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        <ManagementAndGeneralAmt>626</ManagementAndGeneralAmt>
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      <OtherExpensesGrp>
        <Desc>HONORARIA</Desc>
        <TotalAmt>1100</TotalAmt>
        <ProgramServicesAmt>1100</ProgramServicesAmt>
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      <OtherExpensesGrp>
        <Desc>MISCELLANEOUS</Desc>
        <TotalAmt>379</TotalAmt>
        <ProgramServicesAmt>350</ProgramServicesAmt>
        <ManagementAndGeneralAmt>29</ManagementAndGeneralAmt>
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      <TotalFunctionalExpensesGrp>
        <TotalAmt>402616</TotalAmt>
        <ProgramServicesAmt>348198</ProgramServicesAmt>
        <ManagementAndGeneralAmt>54418</ManagementAndGeneralAmt>
        <FundraisingAmt>0</FundraisingAmt>
      </TotalFunctionalExpensesGrp>
      <SavingsAndTempCashInvstGrp>
        <BOYAmt>762104</BOYAmt>
        <EOYAmt>409315</EOYAmt>
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      <AccountsReceivableGrp>
        <BOYAmt>33413</BOYAmt>
        <EOYAmt>19525</EOYAmt>
      </AccountsReceivableGrp>
      <PrepaidExpensesDefrdChargesGrp>
        <BOYAmt>0</BOYAmt>
        <EOYAmt>2924</EOYAmt>
      </PrepaidExpensesDefrdChargesGrp>
      <LandBldgEquipCostOrOtherBssAmt>6500000</LandBldgEquipCostOrOtherBssAmt>
      <LandBldgEquipAccumDeprecAmt>0</LandBldgEquipAccumDeprecAmt>
      <LandBldgEquipBasisNetGrp>
        <BOYAmt>6500000</BOYAmt>
        <EOYAmt>6500000</EOYAmt>
      </LandBldgEquipBasisNetGrp>
      <InvestmentsPubTradedSecGrp>
        <BOYAmt>4035367</BOYAmt>
        <EOYAmt>4399816</EOYAmt>
      </InvestmentsPubTradedSecGrp>
      <TotalAssetsGrp>
        <BOYAmt>11330884</BOYAmt>
        <EOYAmt>11331580</EOYAmt>
      </TotalAssetsGrp>
      <AccountsPayableAccrExpnssGrp>
        <BOYAmt>25383</BOYAmt>
        <EOYAmt>28393</EOYAmt>
      </AccountsPayableAccrExpnssGrp>
      <GrantsPayableGrp>
        <BOYAmt>390000</BOYAmt>
        <EOYAmt>120000</EOYAmt>
      </GrantsPayableGrp>
      <MortgNotesPyblScrdInvstPropGrp>
        <BOYAmt>6500000</BOYAmt>
        <EOYAmt>6500000</EOYAmt>
      </MortgNotesPyblScrdInvstPropGrp>
      <TotalLiabilitiesGrp>
        <BOYAmt>6915383</BOYAmt>
        <EOYAmt>6648393</EOYAmt>
      </TotalLiabilitiesGrp>
      <OrganizationFollowsSFAS117Ind>X</OrganizationFollowsSFAS117Ind>
      <UnrestrictedNetAssetsGrp>
        <BOYAmt>4415501</BOYAmt>
        <EOYAmt>4683187</EOYAmt>
      </UnrestrictedNetAssetsGrp>
      <TotalNetAssetsFundBalanceGrp>
        <BOYAmt>4415501</BOYAmt>
        <EOYAmt>4683187</EOYAmt>
      </TotalNetAssetsFundBalanceGrp>
      <TotLiabNetAssetsFundBalanceGrp>
        <BOYAmt>11330884</BOYAmt>
        <EOYAmt>11331580</EOYAmt>
      </TotLiabNetAssetsFundBalanceGrp>
      <ReconcilationRevenueExpnssAmt>-56638</ReconcilationRevenueExpnssAmt>
      <NetUnrlzdGainsLossesInvstAmt>324324</NetUnrlzdGainsLossesInvstAmt>
      <OtherChangesInNetAssetsAmt>0</OtherChangesInNetAssetsAmt>
      <InfoInScheduleOPartXIIInd>X</InfoInScheduleOPartXIIInd>
      <MethodOfAccountingAccrualInd>X</MethodOfAccountingAccrualInd>
      <AccountantCompileOrReviewInd>1</AccountantCompileOrReviewInd>
      <AcctCompileOrReviewBasisGrp>
        <SeparateBasisFinclStmtInd>X</SeparateBasisFinclStmtInd>
      </AcctCompileOrReviewBasisGrp>
      <FSAuditedInd>0</FSAuditedInd>
      <AuditCommitteeInd>1</AuditCommitteeInd>
      <FederalGrantAuditRequiredInd>0</FederalGrantAuditRequiredInd>
    </IRS990>
    <IRS990ScheduleA documentId="RetDoc1039100001">
      <PublicOrganization170Ind>X</PublicOrganization170Ind>
      <GiftsGrantsContriRcvd170Grp>
        <CurrentTaxYearMinus4YearsAmt>6952654</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>2436011</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>832257</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>265361</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>94941</CurrentTaxYearAmt>
        <TotalAmt>10581224</TotalAmt>
      </GiftsGrantsContriRcvd170Grp>
      <TotalCalendarYear170Grp>
        <CurrentTaxYearMinus4YearsAmt>6952654</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>2436011</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>832257</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>265361</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>94941</CurrentTaxYearAmt>
        <TotalAmt>10581224</TotalAmt>
      </TotalCalendarYear170Grp>
      <SubstantialContributorsTotAmt>5267498</SubstantialContributorsTotAmt>
      <PublicSupportTotal170Amt>5313726</PublicSupportTotal170Amt>
      <GrossInvestmentIncome170Grp>
        <CurrentTaxYearMinus4YearsAmt>836103</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>877180</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>171487</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>227110</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>270255</CurrentTaxYearAmt>
        <TotalAmt>2382135</TotalAmt>
      </GrossInvestmentIncome170Grp>
      <OtherIncome170Grp>
        <CurrentTaxYearMinus4YearsAmt>116668</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>309941</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>41124</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>10875</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>141</CurrentTaxYearAmt>
        <TotalAmt>478749</TotalAmt>
      </OtherIncome170Grp>
      <TotalSupportAmt>13442108</TotalSupportAmt>
      <GrossReceiptsRltdActivitiesAmt>39575100</GrossReceiptsRltdActivitiesAmt>
      <PublicSupportCY170Pct>0.39530</PublicSupportCY170Pct>
      <PublicSupportPY170Pct>0.49740</PublicSupportPY170Pct>
      <ThirtyThrPctSuprtTestsCY170Ind>X</ThirtyThrPctSuprtTestsCY170Ind>
      <Form990ScheduleAPartVIGrp>
        <FormAndLineReferenceDesc>part II, line 10:</FormAndLineReferenceDesc>
        <ExplanationTxt>income from activities not regularly carried on.</ExplanationTxt>
      </Form990ScheduleAPartVIGrp>
      <Form990ScheduleAPartVIGrp>
        <FormAndLineReferenceDesc>Schedule A, Part II, Line 1:</FormAndLineReferenceDesc>
        <ExplanationTxt>THE CORCORAN RECEIVED AN UNUSUAL GRANT OF $10,000,000 DURING THE YEAR ENDED JUNE 30, 2014.</ExplanationTxt>
      </Form990ScheduleAPartVIGrp>
    </IRS990ScheduleA>
    <IRS990ScheduleB documentId="RetDoc1234500001">
      <ContributorInformationGrp>
        <ContributorNum>RESTRICTED</ContributorNum>
        <ContributorBusinessName>
          <BusinessNameLine1>RESTRICTED</BusinessNameLine1>
        </ContributorBusinessName>
        <ContributorUSAddress>
          <AddressLine1>RESTRICTED</AddressLine1>
          <AddressLine2>RESTRICTED</AddressLine2>
          <City>RESTRICTED</City>
          <State>RESTRICTED</State>
          <ZIPCode>RESTRICTED</ZIPCode>
        </ContributorUSAddress>
        <TotalContributionsAmt>RESTRICTED</TotalContributionsAmt>
      </ContributorInformationGrp>
    </IRS990ScheduleB>
    <IRS990ScheduleD documentId="RetDoc1040000001">
      <CollectionUsedPubExhibitionInd>X</CollectionUsedPubExhibitionInd>
      <CollUsedScholarlyRsrchInd>X</CollUsedScholarlyRsrchInd>
      <CollectionUsedPreservationInd>X</CollectionUsedPreservationInd>
      <SolicitedAssetsSaleInd>0</SolicitedAssetsSaleInd>
      <CYMinus2YrEndwmtFundGrp>
        <BeginningYearBalanceAmt>13215204</BeginningYearBalanceAmt>
        <OtherExpendituresAmt>13215204</OtherExpendituresAmt>
      </CYMinus2YrEndwmtFundGrp>
      <CYMinus3YrEndwmtFundGrp>
        <BeginningYearBalanceAmt>14071478</BeginningYearBalanceAmt>
        <ContributionsAmt>23472</ContributionsAmt>
        <InvestmentEarningsOrLossesAmt>713955</InvestmentEarningsOrLossesAmt>
        <OtherExpendituresAmt>1593701</OtherExpendituresAmt>
        <EndYearBalanceAmt>13215204</EndYearBalanceAmt>
      </CYMinus3YrEndwmtFundGrp>
      <CYMinus4YrEndwmtFundGrp>
        <BeginningYearBalanceAmt>19185774</BeginningYearBalanceAmt>
        <ContributionsAmt>4180579</ContributionsAmt>
        <InvestmentEarningsOrLossesAmt>153179</InvestmentEarningsOrLossesAmt>
        <OtherExpendituresAmt>9448054</OtherExpendituresAmt>
        <EndYearBalanceAmt>14071478</EndYearBalanceAmt>
      </CYMinus4YrEndwmtFundGrp>
      <LandGrp>
        <OtherCostOrOtherBasisAmt>4030000</OtherCostOrOtherBasisAmt>
        <BookValueAmt>4030000</BookValueAmt>
      </LandGrp>
      <BuildingsGrp>
        <OtherCostOrOtherBasisAmt>2470000</OtherCostOrOtherBasisAmt>
        <BookValueAmt>2470000</BookValueAmt>
      </BuildingsGrp>
      <TotalBookValueLandBuildingsAmt>6500000</TotalBookValueLandBuildingsAmt>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Part III, Line 1a:</FormAndLineReferenceDesc>
        <ExplanationTxt>Collection: The value of the collection has been excluded from the statements of financial position because the collection is (a) held for public exhibition, education, or research in furtherance of public service rather than financial gain; (b) are protected, kept unencumbered, cared for, and preserved; and (c) subject to an organizational policy that requires the proceeds of items that are sold to be used to acquire other items for collections. Only current year purchases and proceeds from sales are reflected in the statements of activities. The Corcoran established collection plans and a deaccessioning policy that conform to established museum standard guidelines. Included in these guidelines is a policy of the Corcoran that proceeds from the sale of any collection items are to be used to purchase additional collection items.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleD>
    <IRS990ScheduleO documentId="RetDoc1044400001">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section A, line 2</FormAndLineReferenceDesc>
        <ExplanationTxt>Harry Hopper and Frederick Knops - business relationship</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section A, line 3</FormAndLineReferenceDesc>
        <ExplanationTxt>MANAGEMENT DUTIES WERE DELEGATED TO MAXIMIZE. MAXIMIZE COMPENSATED DEBBIE FEINBERG, INTERIM VICE PRESIDENT OF FINANCE, FOR HER SERVICES FOR THE YEAR ENDED JUNE 30, 2017. HER COMPENSATION RECEIVED FOR THESE SERVICES WAS $24,000.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section B, line 11b</FormAndLineReferenceDesc>
        <ExplanationTxt>A draft copy of the complete return is sent to the Finance Committee of the Board of Trustees for review. All questions and comments raised by the Committee are addressed prior to submission to the IRS. Once the 990 has been filed, the Chairman of the Finance Committee reports to the Board that the review took place and that the form has been filed.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section B, line 12c</FormAndLineReferenceDesc>
        <ExplanationTxt>Board members shall not vote on, approve, or recommend any transaction in which they have an actual or potential conflict of interest. If they are present at a meeting of the Board or any Committee at which such a matter is considered, they must disqualify themselves from participating in the discussion and vote by excusing themselves from that portion of the meeting. In addition, Board members and Officers are required to complete a conflict of interest statement annually.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section C, line 19</FormAndLineReferenceDesc>
        <ExplanationTxt>All governing documents including the 990 are made available upon request.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part IX, line 11g</FormAndLineReferenceDesc>
        <ExplanationTxt>OTHER PROFESSIONAL SERVICES: Program service expenses 55,935. Management and general expenses 1,720. Fundraising expenses 0. Total expenses 57,655.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART XII, LINE 2C:</FormAndLineReferenceDesc>
        <ExplanationTxt>THE AUDIT OVERSIGHT PROCESS HAS REMAINED UNCHANGED FROM THE PREVIOUS YEAR.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
  </ReturnData>
</Return>