" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <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_CashDistributionsInUnconsolidatedRealEstateVentures" abstract="false" name="CashDistributionsInUnconsolidatedRealEstateVentures" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="exr_ConstructionInProgressAdditionsPortionNotYetPaid" abstract="false" name="ConstructionInProgressAdditionsPortionNotYetPaid" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="exr_LesseeLeaseNotYetCommencedNumberOfOptionsToExtend" abstract="false" name="LesseeLeaseNotYetCommencedNumberOfOptionsToExtend" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <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_NoncashOrPartNoncashAcquisitionNetRealEstateAssetsAcquired" abstract="false" name="NoncashOrPartNoncashAcquisitionNetRealEstateAssetsAcquired" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <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_RedemptionOfOperatingPartnershipUnitsForCommonStockIncludingAdditionalPaidInCapital" abstract="false" name="RedemptionOfOperatingPartnershipUnitsForCommonStockIncludingAdditionalPaidInCapital" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <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_RiskManagementActivitiesPolicyPolicyTextBlock" abstract="false" name="RiskManagementActivitiesPolicyPolicyTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <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_DebtIssuanceCostAmortizationPeriod" abstract="false" name="DebtIssuanceCostAmortizationPeriod" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <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_NoncontrollingInterestOperatingPartnershipUnitsRedeemedForCommonStock" abstract="false" name="NoncontrollingInterestOperatingPartnershipUnitsRedeemedForCommonStock" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="exr_AverageClosingMarketPriceMeasurementPeriod" abstract="false" name="AverageClosingMarketPriceMeasurementPeriod" 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_NoncontrollingInterestConversionOfPreferredUnitstoCommonUnits" abstract="false" name="NoncontrollingInterestConversionOfPreferredUnitstoCommonUnits" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="exr_LineOfCreditFacilityNumberOfExtensionsAvailable" abstract="false" name="LineOfCreditFacilityNumberOfExtensionsAvailable" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="exr_LesseeOperatingLeaseNumberOfLeases" abstract="false" name="LesseeOperatingLeaseNumberOfLeases" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <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_ScheduleOfInvestmentsInDebtSecuritiesAndFinancingReceivablesTableTextBlock" abstract="false" name="ScheduleOfInvestmentsInDebtSecuritiesAndFinancingReceivablesTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <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_NoteReceivableReductionOfNoncontrollingInterests" abstract="false" name="NoteReceivableReductionOfNoncontrollingInterests" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="exr_EquityMethodInvestmentNumberOfProperties" abstract="false" name="EquityMethodInvestmentNumberOfProperties" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="exr_OperatingGroundLeaseMember" abstract="true" name="OperatingGroundLeaseMember" 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_LesseeLeaseNumberOfLeases" abstract="false" name="LesseeLeaseNumberOfLeases" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="exr_ConversionOfPreferredOperatingUnitsToCommonUnits" abstract="false" name="ConversionOfPreferredOperatingUnitsToCommonUnits" nillable="true" xbrli:periodType="duration" 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_AggregateOfferingPriceOfCommonShare" abstract="false" name="AggregateOfferingPriceOfCommonShare" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <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_SecuredLoanWithBankMember" abstract="true" name="SecuredLoanWithBankMember" 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_NoncontrollingInterestIncreaseFromAcquisitions" abstract="false" name="NoncontrollingInterestIncreaseFromAcquisitions" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="exr_NoncontrollingInterestConversionOfPreferredUnitstoCommonUnitsNumberOfUnitsIssued" abstract="false" name="NoncontrollingInterestConversionOfPreferredUnitstoCommonUnitsNumberOfUnitsIssued" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="exr_VariableRateComponentDomain" abstract="true" name="VariableRateComponentDomain" 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_ConvertibleDebtPolicyPolicyTextBlock" abstract="false" name="ConvertibleDebtPolicyPolicyTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <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_GainLossFromUnconsolidatedRealEstateJointVenturesGainLossOnSaleOfRealEstate" abstract="false" name="GainLossFromUnconsolidatedRealEstateJointVenturesGainLossOnSaleOfRealEstate" 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_NotesPayabletoTrustsDisclosureTextBlock" abstract="false" name="NotesPayabletoTrustsDisclosureTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="exr_NoncashOrPartNoncashAcquisitionFinanceLeaseLiabilityConstruction" abstract="false" name="NoncashOrPartNoncashAcquisitionFinanceLeaseLiabilityConstruction" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="exr_NumberOfConsolidatedVariableInterestEntities" abstract="false" name="NumberOfConsolidatedVariableInterestEntities" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <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_IncrementalCommonSharesAttributableToConversionOfOperatingPartnershipUnits" abstract="false" name="IncrementalCommonSharesAttributableToConversionOfOperatingPartnershipUnits" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="exr_ExchangeOfRealEstateForInterestInJointVenture" abstract="false" name="ExchangeOfRealEstateForInterestInJointVenture" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="exr_ProceedsFromCollectionOfNotesReceivableFinancingActivities" abstract="false" name="ProceedsFromCollectionOfNotesReceivableFinancingActivities" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="exr_VariableInterestEntityNumberOfStores" abstract="false" name="VariableInterestEntityNumberOfStores" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <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_LesseeOperatingAndFinanceLeaseLiabilityPaymentsYearOne" abstract="false" name="LesseeOperatingAndFinanceLeaseLiabilityPaymentsYearOne" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <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_LeaseArrangementDomain" abstract="true" name="LeaseArrangementDomain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="exr_MinorityInterestDecreaseFromRedemptionsShares" abstract="false" name="MinorityInterestDecreaseFromRedemptionsShares" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="exr_IssuanceOfCommonStockForRepaymentOfSeniorDebtShares" abstract="false" name="IssuanceOfCommonStockForRepaymentOfSeniorDebtShares" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="exr_NoncashOrPartNoncashAcquisitionNetRealEstateAssetsAcquiredAbstract" abstract="true" name="NoncashOrPartNoncashAcquisitionNetRealEstateAssetsAcquiredAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="exr_FinancingReceivableStoresHeldAsCollateral" abstract="false" name="FinancingReceivableStoresHeldAsCollateral" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="exr_NoncontrollingInterestInPreferredOperatingPartnershipUnitsPeriodFromDateOfIssuanceAfterWhichUnitsBecomeRedeemable" abstract="false" name="NoncontrollingInterestInPreferredOperatingPartnershipUnitsPeriodFromDateOfIssuanceAfterWhichUnitsBecomeRedeemable" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <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_GainsLossesOnRealEstateTransactionsNetOfImpairmentOfRealEstate" abstract="false" name="GainsLossesOnRealEstateTransactionsNetOfImpairmentOfRealEstate" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="exr_CaliforniaStoreLeaseMember" abstract="true" name="CaliforniaStoreLeaseMember" 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_EastSpaceWestOneLLCAndEastSpaceWestTwoLLCMember" abstract="true" name="EastSpaceWestOneLLCAndEastSpaceWestTwoLLCMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <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_NoncontrollingInterestOtherDecreaseIncrease" abstract="false" name="NoncontrollingInterestOtherDecreaseIncrease" 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_NoncontrollingInterestInPreferredOperatingPartnershipUnitsLiquidationValuePerUnit" abstract="false" name="NoncontrollingInterestInPreferredOperatingPartnershipUnitsLiquidationValuePerUnit" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:perShareItemType"/>
  <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_PercentageOfMatchingContributionMadeByCompanyForFirstThreePercentOfParticipantsCompensation" abstract="false" name="PercentageOfMatchingContributionMadeByCompanyForFirstThreePercentOfParticipantsCompensation" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="exr_PreferredOperatingPartnershipUnitsAbstract" abstract="true" name="PreferredOperatingPartnershipUnitsAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="exr_LeaseOptionOneMember" abstract="true" name="LeaseOptionOneMember" 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_StoragePortfolioIVJVLLCMember" abstract="true" name="StoragePortfolioIVJVLLCMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <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_ExchangeableSeniorNotesTwoPointThreeSevenFivePercentDueTwoThousandThirtyThreeMember" abstract="true" name="ExchangeableSeniorNotesTwoPointThreeSevenFivePercentDueTwoThousandThirtyThreeMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <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_JCAPSeriesAPreferredStockMember" abstract="true" name="JCAPSeriesAPreferredStockMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="exr_NumberOfOperatingStoresHeldForSale" abstract="false" name="NumberOfOperatingStoresHeldForSale" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="exr_NoncontrollingInterestOperatingPartnershipUnitsRedeemedForCash" abstract="false" name="NoncontrollingInterestOperatingPartnershipUnitsRedeemedForCash" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <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_StoragePortfolioIIJVLLCMember" abstract="true" name="StoragePortfolioIIJVLLCMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <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_PreferredStockInvestmentPeriodAfterWhichDividendRateIsSubjectToIncrease" abstract="false" name="PreferredStockInvestmentPeriodAfterWhichDividendRateIsSubjectToIncrease" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="exr_NumberOfOperatingStoresOwned" abstract="false" name="NumberOfOperatingStoresOwned" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="exr_RedemptionOfPreferredOperatingPartnershipUnitsForCommonStockAbstract" abstract="true" name="RedemptionOfPreferredOperatingPartnershipUnitsForCommonStockAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="exr_LesseeLeaseNotYetCommencedTermOfContract" abstract="false" name="LesseeLeaseNotYetCommencedTermOfContract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <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_WICNNJVLLCMember" abstract="true" name="WICNNJVLLCMember" 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_NoncashInterestIncome" abstract="false" name="NoncashInterestIncome" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" 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_MaximumPercentageOfCompensationByPlanParticipantsSubjectToFiftyPercentMatchingOfCompany" abstract="false" name="MaximumPercentageOfCompensationByPlanParticipantsSubjectToFiftyPercentMatchingOfCompany" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="exr_EquityMethodInvestmentsNumberOfStoresSold" abstract="false" name="EquityMethodInvestmentsNumberOfStoresSold" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="exr_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsWeightedAverageRemainingContractualTermAbstract" abstract="true" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsWeightedAverageRemainingContractualTermAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <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_NumberOfRealEstatePropertiesFranchiseesAndOthers" abstract="false" name="NumberOfRealEstatePropertiesFranchiseesAndOthers" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <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_NumberOfRealEstatePropertiesAcquired" abstract="false" name="NumberOfRealEstatePropertiesAcquired" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="exr_CorporateFacilityLeaseMember" abstract="true" name="CorporateFacilityLeaseMember" 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_ExchangeableSeniorNotesThreePointOneTwoFivePercentDueTwoThousandAndThirtyFiveMember" abstract="true" name="ExchangeableSeniorNotesThreePointOneTwoFivePercentDueTwoThousandAndThirtyFiveMember" 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_LesseeOperatingAndFinanceLeaseLiabilityUndiscountedExcessAmount" abstract="false" name="LesseeOperatingAndFinanceLeaseLiabilityUndiscountedExcessAmount" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <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_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsWeightedAverageForfeitureRate" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsWeightedAverageForfeitureRate" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <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_AuditInformationAbstract" abstract="true" name="AuditInformationAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <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_ManagementServicesAgreementsMSAMember" abstract="true" name="ManagementServicesAgreementsMSAMember" 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_SharebasedCompensationArrangementBySharebasedPaymentAwardComponentWeightPercentage" abstract="false" name="SharebasedCompensationArrangementBySharebasedPaymentAwardComponentWeightPercentage" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <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_TenantReinsurancePolicyAverageAmountOfInsuranceCoverage" abstract="false" name="TenantReinsurancePolicyAverageAmountOfInsuranceCoverage" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" 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_ExchangeableSeniorNotesMember" abstract="true" name="ExchangeableSeniorNotesMember" 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_ScheduleOfDebtRepurchaseTableTextBlock" abstract="false" name="ScheduleOfDebtRepurchaseTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="exr_SpecifiedInvestmentGradeRatingAndElectsToUseAlternativeRatesMember" abstract="true" name="SpecifiedInvestmentGradeRatingAndElectsToUseAlternativeRatesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <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_EffectiveIncomeTaxRateReconciliationTaxCreditsAdjustments" abstract="false" name="EffectiveIncomeTaxRateReconciliationTaxCreditsAdjustments" 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_SeriesBUnitsMember" abstract="true" name="SeriesBUnitsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <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_NoncontrollingInterestOperatingPartnershipUnitsIssuedWithAcquisition" abstract="false" name="NoncontrollingInterestOperatingPartnershipUnitsIssuedWithAcquisition" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <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_ExercisePriceRangeTwoMember" abstract="true" name="ExercisePriceRangeTwoMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="exr_IncrementalCommonSharesAttributableToExchangeablePreferredOperatingPartnershipUnits" abstract="false" name="IncrementalCommonSharesAttributableToExchangeablePreferredOperatingPartnershipUnits" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="exr_RealEstateConsolidatedJointVenturesNumber" abstract="false" name="RealEstateConsolidatedJointVenturesNumber" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <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_LesseeOperatingAndFinanceLeaseLiability" abstract="false" name="LesseeOperatingAndFinanceLeaseLiability" 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_PercentageOfUnderwritingFee" abstract="false" name="PercentageOfUnderwritingFee" 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_InvestmentInUnconsolidatedRealEstateEntitiesNetOfDistributions" abstract="false" name="InvestmentInUnconsolidatedRealEstateEntitiesNetOfDistributions" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="exr_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsWeightedAggregateIntrinsicValueAbstract" abstract="true" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsWeightedAggregateIntrinsicValueAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="exr_DebtSecuritiesHeldToMaturityExtensionTerm" abstract="false" name="DebtSecuritiesHeldToMaturityExtensionTerm" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <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_PropertyAcquisitionsandDispositionsLineItems" abstract="true" name="PropertyAcquisitionsandDispositionsLineItems" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="exr_NumberOfStoresSold" abstract="false" name="NumberOfStoresSold" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <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_SECSchedule1228RealEstateCompaniesInvestmentinRealEstateTransfersInOut" abstract="false" name="SECSchedule1228RealEstateCompaniesInvestmentinRealEstateTransfersInOut" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="exr_VariableRateComponentAxis" abstract="true" name="VariableRateComponentAxis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType"/>
  <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_FinancingReceivableExtensionTerm" abstract="false" name="FinancingReceivableExtensionTerm" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <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_NumberOfRealEstatePropertiesAcquiredSubjectToFinanceLease" abstract="false" name="NumberOfRealEstatePropertiesAcquiredSubjectToFinanceLease" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <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_ESSNYFLJVLPMember" abstract="true" name="ESSNYFLJVLPMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <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_StockRepurchaseDuringPeriodAveragePrice" abstract="false" name="StockRepurchaseDuringPeriodAveragePrice" 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_PreferredOperatingPartnershipUnitsAmountToBeSettledInCashMinimum" abstract="false" name="PreferredOperatingPartnershipUnitsAmountToBeSettledInCashMinimum" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <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_NonControllingInterestOtherMember" abstract="true" name="NonControllingInterestOtherMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="exr_NonCashDecreaseInInvestmentsInUnconsolidatedEntities" abstract="false" name="NonCashDecreaseInInvestmentsInUnconsolidatedEntities" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <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_FinancingReceivableExtensionOption" abstract="false" name="FinancingReceivableExtensionOption" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <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_Tranche5TermLoanFacilityMember" abstract="true" name="Tranche5TermLoanFacilityMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <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_StockIssuedDuringPeriodRepurchaseOfEquityPortionOfExchangeableSeniorNotesShares" abstract="false" name="StockIssuedDuringPeriodRepurchaseOfEquityPortionOfExchangeableSeniorNotesShares" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="exr_DerivativeInstrumentsWithContingentFeaturesContingentCashSettlementValue" abstract="false" name="DerivativeInstrumentsWithContingentFeaturesContingentCashSettlementValue" 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_NumberOfRealEstatePropertiesToBeAcquired" abstract="false" name="NumberOfRealEstatePropertiesToBeAcquired" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="exr_NumberOfStoresAddedUnderOperatingLease" abstract="false" name="NumberOfStoresAddedUnderOperatingLease" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="exr_NumberOfClaimsMadeUnderTenantReinsuranceProgram" abstract="false" name="NumberOfClaimsMadeUnderTenantReinsuranceProgram" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="exr_EquityMethodInvestmentExcessPurchasePriceAmortizationPeriod" abstract="false" name="EquityMethodInvestmentExcessPurchasePriceAmortizationPeriod" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <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_Tranche4TermLoanFacilityMember" abstract="true" name="Tranche4TermLoanFacilityMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <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_BristolInvestmentsLLCMember" abstract="true" name="BristolInvestmentsLLCMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="exr_EquityMethodInvestmentsNumberOfInvestmentsSold" abstract="false" name="EquityMethodInvestmentsNumberOfInvestmentsSold" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="exr_IncrementalCommonSharesAttributableToShareBasedPaymentArrangementsStockOptions" abstract="false" name="IncrementalCommonSharesAttributableToShareBasedPaymentArrangementsStockOptions" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <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_StoreLeaseMember" abstract="true" name="StoreLeaseMember" 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_RegionalOfficeLeaseMember" abstract="true" name="RegionalOfficeLeaseMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <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_LesseeOperatingAndFinanceLeaseLiabilityPaymentsDueYearFive" abstract="false" name="LesseeOperatingAndFinanceLeaseLiabilityPaymentsDueYearFive" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <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_LesseeLeaseTermOfContract" abstract="false" name="LesseeLeaseTermOfContract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <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_DebtSecuritiesHeldToMaturityExtensionOption" abstract="false" name="DebtSecuritiesHeldToMaturityExtensionOption" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <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_ConstructionInProgressAndUndevelopedLandMember" abstract="true" name="ConstructionInProgressAndUndevelopedLandMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <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_ScheduleOfRealEstateAssetsTableTextBlock" abstract="false" name="ScheduleOfRealEstateAssetsTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
</xs:schema>
