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        <link:usedOn>link:calculationLink</link:usedOn>
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        <link:definition>4071 - Disclosure - VARIABLE INTERESTS (Details 2)</link:definition>
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        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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        <link:definition>1030 - Disclosure - FAIR VALUE DISCLOSURES</link:definition>
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        <link:usedOn>link:calculationLink</link:usedOn>
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      <link:roleType roleURI="http://www.extraspace.com/role/DisclosureStockOffering" id="DisclosureStockOffering">
        <link:definition>1120 - Disclosure - STOCK OFFERING</link:definition>
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        <link:usedOn>link:calculationLink</link:usedOn>
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      <link:roleType roleURI="http://www.extraspace.com/role/DisclosureStockOfferingDetails" id="DisclosureStockOfferingDetails">
        <link:definition>4120 - Disclosure - STOCK OFFERING (Details)</link:definition>
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        <link:usedOn>link:calculationLink</link:usedOn>
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      <link:roleType roleURI="http://www.extraspace.com/role/DisclosureSubsequentEventsDetails" id="DisclosureSubsequentEventsDetails">
        <link:definition>4160 - Disclosure - SUBSEQUENT EVENTS (Details)</link:definition>
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        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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        <link:usedOn>link:calculationLink</link:usedOn>
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        <link:definition>4060 - Disclosure - RECEIVABLES FROM RELATED PARTIES AND AFFILIATED REAL ESTATE JOINT VENTURES (Details)</link:definition>
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        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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      <link:roleType roleURI="http://www.extraspace.com/role/DisclosureLossOnSublease" id="DisclosureLossOnSublease">
        <link:definition>1130 - Disclosure - LOSS ON SUBLEASE</link:definition>
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        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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      <link:roleType roleURI="http://www.extraspace.com/role/DisclosureLossOnSubleaseDetails" id="DisclosureLossOnSubleaseDetails">
        <link:definition>4130 - Disclosure - LOSS ON SUBLEASE (Details)</link:definition>
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        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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  <xsd:import namespace="http://www.w3.org/1999/xlink" schemaLocation="http://www.xbrl.org/2003/xlink-2003-12-31.xsd"/>
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  <xsd:import namespace="http://xbrl.sec.gov/invest/2011-01-31" schemaLocation="http://xbrl.sec.gov/invest/2011/invest-2011-01-31.xsd"/>
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  <xsd:element name="NotesPayableToTrustsDisclosureTextBlock" id="exr_NotesPayableToTrustsDisclosureTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration"/>
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  <xsd:element name="UnrecoveredDevelopmentAndAcquisitionCosts" id="exr_UnrecoveredDevelopmentAndAcquisitionCosts" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration"/>
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  <xsd:element name="UnrecoveredDevelopmentAndAcquisitionCostsNoncash" id="exr_UnrecoveredDevelopmentAndAcquisitionCostsNoncash" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration"/>
  <xsd:element name="ProceedsFromNotesPayableAndLinesOfCredit" id="exr_ProceedsFromNotesPayableAndLinesOfCredit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration"/>
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  <xsd:element name="ReturnOfInvestmentRealEstateVentures" id="exr_ReturnOfInvestmentRealEstateVentures" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration"/>
  <xsd:element name="VariableInterestEntityNotPrimaryBeneficiaryJointVenturesComparisonOfCarryingAmountOfLiabilitiesToMaximumLossExposureTableTextBlock" id="exr_VariableInterestEntityNotPrimaryBeneficiaryJointVenturesComparisonOfCarryingAmountOfLiabilitiesToMaximumLossExposureTableTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration"/>
  <xsd:element name="VariableInterestEntityNotPrimaryBeneficiaryComparisonOfCarryingAmountOfLiabilitiesToMaximumLossExposureTableTextBlock" id="exr_VariableInterestEntityNotPrimaryBeneficiaryComparisonOfCarryingAmountOfLiabilitiesToMaximumLossExposureTableTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration"/>
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  <xsd:element name="ExchangeableSeniorNotesDisclosureAbstract" id="exr_ExchangeableSeniorNotesDisclosureAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <xsd:element name="NoncontrollingInterestRepresentedByPreferredOperatingPartnershipUnitsDisclosureAbstract" id="exr_NoncontrollingInterestRepresentedByPreferredOperatingPartnershipUnitsDisclosureAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <xsd:element name="NoncontrollingInterestInOperatingPartnershipDisclosureAbstract" id="exr_NoncontrollingInterestInOperatingPartnershipDisclosureAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <xsd:element name="UnrecoveredDevelopmentAndAcquisitionCostsAndSeveranceCostsAssociatedWithTheWindDownOfDevelopmentProgramDisclosureAbstract" id="exr_UnrecoveredDevelopmentAndAcquisitionCostsAndSeveranceCostsAssociatedWithTheWindDownOfDevelopmentProgramDisclosureAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <xsd:element name="VariableInterestsDisclosureAbstract" id="exr_VariableInterestsDisclosureAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
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  <xsd:element name="AdjustmentsToAdditionalPaidInCapitalTaxEffectFromContributionOfPropertyToSubsidiary" id="exr_AdjustmentsToAdditionalPaidInCapitalTaxEffectFromContributionOfPropertyToSubsidiary" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration"/>
  <xsd:element name="AdjustmentsToAdditionalPaidInCapitalTaxEffectFromWindDownOfDevelopmentProgram" id="exr_AdjustmentsToAdditionalPaidInCapitalTaxEffectFromWindDownOfDevelopmentProgram" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration"/>
  <xsd:element name="DeconsolidationOfJointVenturesDueToApplicationOfAccountingStandardsCodificationAbstract" id="exr_DeconsolidationOfJointVenturesDueToApplicationOfAccountingStandardsCodificationAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
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  <xsd:element name="OtherAssetsAndOtherLiabilites" id="exr_OtherAssetsAndOtherLiabilites" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration"/>
  <xsd:element name="NotesPayableNoncash" id="exr_NotesPayableNoncash" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration"/>
  <xsd:element name="RelatedPartyReceivables" id="exr_RelatedPartyReceivables" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration"/>
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  <xsd:element name="InvestmentInRealEstateVentures" id="exr_InvestmentInRealEstateVentures" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration"/>
  <xsd:element name="NoncashOrPartNoncashAcquisitionNetRealEstateAssetsAcquiredAbstract" id="exr_NoncashOrPartNoncashAcquisitionNetRealEstateAssetsAcquiredAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <xsd:element name="NoncashOrPartNoncashAcquisitionNetRealEstateAssetsAcquired" id="exr_NoncashOrPartNoncashAcquisitionNetRealEstateAssetsAcquired" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration"/>
  <xsd:element name="NoncontrollingInterestsIncreaseFromPurchaseOfInterests" id="exr_NoncontrollingInterestsIncreaseFromPurchaseOfInterests" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration"/>
  <xsd:element name="NoncontrollingInterestConsolidatedAsBusinessAcquisition" id="exr_NoncontrollingInterestConsolidatedAsBusinessAcquisition" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration"/>
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  <xsd:element name="OperatingPartnershipUnitsIssued" id="exr_OperatingPartnershipUnitsIssued" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration"/>
  <xsd:element name="NumberOfRealEstatePropertiesOwnedAndOrManaged" id="exr_NumberOfRealEstatePropertiesOwnedAndOrManaged" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant"/>
  <xsd:element name="NumberOfRealEstatePropertiesFranchiseesAndOthers" id="exr_NumberOfRealEstatePropertiesFranchiseesAndOthers" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant"/>
  <xsd:element name="NumberOfRealEstatePropertiesUnderLeaseUpStage" id="exr_NumberOfRealEstatePropertiesUnderLeaseUpStage" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant"/>
  <xsd:element name="MinorityInterestOwnershipPercentageByNoncontrollingOwnersHighEndOfRange" id="exr_MinorityInterestOwnershipPercentageByNoncontrollingOwnersHighEndOfRange" type="num:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant"/>
  <xsd:element name="MinorityInterestOwnershipPercentageByNoncontrollingOwnersLowEndOfRange" id="exr_MinorityInterestOwnershipPercentageByNoncontrollingOwnersLowEndOfRange" type="num:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant"/>
  <xsd:element name="NoncontrollingInterestRepurchaseOfRealEstatePropertiesNumber" id="exr_NoncontrollingInterestRepurchaseOfRealEstatePropertiesNumber" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration"/>
  <xsd:element name="PaymentsForRepurchaseOfNoncontrollingInterest" id="exr_PaymentsForRepurchaseOfNoncontrollingInterest" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration"/>
  <xsd:element name="PropertyManagementAcquisitionAndDevelopmentMember" id="exr_PropertyManagementAcquisitionAndDevelopmentMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
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  <xsd:element name="TenantReinsuranceMember" id="exr_TenantReinsuranceMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
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  <xsd:element name="NumberOfRealEstatesConstructionInProcess" id="exr_NumberOfRealEstatesConstructionInProcess" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant"/>
  <xsd:element name="RealEstateConsolidatedSelfStoragePropertiesNumber" id="exr_RealEstateConsolidatedSelfStoragePropertiesNumber" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant"/>
  <xsd:element name="RealEstateRemainingDevelopmentProjectsInProcessNumber" id="exr_RealEstateRemainingDevelopmentProjectsInProcessNumber" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant"/>
  <xsd:element name="MaximumPercentageOfRentalIncomeAccountedForBySingleTenant" id="exr_MaximumPercentageOfRentalIncomeAccountedForBySingleTenant" type="num:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration"/>
  <xsd:element name="NoncontrollingInterestInPreferredOperatingPartnershipUnitsFixedPriorityReturnStatedRateOfReturn" id="exr_NoncontrollingInterestInPreferredOperatingPartnershipUnitsFixedPriorityReturnStatedRateOfReturn" type="num:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant"/>
  <xsd:element name="NoncontrollingInterestInPreferredOperatingPartnershipUnitsFixedPriorityReturnRedemptionValue" id="exr_NoncontrollingInterestInPreferredOperatingPartnershipUnitsFixedPriorityReturnRedemptionValue" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="instant"/>
  <xsd:element name="IncomeLossAttributableToNoncontrollingInterestFixedComponent" id="exr_IncomeLossAttributableToNoncontrollingInterestFixedComponent" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration"/>
  <xsd:element name="IncrementalCommonSharesAttributableToConversionOfOperatingPartnershipUnits" id="exr_IncrementalCommonSharesAttributableToConversionOfOperatingPartnershipUnits" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration"/>
  <xsd:element name="IncrementalCommonSharesAttributableToConversionOfPreferredOperatingPartnershipUnits" id="exr_IncrementalCommonSharesAttributableToConversionOfPreferredOperatingPartnershipUnits" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration"/>
  <xsd:element name="ScheduleOfEarningsPerShareTable" id="exr_ScheduleOfEarningsPerShareTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <xsd:element name="DebtInstrumentPercentageOfExchangePriceUsedToDeterminePricePerShareThatMustBeExceededForConversion" id="exr_DebtInstrumentPercentageOfExchangePriceUsedToDeterminePricePerShareThatMustBeExceededForConversion" type="num:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant"/>
  <xsd:element name="PreferredOperatingPartnershipUnitsConvertibleCarryingAmountOfTheEquityComponentSettledInCashMinimum" id="exr_PreferredOperatingPartnershipUnitsConvertibleCarryingAmountOfTheEquityComponentSettledInCashMinimum" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="instant"/>
  <xsd:element name="ExtraSpaceOfMontroseAvenueLLCMember" id="exr_ExtraSpaceOfMontroseAvenueLLCMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <xsd:element name="ExtraSpaceOfSacramentoOneLLCMember" id="exr_ExtraSpaceOfSacramentoOneLLCMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <xsd:element name="ESSStatutoryTrustIMember" id="exr_ESSStatutoryTrustIMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <xsd:element name="ESSStatutoryTrustIIMember" id="exr_ESSStatutoryTrustIIMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <xsd:element name="ESSStatutoryTrustIIIMember" id="exr_ESSStatutoryTrustIIIMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <xsd:element name="ESSBaltimoreLLCMember" id="exr_ESSBaltimoreLLCMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <xsd:element name="ScheduleOfRealEstatePropertyAcquisitionsTable" id="exr_ScheduleOfRealEstatePropertyAcquisitionsTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <xsd:element name="RealEstatePropertyAcquisitionsAxis" id="exr_RealEstatePropertyAcquisitionsAxis" type="xbrli:stringItemType" substitutionGroup="xbrldt:dimensionItem" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <xsd:element name="RealEstatePropertiesAcquisitionLineItems" id="exr_RealEstatePropertiesAcquisitionLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <xsd:element name="NumberOfRealEstatePropertiesAcquired" id="exr_NumberOfRealEstatePropertiesAcquired" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration"/>
  <xsd:element name="RealEstatePropertyAcquisitionAssetsAcquiredLiabilitiesAssumedNet" id="exr_RealEstatePropertyAcquisitionAssetsAcquiredLiabilitiesAssumedNet" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration"/>
  <xsd:element name="RealEstatePropertyAcquisitionPurchasePriceAllocationLand" id="exr_RealEstatePropertyAcquisitionPurchasePriceAllocationLand" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="instant"/>
  <xsd:element name="RealEstatePropertyAcquisitionPurchasePriceAllocationBuilding" id="exr_RealEstatePropertyAcquisitionPurchasePriceAllocationBuilding" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="instant"/>
  <xsd:element name="RealEstatePropertyAcquisitionClosingCostsExpensed" id="exr_RealEstatePropertyAcquisitionClosingCostsExpensed" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration"/>
  <xsd:element name="NumberOfCondominiumsHeldForSale" id="exr_NumberOfCondominiumsHeldForSale" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant"/>
  <xsd:element name="InterestRateCashFlowHedgeIncreaseDecreaseInInterestExpensesDueToInterestPayments" id="exr_InterestRateCashFlowHedgeIncreaseDecreaseInInterestExpensesDueToInterestPayments" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration"/>
  <xsd:element name="ScheduleOfDerivativeInstrumentsInterestPaymentsImpactOnInterestExpensesTableTextBlock" id="exr_ScheduleOfDerivativeInstrumentsInterestPaymentsImpactOnInterestExpensesTableTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration"/>
  <xsd:element name="FairValueAssetsAndLiabilitiesMeasuredOnNonrecurringBasisAbstract" id="exr_FairValueAssetsAndLiabilitiesMeasuredOnNonrecurringBasisAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <xsd:element name="GuaranteeObligationsEstimatedFairValueOfAssets" id="exr_GuaranteeObligationsEstimatedFairValueOfAssets" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="instant"/>
  <xsd:element name="VariableInterestEntityInterestInJointVenturesNumber" id="exr_VariableInterestEntityInterestInJointVenturesNumber" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant"/>
  <xsd:element name="EquityMethodInvestmentOwnershipPercentageLowEndOfRange" id="exr_EquityMethodInvestmentOwnershipPercentageLowEndOfRange" type="num:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant"/>
  <xsd:element name="EquityMethodInvestmentOwnershipPercentageHighEndOfRange" id="exr_EquityMethodInvestmentOwnershipPercentageHighEndOfRange" type="num:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant"/>
  <xsd:element name="VariableInterestEntityInterestInTrustNumber" id="exr_VariableInterestEntityInterestInTrustNumber" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant"/>
  <xsd:element name="VariableInterestEntityInTrustCarryingAmountOfLiabilitiesToMaximumLossExposureAbstract" id="exr_VariableInterestEntityInTrustCarryingAmountOfLiabilitiesToMaximumLossExposureAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <xsd:element name="VariableInterestEntityInTrustInvestmentAmount" id="exr_VariableInterestEntityInTrustInvestmentAmount" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="instant"/>
  <xsd:element name="NotesReceivableStatedInterestRate" id="exr_NotesReceivableStatedInterestRate" type="num:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration"/>
  <xsd:element name="NoncontrollingInterestConversionOfPreferredOperatingPartnershipUnitsBeforeMaturityOfLoanMaximum" id="exr_NoncontrollingInterestConversionOfPreferredOperatingPartnershipUnitsBeforeMaturityOfLoanMaximum" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration"/>
  <xsd:element name="NoncontrollingInterestInPreferredOperatingPartnershipUnitsFixedPriorityReturnAmount" id="exr_NoncontrollingInterestInPreferredOperatingPartnershipUnitsFixedPriorityReturnAmount" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="instant"/>
  <xsd:element name="AverageClosingMarketPriceMeasurementPeriod" id="exr_AverageClosingMarketPriceMeasurementPeriod" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant"/>
  <xsd:element name="CommonStockAverageClosingMarketPrice" id="exr_CommonStockAverageClosingMarketPrice" type="num:perShareItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant"/>
  <xsd:element name="OperatingPartnershipUnitsRedemptionAmount" id="exr_OperatingPartnershipUnitsRedemptionAmount" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration"/>
  <xsd:element name="BasisOfExchangeOperatingPartnershipUnitsForCommonStock" id="exr_BasisOfExchangeOperatingPartnershipUnitsForCommonStock" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration"/>
  <xsd:element name="RealEstatePropertyAcquisitionDomain" id="exr_RealEstatePropertyAcquisitionDomain" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <xsd:element name="NewYork1Property20100521Member" id="exr_NewYork1Property20100521Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <xsd:element name="Georgia3Properties20100617Member" id="exr_Georgia3Properties20100617Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <xsd:element name="UtahTexas2Properties20110401Member" id="exr_UtahTexas2Properties20110401Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <xsd:element name="California1Property20110407Member" id="exr_California1Property20110407Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <xsd:element name="Texas1Property201100415Member" id="exr_Texas1Property201100415Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <xsd:element name="Colorado1Property20110525Member" id="exr_Colorado1Property20110525Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <xsd:element name="Virginia1Property20110526Member" id="exr_Virginia1Property20110526Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <xsd:element name="NewJersey1Property20110602Member" id="exr_NewJersey1Property20110602Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <xsd:element name="Colorado1Property20110610Member" id="exr_Colorado1Property20110610Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <xsd:element name="VariableInterestsDisclosureTextBlock" id="exr_VariableInterestsDisclosureTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration"/>
  <xsd:element name="PreferredUnitsIssuedInExchangeAsPartOfAcquisition" id="exr_PreferredUnitsIssuedInExchangeAsPartOfAcquisition" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration"/>
  <xsd:element name="StockIssuedDuringPeriodPricePerShareNewIssues" id="exr_StockIssuedDuringPeriodPricePerShareNewIssues" type="num:perShareItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant"/>
  <xsd:element name="GrossProceedsFromIssuanceOfCommonStock" id="exr_GrossProceedsFromIssuanceOfCommonStock" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration"/>
  <xsd:element name="MinorityInterestDecreaseFromRedemptionsShares" id="exr_MinorityInterestDecreaseFromRedemptionsShares" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration"/>
  <xsd:element name="Nevada1Property201100622Member" id="exr_Nevada1Property201100622Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <xsd:element name="Tennessee1Property201100415Member" id="exr_Tennessee1Property201100415Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <xsd:element name="OhioIndianaKentucky15Properties20110627Member" id="exr_OhioIndianaKentucky15Properties20110627Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <xsd:element name="MinorityInterestDecreaseFromCashRedemptions" id="exr_MinorityInterestDecreaseFromCashRedemptions" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration"/>
  <xsd:element name="Maryland1Property20110708Member" id="exr_Maryland1Property20110708Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <xsd:element name="Maryland1Property20110801Member" id="exr_Maryland1Property20110801Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <xsd:element name="Texas1Property20110802Member" id="exr_Texas1Property20110802Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <xsd:element name="PaymentToAcquireAffiliatedJointVentureNotePayable" id="exr_PaymentToAcquireAffiliatedJointVentureNotePayable" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration"/>
  <xsd:element name="PercentageOfInterestOwnedInAffiliated" id="exr_PercentageOfInterestOwnedInAffiliated" type="num:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration"/>
  <xsd:element name="NewJersey1PropertyMember" id="exr_NewJersey1PropertyMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <xsd:element name="Florida1PropertyMember" id="exr_Florida1PropertyMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <xsd:element name="California19PropertyMember" id="exr_California19PropertyMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <xsd:element name="StorageAssociatesHoldcoLLCMember" id="exr_StorageAssociatesHoldcoLLCMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <xsd:element name="VariableInterestEntityJointVenturesWhichOwnSingleSelfStoragePropertyNumber" id="exr_VariableInterestEntityJointVenturesWhichOwnSingleSelfStoragePropertyNumber" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant"/>
  <xsd:element name="VariableInterestEntityJointVenturesNumberForWhichEntityGuaranteesMortgageNotesPayable" id="exr_VariableInterestEntityJointVenturesNumberForWhichEntityGuaranteesMortgageNotesPayable" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant"/>
  <xsd:element name="RedemptionOfOperatingPartnershipUnitsHeldByNoncontrollingInterestsForCommonStockAbstract" id="exr_RedemptionOfOperatingPartnershipUnitsHeldByNoncontrollingInterestsForCommonStockAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <xsd:element name="MinorityInterestDecreaseFromRedemptionsCommonStockAndPaidInCapital" id="exr_MinorityInterestDecreaseFromRedemptionsCommonStockAndPaidInCapital" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration"/>
  <xsd:element name="TaxEffectFromVestingOfRestrictedStockGrantsAndStockOptionExercisesAbstract" id="exr_TaxEffectFromVestingOfRestrictedStockGrantsAndStockOptionExercisesAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
  <xsd:element name="TaxEffectFromOtherAssets" id="exr_TaxEffectFromOtherAssets" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration"/>
</xsd:schema>
</XBRL>
