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  <element name="NoncontrollingInterestInPreferredOperatingPartnershipUnitsFixedPriorityReturnAmount" id="exr_NoncontrollingInterestInPreferredOperatingPartnershipUnitsFixedPriorityReturnAmount" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="NoncontrollingInterestInPreferredOperatingPartnershipUnitsFixedPriorityReturnRedemptionValue" id="exr_NoncontrollingInterestInPreferredOperatingPartnershipUnitsFixedPriorityReturnRedemptionValue" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="NoncontrollingInterestInPreferredOperatingPartnershipUnitsFixedPriorityReturnStatedRateOfReturn" id="exr_NoncontrollingInterestInPreferredOperatingPartnershipUnitsFixedPriorityReturnStatedRateOfReturn" type="num:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="NoncontrollingInterestInPreferredOperatingPartnershipUnitsLiquidationValuePerUnit" id="exr_NoncontrollingInterestInPreferredOperatingPartnershipUnitsLiquidationValuePerUnit" type="num:perShareItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="NoncontrollingInterestInPreferredOperatingPartnershipUnitsNumberOfPeriodsImmediatelyPrecedingFifthAnniversaryOfIssuanceAveragedForFutureDistributions" id="exr_NoncontrollingInterestInPreferredOperatingPartnershipUnitsNumberOfPeriodsImmediatelyPrecedingFifthAnniversaryOfIssuanceAveragedForFutureDistributions" type="xbrli:durationItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="NoncontrollingInterestInPreferredOperatingPartnershipUnitsOutstandingValue" id="exr_NoncontrollingInterestInPreferredOperatingPartnershipUnitsOutstandingValue" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="NoncontrollingInterestInPreferredOperatingPartnershipUnitsPeriodFromDateOfIssuanceAfterWhichUnitsBecomeConvertible" id="exr_NoncontrollingInterestInPreferredOperatingPartnershipUnitsPeriodFromDateOfIssuanceAfterWhichUnitsBecomeConvertible" type="xbrli:durationItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="NoncontrollingInterestInPreferredOperatingPartnershipUnitsPeriodFromDateOfIssuanceAfterWhichUnitsBecomeRedeemable" id="exr_NoncontrollingInterestInPreferredOperatingPartnershipUnitsPeriodFromDateOfIssuanceAfterWhichUnitsBecomeRedeemable" type="xbrli:durationItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="NoncontrollingInterestInPreferredOperatingPartnershipUnitsQuarterlyDistributionPerUnitPayableAboveQuarterlyDistributionForCommonOperatingPartnershipUnit" id="exr_NoncontrollingInterestInPreferredOperatingPartnershipUnitsQuarterlyDistributionPerUnitPayableAboveQuarterlyDistributionForCommonOperatingPartnershipUnit" type="num:perShareItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="NonControllingInterestOtherMember" id="exr_NonControllingInterestOtherMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="NorthCarolinaSouthCarolinaTwoPropertyMarchThirtyTwoThousandAndFifteenMember" id="exr_NorthCarolinaSouthCarolinaTwoPropertyMarchThirtyTwoThousandAndFifteenMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="NotesPayableToTrusts" id="exr_NotesPayableToTrusts" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="NotesReceivableMaturityDate" id="exr_NotesReceivableMaturityDate" type="xbrli:dateItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="NotesReceivableStatedInterestRate" id="exr_NotesReceivableStatedInterestRate" type="num:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="NumberOfCommonUnitsIssuedAsPartOfAcquisition" id="exr_NumberOfCommonUnitsIssuedAsPartOfAcquisition" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="NumberOfPreferredOperatingPartnershipUnits" id="exr_NumberOfPreferredOperatingPartnershipUnits" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="NumberOfPropertiesOwnedByJointVenture" id="exr_NumberOfPropertiesOwnedByJointVenture" type="xbrli:integerItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="NumberOfPropertiesSoldByJointVenture" id="exr_NumberOfPropertiesSoldByJointVenture" type="xbrli:integerItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="NumberOfRealEstatePropertiesAcquired" id="exr_NumberOfRealEstatePropertiesAcquired" type="xbrli:integerItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="NumberOfRealEstatePropertiesFranchiseesAndOthers" id="exr_NumberOfRealEstatePropertiesFranchiseesAndOthers" type="xbrli:integerItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="NumberOfRealEstatePropertiesOwnedAndOrManaged" id="exr_NumberOfRealEstatePropertiesOwnedAndOrManaged" type="xbrli:integerItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="NumberOfSelfStorageFacilitiesAcquired" id="exr_NumberOfSelfStorageFacilitiesAcquired" type="xbrli:positiveIntegerItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="NumberOfSelfStoragePropertiesAcquiredInPortfolio" id="exr_NumberOfSelfStoragePropertiesAcquiredInPortfolio" type="xbrli:integerItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="NumberOfSelfStoragePropertiesInWhichOwnershipInterestWasHeldPriorToAcquisition" id="exr_NumberOfSelfStoragePropertiesInWhichOwnershipInterestWasHeldPriorToAcquisition" type="xbrli:integerItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="NumberOfSelfStoragePropertiesInWhichOwnershipInterestWasHeldPriorToAcquisitionOfRemainingProperties" id="exr_NumberOfSelfStoragePropertiesInWhichOwnershipInterestWasHeldPriorToAcquisitionOfRemainingProperties" type="xbrli:integerItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="NumberOfSelfStoragePropertiesInWhichOwnershipInterestWasHeldThroughJointVentures" id="exr_NumberOfSelfStoragePropertiesInWhichOwnershipInterestWasHeldThroughJointVentures" type="xbrli:integerItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="NumberOfStoresScheduledToBeClosed" id="exr_NumberOfStoresScheduledToBeClosed" type="xbrli:integerItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="OperatingPartnershipUnitsRedemptionAmount" id="exr_OperatingPartnershipUnitsRedemptionAmount" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="OperatingPartnershipUnitsRedemptionNumber" id="exr_OperatingPartnershipUnitsRedemptionNumber" type="xbrli:integerItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="OrganizationConsolidationAndPresentationOfFinancialStatementsLineItems" id="exr_OrganizationConsolidationAndPresentationOfFinancialStatementsLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="OrganizationConsolidationAndPresentationOfFinancialStatementsTable" id="exr_OrganizationConsolidationAndPresentationOfFinancialStatementsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem"/>
  <element name="PartnersCapitalAccountAdditionalUnitsRedeemed" id="exr_PartnersCapitalAccountAdditionalUnitsRedeemed" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="PercentageGainOnSaleOfPropertyByJointVenture" id="exr_PercentageGainOnSaleOfPropertyByJointVenture" type="num:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="PreferredOperatingPartnershipUnitsAmountToBeSettledInCashMinimum" id="exr_PreferredOperatingPartnershipUnitsAmountToBeSettledInCashMinimum" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="PreferredOperatingPartnershipUnitsMember" id="exr_PreferredOperatingPartnershipUnitsMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="PreferredUnitsIssuedAsPartOfAcquisition" id="exr_PreferredUnitsIssuedAsPartOfAcquisition" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="PreferredUnitsIssuedAsPartOfAcquisitionAmount" id="exr_PreferredUnitsIssuedAsPartOfAcquisitionAmount" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="ProceedsFromNotesPayableAndLinesOfCredit" id="exr_ProceedsFromNotesPayableAndLinesOfCredit" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="PropertyAcquisitionAndDispositionsTable" id="exr_PropertyAcquisitionAndDispositionsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem"/>
  <element name="PropertyManagementAcquisitionAndDevelopmentMember" id="exr_PropertyManagementAcquisitionAndDevelopmentMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="PropertyPlantAndEquipmentUsefulLifeAndValuesAbstract" id="exr_PropertyPlantAndEquipmentUsefulLifeAndValuesAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="RealEstateConsolidatedJoinVenturesNumber" id="exr_RealEstateConsolidatedJoinVenturesNumber" type="xbrli:integerItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="RealEstatePropertiesAcquisitionLineItems" id="exr_RealEstatePropertiesAcquisitionLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="RealEstatePropertyAcquisitionAssetsAcquiredLiabilitiesAssumedNet" id="exr_RealEstatePropertyAcquisitionAssetsAcquiredLiabilitiesAssumedNet" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="RealEstatePropertyAcquisitionClosingCostsExpensed" id="exr_RealEstatePropertyAcquisitionClosingCostsExpensed" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="RealEstatePropertyAcquisitionNotesReceivableEliminatedDueToAcquisitionOfJointVenturePartnerInterest" id="exr_RealEstatePropertyAcquisitionNotesReceivableEliminatedDueToAcquisitionOfJointVenturePartnerInterest" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="RealEstatePropertyAcquisitionPreviousEquityInterest" id="exr_RealEstatePropertyAcquisitionPreviousEquityInterest" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="RealEstatePropertyAcquisitionPurchasePriceAllocationBuilding" id="exr_RealEstatePropertyAcquisitionPurchasePriceAllocationBuilding" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="RealEstatePropertyAcquisitionPurchasePriceAllocationLand" id="exr_RealEstatePropertyAcquisitionPurchasePriceAllocationLand" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="ReceivableEliminatedDueToAcquisitionOfJointVenturePartnerInterest" id="exr_ReceivableEliminatedDueToAcquisitionOfJointVenturePartnerInterest" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="RedemptionPriceOfDebtAsPercentageOfPrincipalAmountAtRequestOfDebtHolders" id="exr_RedemptionPriceOfDebtAsPercentageOfPrincipalAmountAtRequestOfDebtHolders" type="num:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="RentalOperationsMember" id="exr_RentalOperationsMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="RentalRevenueMember" id="exr_RentalRevenueMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="ScheduleOfDerivativeInstrumentsInterestPaymentsImpactOnInterestExpensesTableTextBlock" id="exr_ScheduleOfDerivativeInstrumentsInterestPaymentsImpactOnInterestExpensesTableTextBlock" type="nonnum:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="ScheduleOfInterestAndAmortizationDiscountCostTableTextBlock" id="exr_ScheduleOfInterestAndAmortizationDiscountCostTableTextBlock" type="nonnum:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="ScheduleOfResultsRelatedToEquityAccountedInvesteesLineItems" id="exr_ScheduleOfResultsRelatedToEquityAccountedInvesteesLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="SelfStorageFacilityMember" id="exr_SelfStorageFacilityMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="SeriesAParticipatingRedeemablePreferredUnitsMember" id="exr_SeriesAParticipatingRedeemablePreferredUnitsMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="SeriesAPreferredOperatingPartnershipMember" id="exr_SeriesAPreferredOperatingPartnershipMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="SeriesAUnitsMember" id="exr_SeriesAUnitsMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="SeriesBPreferredOperatingPartnershipMember" id="exr_SeriesBPreferredOperatingPartnershipMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="SeriesBRedeemablePreferredUnitsMember" id="exr_SeriesBRedeemablePreferredUnitsMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="SeriesBUnitsMember" id="exr_SeriesBUnitsMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="SeriesCConvertibleRedeemablePreferredUnitsMember" id="exr_SeriesCConvertibleRedeemablePreferredUnitsMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="SeriesCPreferredOperatingPartnershipMember" id="exr_SeriesCPreferredOperatingPartnershipMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="SeriesCUnitsMember" id="exr_SeriesCUnitsMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="SeriesDPreferredOperatingPartnershipMember" id="exr_SeriesDPreferredOperatingPartnershipMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="SeriesDRedeemablePreferredUnitsMember" id="exr_SeriesDRedeemablePreferredUnitsMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="SeriesDUnitsMember" id="exr_SeriesDUnitsMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="TenantReinsuranceExpense" id="exr_TenantReinsuranceExpense" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="TenantReinsuranceMember" id="exr_TenantReinsuranceMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="TexasOnePropertyFebruaryTwentyFourTwoThousandAndFifteenMember" id="exr_TexasOnePropertyFebruaryTwentyFourTwoThousandAndFifteenMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="TexasThreePropertyJanuaryThirteenTwoThousandAndFifteenMember" id="exr_TexasThreePropertyJanuaryThirteenTwoThousandAndFifteenMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="VariableInterestEntityInterestInConsolidatedJointVenturesNumber" id="exr_VariableInterestEntityInterestInConsolidatedJointVenturesNumber" type="xbrli:integerItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="VariableInterestEntityInterestInTrustNumber" id="exr_VariableInterestEntityInterestInTrustNumber" type="xbrli:integerItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="VariableInterestEntityNotPrimaryBeneficiaryComparisonOfCarryingAmountOfLiabilitiesToMaximumLossExposureTableTextBlock" id="exr_VariableInterestEntityNotPrimaryBeneficiaryComparisonOfCarryingAmountOfLiabilitiesToMaximumLossExposureTableTextBlock" type="nonnum:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="VariableInterestsAndEquityMethodInvestmentsDisclosureAbstract" id="exr_VariableInterestsAndEquityMethodInvestmentsDisclosureAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="VirginiaOnePropertyMarchSeventeenTwoThousandAndFifteenMember" id="exr_VirginiaOnePropertyMarchSeventeenTwoThousandAndFifteenMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="WrittenNoticeRequiredForRedemptionPeriod" id="exr_WrittenNoticeRequiredForRedemptionPeriod" type="xbrli:durationItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
</schema>
