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        <ExclusionAmt>411425</ExclusionAmt>
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        <UnrelatedBusinessRevenueAmt>0</UnrelatedBusinessRevenueAmt>
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        <ProgramServicesAmt>3289</ProgramServicesAmt>
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        <ProgramServicesAmt>26091</ProgramServicesAmt>
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        <ProgramServicesAmt>27944</ProgramServicesAmt>
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        <ManagementAndGeneralAmt>6745</ManagementAndGeneralAmt>
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        <ManagementAndGeneralAmt>46500</ManagementAndGeneralAmt>
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        <ManagementAndGeneralAmt>88642</ManagementAndGeneralAmt>
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        <ManagementAndGeneralAmt>11429</ManagementAndGeneralAmt>
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        <ProgramServicesAmt>65006</ProgramServicesAmt>
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        <Desc>BUILDING MAINTENANCE CO</Desc>
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        <ProgramServicesAmt>961183</ProgramServicesAmt>
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      <OtherExpensesGrp>
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        <EOYAmt>122791</EOYAmt>
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        <BOYAmt>27576813</BOYAmt>
        <EOYAmt>30128640</EOYAmt>
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      <TotalNetAssetsFundBalanceGrp>
        <BOYAmt>27576813</BOYAmt>
        <EOYAmt>30128640</EOYAmt>
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      <TotLiabNetAssetsFundBalanceGrp>
        <BOYAmt>27760975</BOYAmt>
        <EOYAmt>30251431</EOYAmt>
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      <ReconcilationRevenueExpnssAmt>305592</ReconcilationRevenueExpnssAmt>
      <NetUnrlzdGainsLossesInvstAmt>2246235</NetUnrlzdGainsLossesInvstAmt>
      <OtherChangesInNetAssetsAmt>0</OtherChangesInNetAssetsAmt>
      <MethodOfAccountingAccrualInd>X</MethodOfAccountingAccrualInd>
      <AccountantCompileOrReviewInd>1</AccountantCompileOrReviewInd>
      <AcctCompileOrReviewBasisGrp>
        <ConsolidatedBasisFinclStmtInd>X</ConsolidatedBasisFinclStmtInd>
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        <CurrentTaxYearMinus2YearsAmt>265000</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>200000</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>300000</CurrentTaxYearAmt>
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      <GrossReceiptsAdmissionsGrp>
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        <CurrentTaxYearMinus1YearAmt>1719700</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>1784226</CurrentTaxYearAmt>
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      <GrossReceiptsNonUnrltBusGrp>
        <CurrentTaxYearMinus4YearsAmt>39023</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>24333</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>55634</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>95461</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>53794</CurrentTaxYearAmt>
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        <CurrentTaxYearMinus1YearAmt>342000</CurrentTaxYearMinus1YearAmt>
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        <CurrentTaxYearAmt>1073402</CurrentTaxYearAmt>
        <TotalAmt>4774029</TotalAmt>
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      <PublicSupportTotal509Amt>4921125</PublicSupportTotal509Amt>
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        <CurrentTaxYearAmt>471072</CurrentTaxYearAmt>
        <TotalAmt>1830109</TotalAmt>
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      <InvestmentIncomeAndUBTIGrp>
        <CurrentTaxYearMinus4YearsAmt>203542</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>356515</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>363049</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>435931</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>471072</CurrentTaxYearAmt>
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        <CurrentTaxYearAmt>2609092</CurrentTaxYearAmt>
        <TotalAmt>11525263</TotalAmt>
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      <PublicSupportCY509Pct>0.42700</PublicSupportCY509Pct>
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      <InvestmentIncomeCYPct>0.15880</InvestmentIncomeCYPct>
      <InvestmentIncomePYPct>0.14970</InvestmentIncomePYPct>
      <ThirtyThrPctSuprtTestsCY509Ind>X</ThirtyThrPctSuprtTestsCY509Ind>
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    <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>
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        <TotalContributionsAmt>RESTRICTED</TotalContributionsAmt>
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        <BookValueAmt>1458079</BookValueAmt>
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    <IRS990ScheduleI documentId="RetDoc1041900001">
      <GrantRecordsMaintainedInd>0</GrantRecordsMaintainedInd>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>VARIOUS TENANTS OF THE BUILDING</BusinessNameLine1Txt>
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        <CashGrantAmt>0</CashGrantAmt>
        <NonCashAssistanceAmt>1673831</NonCashAssistanceAmt>
        <ValuationMethodUsedDesc>Appraisal</ValuationMethodUsedDesc>
        <NonCashAssistanceDesc>Difference between market rental rates and rate charged to tenants.</NonCashAssistanceDesc>
        <PurposeOfGrantTxt>To provide below market rentals to nonprofit organizations.</PurposeOfGrantTxt>
      </RecipientTable>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>VARIOUS TENANTS OF THE BUILDING</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <CashGrantAmt>0</CashGrantAmt>
        <NonCashAssistanceAmt>1451988</NonCashAssistanceAmt>
        <ValuationMethodUsedDesc>Estimated FMV</ValuationMethodUsedDesc>
        <NonCashAssistanceDesc>Provision of parking for tenants.</NonCashAssistanceDesc>
        <PurposeOfGrantTxt>Parking is a necessary component of a rental for tenants. This is done as a service to tenants.</PurposeOfGrantTxt>
      </RecipientTable>
      <Total501c3OrgCnt>63</Total501c3OrgCnt>
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      <SupplementalNonqualRtrPlanInd>0</SupplementalNonqualRtrPlanInd>
      <EquityBasedCompArrngmInd>0</EquityBasedCompArrngmInd>
      <CompBasedOnRevenueOfFlngOrgInd>0</CompBasedOnRevenueOfFlngOrgInd>
      <CompBsdOnRevRelatedOrgsInd>0</CompBsdOnRevRelatedOrgsInd>
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      <CompBsdNetEarnsRltdOrgsInd>0</CompBsdNetEarnsRltdOrgsInd>
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        <TitleTxt>EXECUTIVE DIRECTOR</TitleTxt>
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        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
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        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section A, line 2</FormAndLineReferenceDesc>
        <ExplanationTxt>Ms. Stecker and Mr. du Pont are employed by the same organization. Mr. Grundner and Ms. Sommers are employed by the same organization.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section A, line 7a</FormAndLineReferenceDesc>
        <ExplanationTxt>Longwood Foundation has the authority to appoint two members; Welfare Foundation has the authority to appoint two members; Crestlea Foundation has the authority to appoint one member; United Way of Delaware has the authority to appoint 1 member; The CSB Tenants Council has the authority to appoint one member, and the President of the CSB Tenants' Council is automatically appointed.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section B, line 11b</FormAndLineReferenceDesc>
        <ExplanationTxt>Form 990 is reviewed by the Executive Director and approved by the Executive Director and Board of Directors.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section B, line 12c</FormAndLineReferenceDesc>
        <ExplanationTxt>Board members are required annually to sign conflict of interest statements and disclose any known or potential conflicts of interest in these statements.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section B, line 15</FormAndLineReferenceDesc>
        <ExplanationTxt>The executive director's annual compensation is reviewed annually and approved by the Board of Directors.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
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        <ExplanationTxt>Governing documents and financial statements are held with the Corporation and are available upon request.</ExplanationTxt>
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          <StateAbbreviationCd>DE</StateAbbreviationCd>
          <ZIPCd>19801</ZIPCd>
        </USAddress>
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        <PrimaryActivitiesTxt>Make contributions to Community Service Building Corporation</PrimaryActivitiesTxt>
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      <IdRelatedTaxExemptOrgGrp>
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          <AddressLine1Txt>100 West 10th St Suite 1109</AddressLine1Txt>
          <CityNm>Wilmington</CityNm>
          <StateAbbreviationCd>DE</StateAbbreviationCd>
          <ZIPCd>19801</ZIPCd>
        </USAddress>
        <EIN>510066734</EIN>
        <PrimaryActivitiesTxt>Provides grants to other nonprofit organizations</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>DE</LegalDomicileStateCd>
        <ExemptCodeSectionTxt>501(c)(3)</ExemptCodeSectionTxt>
        <PublicCharityStatusTxt>Exempt private found</PublicCharityStatusTxt>
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      </IdRelatedTaxExemptOrgGrp>
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      <GiftGrntOrCapContriToOthOrgInd>0</GiftGrntOrCapContriToOthOrgInd>
      <GiftGrntCapContriFromOthOrgInd>1</GiftGrntCapContriFromOthOrgInd>
      <LoansOrGuaranteesToOtherOrgInd>0</LoansOrGuaranteesToOtherOrgInd>
      <LoansOrGuaranteesFromOthOrgInd>0</LoansOrGuaranteesFromOthOrgInd>
      <DivRelatedOrganizationInd>0</DivRelatedOrganizationInd>
      <AssetSaleToOtherOrgInd>0</AssetSaleToOtherOrgInd>
      <AssetPurchaseFromOtherOrgInd>0</AssetPurchaseFromOtherOrgInd>
      <AssetExchangeInd>0</AssetExchangeInd>
      <RentalOfFacilitiesToOthOrgInd>1</RentalOfFacilitiesToOthOrgInd>
      <RentalOfFcltsFromOthOrgInd>0</RentalOfFcltsFromOthOrgInd>
      <PerformOfServicesForOthOrgInd>0</PerformOfServicesForOthOrgInd>
      <PerformOfServicesByOtherOrgInd>0</PerformOfServicesByOtherOrgInd>
      <SharingOfFacilitiesInd>1</SharingOfFacilitiesInd>
      <PaidEmployeesSharingInd>1</PaidEmployeesSharingInd>
      <ReimbursementPaidToOtherOrgInd>0</ReimbursementPaidToOtherOrgInd>
      <ReimbursementPaidByOtherOrgInd>0</ReimbursementPaidByOtherOrgInd>
      <TransferToOtherOrgInd>0</TransferToOtherOrgInd>
      <TransferFromOtherOrgInd>0</TransferFromOtherOrgInd>
      <TransactionsRelatedOrgGrp>
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          <BusinessNameLine1Txt>Community Service Foundation</BusinessNameLine1Txt>
        </OtherOrganizationName>
        <TransactionTypeTxt>C</TransactionTypeTxt>
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        <MethodOfAmountDeterminationTxt>FMV - Cash Transfer</MethodOfAmountDeterminationTxt>
      </TransactionsRelatedOrgGrp>
      <TransactionsRelatedOrgGrp>
        <OtherOrganizationName>
          <BusinessNameLine1Txt>Longwood Foundation</BusinessNameLine1Txt>
        </OtherOrganizationName>
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        <MethodOfAmountDeterminationTxt>Market Rate</MethodOfAmountDeterminationTxt>
      </TransactionsRelatedOrgGrp>
      <TransactionsRelatedOrgGrp>
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          <BusinessNameLine1Txt>Community Service Foundation</BusinessNameLine1Txt>
        </OtherOrganizationName>
        <TransactionTypeTxt>N</TransactionTypeTxt>
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      </TransactionsRelatedOrgGrp>
      <TransactionsRelatedOrgGrp>
        <OtherOrganizationName>
          <BusinessNameLine1Txt>Community Service Foundation</BusinessNameLine1Txt>
        </OtherOrganizationName>
        <TransactionTypeTxt>O</TransactionTypeTxt>
        <MethodOfAmountDeterminationTxt>Not readily determinable</MethodOfAmountDeterminationTxt>
      </TransactionsRelatedOrgGrp>
    </IRS990ScheduleR>
  </ReturnData>
</Return>