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| IRS990/AccountsPayableAccrExpnssGrp/EOYAmt | 0 | 431612 |
| IRS990/AccountsReceivableGrp/BOYAmt | 0 | 123185 |
| IRS990/AccountsReceivableGrp/EOYAmt | 0 | 81093 |
| IRS990/ActivitiesConductedPrtshpInd | 0 | 0 |
| IRS990/ActivityOrMissionDesc | 0 | TO PROVIDE HOUSING FOR LOW AND MODERATE INCOME FAMILIES. |
| IRS990/AnnualDisclosureCoveredPrsnInd | 0 | 1 |
| IRS990/AuditCommitteeInd | 0 | 0 |
| IRS990/BooksInCareOfDetail/BusinessName/BusinessNameLine1Txt | 0 | THE WAVECREST MANAGEMENT TEAM LTD |
| IRS990/BooksInCareOfDetail/PhoneNum | 0 | 7184631200 |
| IRS990/BooksInCareOfDetail/USAddress/AddressLine1Txt | 0 | 8714 116TH STREET |
| IRS990/BooksInCareOfDetail/USAddress/CityNm | 0 | RICHMOND HILL |
| IRS990/BooksInCareOfDetail/USAddress/StateAbbreviationCd | 0 | NY |
| IRS990/BooksInCareOfDetail/USAddress/ZIPCd | 0 | 11418 |
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| IRS990/BusinessRlnWithOfficerEntInd | 0 | 0 |
| IRS990/BusinessRlnWithOrgMemInd | 0 | 0 |
| IRS990/CashNonInterestBearingGrp/BOYAmt | 0 | 23953 |
| IRS990/CashNonInterestBearingGrp/EOYAmt | 0 | 67965 |
| IRS990/ChangeToOrgDocumentsInd | 0 | 0 |
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| IRS990/CompensationFromOtherSrcsInd | 0 | 0 |
| IRS990/CompensationProcessCEOInd | 0 | 0 |
| IRS990/CompensationProcessOtherInd | 0 | 0 |
| IRS990/ConflictOfInterestPolicyInd | 0 | 1 |
| IRS990/ConservationEasementsInd | 0 | 0 |
| IRS990/ConsolidatedAuditFinclStmtInd | 0 | 0 |
| IRS990/ContractorCompensationGrp/CompensationAmt | 0 | 142442 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/AddressLine1Txt | 0 | 87-14 116TH STREET |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/CityNm | 0 | RICHMOND HILL |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/StateAbbreviationCd | 0 | NY |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/ZIPCd | 0 | 11418 |
| IRS990/ContractorCompensationGrp/ContractorName/BusinessName/BusinessNameLine1Txt | 0 | WAVECREST PROPERTY MANAGEMENT |
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| IRS990/CYOtherRevenueAmt | 0 | 9461 |
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| IRS990/CYTotalProfFndrsngExpnsAmt | 0 | 0 |
| IRS990/CYTotalRevenueAmt | 0 | 2823888 |
| IRS990/DecisionsSubjectToApprovaInd | 0 | 0 |
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| IRS990/DeductibleNonCashContriInd | 0 | 0 |
| IRS990/DelegationOfMgmtDutiesInd | 0 | 1 |
| IRS990/DepreciationDepletionGrp/ProgramServicesAmt | 0 | 269289 |
| IRS990/DepreciationDepletionGrp/TotalAmt | 0 | 269289 |
| IRS990/Desc | 0 | THE MAINTENANCE OF AN AFFORDABLE MULTIFAMILY HOUSING DEVELOPMENT WHICH RECEIVES SECTION 8 ASSISTANCE FROM THE UNITED STATES DEPARTMENT OF HOUSING ("HUD"). THE QUALITY OF SUCH HOUSING HAS RECENTLY BEEN IMPROVED BY THE REHABILITATION OF ALL THE HOUSING UNITS IN THE MULTIFAMILY HOUSING DEVELOPMENT UTILIZING PRIVATE FINANCING INSURED BY HUD. |
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| IRS990/DisregardedEntityInd | 0 | 0 |
| IRS990/DocumentRetentionPolicyInd | 0 | 1 |
| IRS990/DonorAdvisedFundInd | 0 | 0 |
| IRS990/ElectionOfBoardMembersInd | 0 | 0 |
| IRS990/EmployeeCnt | 0 | 7 |
| IRS990/EmploymentTaxReturnsFiledInd | 0 | 1 |
| IRS990/EngagedInExcessBenefitTransInd | 0 | 0 |
| IRS990/EscrowAccountLiabilityGrp/BOYAmt | 0 | 60321 |
| IRS990/EscrowAccountLiabilityGrp/EOYAmt | 0 | 58465 |
| IRS990/ExpenseAmt | 0 | 2712321 |
| IRS990/FamilyOrBusinessRlnInd | 0 | 0 |
| IRS990/FederalGrantAuditPerformedInd | 0 | 1 |
| IRS990/FederalGrantAuditRequiredInd | 0 | 1 |
| IRS990/FeesForServicesAccountingGrp/ManagementAndGeneralAmt | 0 | 29338 |
| IRS990/FeesForServicesAccountingGrp/TotalAmt | 0 | 29338 |
| IRS990/FeesForServicesLegalGrp/ManagementAndGeneralAmt | 0 | 32406 |
| IRS990/FeesForServicesLegalGrp/TotalAmt | 0 | 32406 |
| IRS990/FeesForServicesManagementGrp/ManagementAndGeneralAmt | 0 | 144556 |
| IRS990/FeesForServicesManagementGrp/TotalAmt | 0 | 144556 |
| IRS990/FeesForServicesOtherGrp/ManagementAndGeneralAmt | 0 | 2218 |
| IRS990/FeesForServicesOtherGrp/ProgramServicesAmt | 0 | 43840 |
| IRS990/FeesForServicesOtherGrp/TotalAmt | 0 | 46058 |
| IRS990/ForeignActivitiesInd | 0 | 0 |
| IRS990/ForeignFinancialAccountInd | 0 | 0 |
| IRS990/ForeignOfficeInd | 0 | 0 |
| IRS990/Form8282PropertyDisposedOfInd | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 0 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 1 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 2 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 3 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 0 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 1 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 2 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 3 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 0 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 1 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 2 | X |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 1 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 2 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 3 | 0 |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 0 | DR STEPHEN W POGUE |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 1 | RODNEY OLDEN |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 2 | LOIS COLEMAN |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 3 | MAURICE SMITH |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 1 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 2 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 3 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 1 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 2 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 3 | 0 |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 0 | CHAIRMAN |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 1 | TREASURER |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 2 | SECRETARY |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 3 | MEMBER |
| IRS990/Form990ProvidedToGvrnBodyInd | 0 | 1 |
| IRS990/FormationYr | 0 | 1971 |
| IRS990/FormerOfcrEmployeesListedInd | 0 | 0 |
| IRS990/FSAuditedBasisGrp/SeparateBasisFinclStmtInd | 0 | X |
| IRS990/FSAuditedInd | 0 | 1 |
| IRS990/FundraisingActivitiesInd | 0 | 0 |
| IRS990/GamingActivitiesInd | 0 | 0 |
| IRS990/GoverningBodyVotingMembersCnt | 0 | 4 |
| IRS990/GrantsToIndividualsInd | 0 | 0 |
| IRS990/GrantsToOrganizationsInd | 0 | 0 |
| IRS990/GrantToRelatedPersonInd | 0 | 0 |
| IRS990/GrossReceiptsAmt | 0 | 2823888 |
| IRS990/GroupReturnForAffiliatesInd | 0 | 0 |
| IRS990/IncludeFIN48FootnoteInd | 0 | 1 |
| IRS990/IndependentAuditFinclStmtInd | 0 | 1 |
| IRS990/IndependentVotingMemberCnt | 0 | 4 |
| IRS990/IndivRcvdGreaterThan100KCnt | 0 | 0 |
| IRS990/IndoorTanningServicesInd | 0 | 0 |
| IRS990/InfoInScheduleOPartIIIInd | 0 | X |
| IRS990/InfoInScheduleOPartVIInd | 0 | X |
| IRS990/InformationTechnologyGrp/ProgramServicesAmt | 0 | 2872 |
| IRS990/InformationTechnologyGrp/TotalAmt | 0 | 2872 |
| IRS990/InsuranceGrp/ProgramServicesAmt | 0 | 211825 |
| IRS990/InsuranceGrp/TotalAmt | 0 | 211825 |
| IRS990/InvestmentIncomeGrp/ExclusionAmt | 0 | 655 |
| IRS990/InvestmentIncomeGrp/TotalRevenueColumnAmt | 0 | 655 |
| IRS990/InvestmentInJointVentureInd | 0 | 0 |
| IRS990/IRPDocumentCnt | 0 | 2 |
| IRS990/IRPDocumentW2GCnt | 0 | 0 |
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| IRS990/LandBldgEquipBasisNetGrp/BOYAmt | 0 | 11421722 |
| IRS990/LandBldgEquipBasisNetGrp/EOYAmt | 0 | 11159208 |
| IRS990/LandBldgEquipCostOrOtherBssAmt | 0 | 17212173 |
| IRS990/LegalDomicileStateCd | 0 | NY |
| IRS990/LoanOutstandingInd | 0 | 0 |
| IRS990/LobbyingActivitiesInd | 0 | 0 |
| IRS990/LocalChaptersInd | 0 | 0 |
| IRS990/MaterialDiversionOrMisuseInd | 0 | 0 |
| IRS990/MembersOrStockholdersInd | 0 | 0 |
| IRS990/MethodOfAccountingAccrualInd | 0 | X |
| IRS990/MinutesOfCommitteesInd | 0 | 0 |
| IRS990/MinutesOfGoverningBodyInd | 0 | 0 |
| IRS990/MiscellaneousRevenueGrp/ExclusionAmt | 0 | 352 |
| IRS990/MiscellaneousRevenueGrp/TotalRevenueColumnAmt | 0 | 352 |
| IRS990/MissionDesc | 0 | GREATER CENTENNIAL HOMES HOUSING DEVELOPMENT FUND COMPANY, INC., (THE "PROJECT") WAS INCORPORATED IN JULY 1971, AS A NOT-FOR-PROFIT CORPORATION, INCORPORATED UNDER THE LAWS OF THE STATE OF NEW YORK. (FOR CONTINUATION OF MISSION STATEMENT - SEE SCHEDULE O). THE PROJECT IS SPONSORED BY THE GREATER CENTENNIAL A.M.E. ZION CHURCH OF THE CITY OF MOUNT VERNON. THE PRINCIPAL PURPOSE OF THE PROJECT IS TO PROVIDE HOUSING FOR LOW AND MODERATE INCOME FAMILIES AND TO DEMONSTRATE A CONTINUING COMMITMENT TO MANAGING AND PRESERVING A VIABLE SOURCE OF QUALITY AFFORDABLE HOUSING IN MT. VERNON. |
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| IRS990/MoreThan5000KToOrgInd | 0 | 0 |
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| IRS990/NetAssetsOrFundBalancesEOYAmt | 0 | -1259928 |
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| IRS990/OccupancyGrp/TotalAmt | 0 | 1668444 |
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| IRS990/OfficeExpensesGrp/ProgramServicesAmt | 0 | 18345 |
| IRS990/OfficeExpensesGrp/TotalAmt | 0 | 38745 |
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| IRS990/Organization501c3Ind | 0 | X |
| IRS990/OrganizationFollowsSFAS117Ind | 0 | X |
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| IRS990/OtherAssetsTotalGrp/EOYAmt | 0 | 583745 |
| IRS990/OtherChangesInNetAssetsAmt | 0 | 0 |
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| IRS990/OtherEmployeeBenefitsGrp/TotalAmt | 0 | 112854 |
| IRS990/OtherExpensesGrp/Desc | 0 | OPERATING & MAINTENANCE |
| IRS990/OtherExpensesGrp/Desc | 1 | MISCELLANEOUS EXPENSES |
| IRS990/OtherExpensesGrp/Desc | 2 | BAD DEBT EXPENSE |
| IRS990/OtherExpensesGrp/Desc | 3 | ADMINISTRATIVE RENT FRE |
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| IRS990/OtherExpensesGrp/ProgramServicesAmt | 1 | 15045 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 2 | 13804 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 3 | 9768 |
| IRS990/OtherExpensesGrp/TotalAmt | 0 | 43867 |
| IRS990/OtherExpensesGrp/TotalAmt | 1 | 15045 |
| IRS990/OtherExpensesGrp/TotalAmt | 2 | 13804 |
| IRS990/OtherExpensesGrp/TotalAmt | 3 | 9768 |
| IRS990/OtherRevenueMiscGrp/BusinessCd | 0 | 812300 |
| IRS990/OtherRevenueMiscGrp/BusinessCd | 1 | 900099 |
| IRS990/OtherRevenueMiscGrp/BusinessCd | 2 | 900099 |
| IRS990/OtherRevenueMiscGrp/Desc | 0 | LAUNDRY INCOME |
| IRS990/OtherRevenueMiscGrp/Desc | 1 | FORFEITED SECURITY DEP |
| IRS990/OtherRevenueMiscGrp/Desc | 2 | AIR CONDITIONING FEE |
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| IRS990/OtherRevenueMiscGrp/ExclusionAmt | 1 | 2166 |
| IRS990/OtherRevenueMiscGrp/ExclusionAmt | 2 | 943 |
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| IRS990/OtherRevenueMiscGrp/TotalRevenueColumnAmt | 1 | 2166 |
| IRS990/OtherRevenueMiscGrp/TotalRevenueColumnAmt | 2 | 943 |
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| IRS990/OtherWebsiteInd | 0 | X |
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| IRS990/PayrollTaxesGrp/ProgramServicesAmt | 0 | 31195 |
| IRS990/PayrollTaxesGrp/TotalAmt | 0 | 31195 |
| IRS990/PoliticalCampaignActyInd | 0 | 0 |
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| IRS990/PrepaidExpensesDefrdChargesGrp/EOYAmt | 0 | 155445 |
| IRS990/PrincipalOfficerNm | 0 | RODNEY OLDEN |
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| IRS990/ProgramServiceRevenueGrp/Desc | 0 | RENTAL INCOME |
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| IRS990/ProgramServiceRevenueGrp/TotalRevenueColumnAmt | 0 | 2813772 |
| IRS990/ProhibitedTaxShelterTransInd | 0 | 0 |
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| IRS990/PYContributionsGrantsAmt | 0 | 0 |
| IRS990/PYExcessBenefitTransInd | 0 | 0 |
| IRS990/PYGrantsAndSimilarPaidAmt | 0 | 0 |
| IRS990/PYInvestmentIncomeAmt | 0 | 487 |
| IRS990/PYOtherExpensesAmt | 0 | 2879306 |
| IRS990/PYOtherRevenueAmt | 0 | 9309 |
| IRS990/PYProgramServiceRevenueAmt | 0 | 2793156 |
| IRS990/PYRevenuesLessExpensesAmt | 0 | -482580 |
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| IRS990/PYTotalExpensesAmt | 0 | 3285532 |
| IRS990/PYTotalProfFndrsngExpnsAmt | 0 | 0 |
| IRS990/PYTotalRevenueAmt | 0 | 2802952 |
| IRS990/QuidProQuoContributionsInd | 0 | 0 |
| IRS990/RcvFndsToPayPrsnlBnftCntrctInd | 0 | 0 |
| IRS990/ReconcilationRevenueExpnssAmt | 0 | -117351 |
| IRS990/RegularMonitoringEnfrcInd | 0 | 1 |
| IRS990/RelatedEntityInd | 0 | 0 |
| IRS990/RelatedOrganizationCtrlEntInd | 0 | 0 |
| IRS990/ReportInvestmentsOtherSecInd | 0 | 0 |
| IRS990/ReportLandBuildingEquipmentInd | 0 | 1 |
| IRS990/ReportOtherAssetsInd | 0 | 0 |
| IRS990/ReportOtherLiabilitiesInd | 0 | 0 |
| IRS990/ReportProgramRelatedInvstInd | 0 | 0 |
| IRS990/RevenueAmt | 0 | 2813772 |
| IRS990/SavingsAndTempCashInvstGrp/BOYAmt | 0 | 75 |
| IRS990/SavingsAndTempCashInvstGrp/EOYAmt | 0 | 75 |
| IRS990ScheduleA/AmountsRcvdDsqlfyPersonGrp/TotalAmt | 0 | 0 |
| IRS990ScheduleA/Form990ScheduleAPartVIGrp/ExplanationTxt | 0 | OTHER REVENUE - 2013 AMOUNT: $ 20,400. 2014 AMOUNT: $ 1,702. BANK CREDIT FEE - 2013 AMOUNT: $ 450. 2014 AMOUNT: $ 275. 2015 AMOUNT: $ 825. 2016 AMOUNT: $ 525. 2017 AMOUNT: $ 352. LAUNDRY INCOME - 2013 AMOUNT: $ 2,475. 2014 AMOUNT: $ 4,693. 2015 AMOUNT: $ 6,000. 2016 AMOUNT: $ 7,500. 2017 AMOUNT: $ 6,000. LEGAL FEES - 2014 AMOUNT: $ 850. AIR CONDITIONING - 2013 AMOUNT: $ 4,572. 2014 AMOUNT: $ 1,410. 2015 AMOUNT: $ 1,072. 2017 AMOUNT: $ 943. INSURANCE PROCEEDS - 2013 AMOUNT: $ 687. REPAIRS INCOME - 2014 AMOUNT: $ 2,200. FORFEITED SECURITY DEPOSIT - 2015 AMOUNT: $ 3,563. 2016 AMOUNT: $ 1,284. 2017 AMOUNT: $ 2,166. INSURANCE REIMBURSEMENT - 2015 AMOUNT: $ 26,495. |
| IRS990ScheduleA/Form990ScheduleAPartVIGrp/FormAndLineReferenceDesc | 0 | SCHEDULE A, PART III, LINE 12, EXPLANATION OF OTHER INCOME: |
| IRS990ScheduleA/GrossInvestmentIncome509Grp/CurrentTaxYearAmt | 0 | 655 |
| IRS990ScheduleA/GrossInvestmentIncome509Grp/CurrentTaxYearMinus1YearAmt | 0 | 487 |
| IRS990ScheduleA/GrossInvestmentIncome509Grp/CurrentTaxYearMinus2YearsAmt | 0 | 690 |
| IRS990ScheduleA/GrossInvestmentIncome509Grp/CurrentTaxYearMinus3YearsAmt | 0 | 576 |
| IRS990ScheduleA/GrossInvestmentIncome509Grp/TotalAmt | 0 | 2408 |
| IRS990ScheduleA/GrossReceiptsAdmissionsGrp/CurrentTaxYearAmt | 0 | 2813772 |
| IRS990ScheduleA/GrossReceiptsAdmissionsGrp/CurrentTaxYearMinus1YearAmt | 0 | 2793156 |
| IRS990ScheduleA/GrossReceiptsAdmissionsGrp/CurrentTaxYearMinus2YearsAmt | 0 | 2717366 |
| IRS990ScheduleA/GrossReceiptsAdmissionsGrp/CurrentTaxYearMinus3YearsAmt | 0 | 2459003 |
| IRS990ScheduleA/GrossReceiptsAdmissionsGrp/CurrentTaxYearMinus4YearsAmt | 0 | 2434582 |
| IRS990ScheduleA/GrossReceiptsAdmissionsGrp/TotalAmt | 0 | 13217879 |
| IRS990ScheduleA/InvestmentIncomeAndUBTIGrp/CurrentTaxYearAmt | 0 | 655 |
| IRS990ScheduleA/InvestmentIncomeAndUBTIGrp/CurrentTaxYearMinus1YearAmt | 0 | 487 |
| IRS990ScheduleA/InvestmentIncomeAndUBTIGrp/CurrentTaxYearMinus2YearsAmt | 0 | 690 |
| IRS990ScheduleA/InvestmentIncomeAndUBTIGrp/CurrentTaxYearMinus3YearsAmt | 0 | 576 |
| IRS990ScheduleA/InvestmentIncomeAndUBTIGrp/TotalAmt | 0 | 2408 |
| IRS990ScheduleA/InvestmentIncomeCYPct | 0 | 0.00020 |
| IRS990ScheduleA/InvestmentIncomePYPct | 0 | 0.00010 |
| IRS990ScheduleA/OtherIncome509Grp/CurrentTaxYearAmt | 0 | 9461 |
| IRS990ScheduleA/OtherIncome509Grp/CurrentTaxYearMinus1YearAmt | 0 | 9309 |
| IRS990ScheduleA/OtherIncome509Grp/CurrentTaxYearMinus2YearsAmt | 0 | 37955 |
| IRS990ScheduleA/OtherIncome509Grp/CurrentTaxYearMinus3YearsAmt | 0 | 11130 |
| IRS990ScheduleA/OtherIncome509Grp/CurrentTaxYearMinus4YearsAmt | 0 | 28584 |
| IRS990ScheduleA/OtherIncome509Grp/TotalAmt | 0 | 96439 |
| IRS990ScheduleA/PubliclySupportedOrg509a2Ind | 0 | X |
| IRS990ScheduleA/PublicSupportCY509Pct | 0 | 0.99260 |
| IRS990ScheduleA/PublicSupportPY509Pct | 0 | 0.90200 |
| IRS990ScheduleA/PublicSupportTotal509Amt | 0 | 13217879 |
| IRS990ScheduleA/SubstAndDsqlfyPrsnsTotGrp/TotalAmt | 0 | 0 |
| IRS990ScheduleA/SubstantialContributorsAmtGrp/TotalAmt | 0 | 0 |
| IRS990ScheduleA/ThirtyThrPctSuprtTestsCY509Ind | 0 | X |
| IRS990ScheduleA/Total509Grp/CurrentTaxYearAmt | 0 | 2813772 |
| IRS990ScheduleA/Total509Grp/CurrentTaxYearMinus1YearAmt | 0 | 2793156 |
| IRS990ScheduleA/Total509Grp/CurrentTaxYearMinus2YearsAmt | 0 | 2717366 |
| IRS990ScheduleA/Total509Grp/CurrentTaxYearMinus3YearsAmt | 0 | 2459003 |
| IRS990ScheduleA/Total509Grp/CurrentTaxYearMinus4YearsAmt | 0 | 2434582 |
| IRS990ScheduleA/Total509Grp/TotalAmt | 0 | 13217879 |
| IRS990ScheduleA/TotalSupportCalendarYearGrp/CurrentTaxYearAmt | 0 | 2823888 |
| IRS990ScheduleA/TotalSupportCalendarYearGrp/CurrentTaxYearMinus1YearAmt | 0 | 2802952 |
| IRS990ScheduleA/TotalSupportCalendarYearGrp/CurrentTaxYearMinus2YearsAmt | 0 | 2756011 |
| IRS990ScheduleA/TotalSupportCalendarYearGrp/CurrentTaxYearMinus3YearsAmt | 0 | 2470709 |
| IRS990ScheduleA/TotalSupportCalendarYearGrp/CurrentTaxYearMinus4YearsAmt | 0 | 2463166 |
| IRS990ScheduleA/TotalSupportCalendarYearGrp/TotalAmt | 0 | 13316726 |
| IRS990/ScheduleBRequiredInd | 0 | 0 |
| IRS990ScheduleD/AgentTrusteeEtcInd | 0 | 0 |
| IRS990ScheduleD/BuildingsGrp/BookValueAmt | 0 | 11046869 |
| IRS990ScheduleD/BuildingsGrp/DepreciationAmt | 0 | 5851161 |
| IRS990ScheduleD/BuildingsGrp/OtherCostOrOtherBasisAmt | 0 | 16898030 |
| IRS990ScheduleD/EquipmentGrp/BookValueAmt | 0 | 599 |
| IRS990ScheduleD/EquipmentGrp/DepreciationAmt | 0 | 201804 |
| IRS990ScheduleD/EquipmentGrp/OtherCostOrOtherBasisAmt | 0 | 202403 |
| IRS990ScheduleD/ExpensesNotReportedAmt | 0 | 0 |
| IRS990ScheduleD/ExpensesNotRptFinclStmtAmt | 0 | 0 |
| IRS990ScheduleD/ExpensesSubtotalAmt | 0 | 2941239 |
| IRS990ScheduleD/ExplanationProvidedInd | 0 | X |
| IRS990ScheduleD/FootnoteTextInd | 0 | X |
| IRS990ScheduleD/InclEscrowCustodialAcctLiabInd | 0 | 1 |
| IRS990ScheduleD/LandGrp/BookValueAmt | 0 | 111740 |
| IRS990ScheduleD/LandGrp/OtherCostOrOtherBasisAmt | 0 | 111740 |
| IRS990ScheduleD/RevenueNotReportedAmt | 0 | 0 |
| IRS990ScheduleD/RevenueNotReportedFinclStmtAmt | 0 | 0 |
| IRS990ScheduleD/RevenueSubtotalAmt | 0 | 2823888 |
| IRS990ScheduleD/SupplementalInformationDetail/ExplanationTxt | 0 | THE ORGANIZATION HOLDS SECURITY DEPOSITS FROM TENANTS IN AN ESCROW ACCOUNT. THESE DEPOSITS ARE RETURNED TO THE TENANT ONCE THEY MOVE OUT OF THE APARTMENT. |
| IRS990ScheduleD/SupplementalInformationDetail/ExplanationTxt | 1 | THE ENTITY RECOGNIZES THE EFFECT OF INCOME TAX POSITIONS ONLY IF THOSE POSITIONS ARE MORE LIKELY THAN NOT TO BE SUSTAINED. MANAGEMENT HAS DETERMINED THAT THE ENTITY HAD NO UNCERTAIN TAX POSITIONS THAT WOULD REQUIRE FINANCIAL STATEMENT RECOGNITION OR DISCLOSURE. THE ENTITY IS NO LONGER SUBJECT TO EXAMINATIONS BY THE APPLICABLE TAXING JURISDICTIONS FOR PERIODS PRIOR TO JUNE 30, 2015. |
| IRS990ScheduleD/SupplementalInformationDetail/FormAndLineReferenceDesc | 0 | PART IV, LINE 2B: |
| IRS990ScheduleD/SupplementalInformationDetail/FormAndLineReferenceDesc | 1 | PART X, LINE 2: |
| IRS990ScheduleD/TotalBookValueLandBuildingsAmt | 0 | 11159208 |
| IRS990ScheduleD/TotalExpensesPerForm990Amt | 0 | 2941239 |
| IRS990ScheduleD/TotalRevenuePerForm990Amt | 0 | 2823888 |
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| IRS990ScheduleD/TotExpnsEtcAuditedFinclStmtAmt | 0 | 2941239 |
| IRS990/ScheduleJRequiredInd | 0 | 0 |
| IRS990/ScheduleORequiredInd | 0 | 1 |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 0 | THE PROJECT PURCHASES MANAGEMENT SERVICES FROM AN UNRELATED MANAGEMENT SERVICES CORPORATION, THE WAVECREST MANAGEMENT TEAM, LTD. THE WAVECREST MANAGEMENT TEAM, LTD., AS AN AGENT FOR GREATER CENTENNIAL HOMES HDFC PROVIDES THE FOLLOWING SERVICES: MANAGES, RENTS, LEASES AND OPERATES THE PROPERTY HELD BY THE PROJECT. NO CURRENT OR FORMER OFFICER, DIRECTOR, OR KEY EMPLOYEE WERE COMPENSATED BY THE MANAGEMENT COMPANY DURING THE 2018 FISCAL YEAR. THE MANAGEMENT COMPANY WAS PAID $144,556 FOR SERVICES DURING FISCAL YEAR 2018. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 1 | THE GOVERNING BODY MET DURING THE YEAR, HOWEVER THE MEETING WAS NOT DOCUMENTED BY A MEMBER OF THE GOVERNING BODY. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 2 | THE ORGANIZATION DOES NOT HAVE A COMMITTEE WITH AUTHORITY TO ACT ON BEHALF OF THE BOARD. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 3 | GREATER CENTENNIAL HOMES HOUSING DEVELOPMENT FUND COMPANY, INC. HAS ITS FORM 990 PREPARED BY AN OUTSIDE ACCOUNTING FIRM AND HAS ESTABLISHED THE FOLLOWING REVIEW PROCESS TO ENSURE THAT THE INFORMATION REPORTED IS COMPLETE AND ACCURATE. WHEN THE FORM 990 HAS BEEN PREPARED, REVIEWED BY MANAGEMENT AND IS READY TO BE FILED WITH THE INTERNAL REVENUE SERVICE, IT IS ELECTRONICALLY SENT TO THE MANAGING AGENT, AND BOARD MEMBERS OF THE ORGANIZATION FOR ANY COMMENTS. ANY COMMENTS ARE THEN GROUPED, SUMMARIZED AND PROVIDED TO THE OUTSIDE ACCOUNTANTS. EACH ISSUE IS DOCUMENTED AND ADDRESSED UNTIL THE RETURN IS FINALIZED AND APPROVED FOR FILING. THE BOARD OF DIRECTORS HAS THE ULTIMATE AUTHORITY ON THE APPROVAL OF THE FORM 990. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 4 | ANNUALLY, EVERY DIRECTOR, OFFICER, OR COMMITTEE MEMBER IS REQUIRED TO SIGN A CONFLICT OF INTEREST POLICY. IF A PERSON BELIEVES THAT THEY HAVE A CONFLICT, THEY MUST DISCLOSE ALL THE INFORMATION TO THE DIRECTORS OF THE GOVERNING BOARD. THE GOVERNING BOARD WILL THEN DISCUSS THE POTENTIAL CONFLICT, AND DETERMINE IF ONE EXISTS. IF A CONFLICT WERE TO EXIST, THAT INTERESTED PERSON WILL BE REMOVED FROM VOTING ON THE CONFLICT TILL IT IS RESOLVED. ANY CONFLICTS WILL BE RECORDED IN THE MINUTES OF THE MEETING. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 5 | GREATER CENTENNIAL HOMES HOUSING DEVELOPMENT FUND COMPANY, INC. MAKES ITS FORM 990 AVAILABLE FOR PUBLIC INSPECTION AS REQUIRED UNDER SECTION 6104 OF THE INTERNAL REVENUE CODE. THE RETURN IS POSTED ON GUIDESTAR.ORG AND OTHER SIMILAR TYPES OF WEBSITES. IN ADDITION, THE FORM 990 AS WELL AS THE FINANCIAL STATEMENTS, GOVERNING DOCUMENTS, AND CONFLICT OF INTEREST POLICY ARE AVAILABLE UPON WRITTEN REQUEST AT 114 WEST FOURTH STREET MOUNT VERNON, NY 10550, OR BY CALLING THE ORGANIZATION DIRECTLY AT (914)-664-1838. |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 0 | FORM 990, PART VI, SECTION A, LINE 3 |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 1 | FORM 990, PART VI, SECTION A, LINE 8A |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 2 | FORM 990, PART VI, SECTION A, LINE 8B |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 3 | FORM 990, PART VI, SECTION B, LINE 11B |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 4 | FORM 990, PART VI, SECTION B, LINE 12C |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 5 | FORM 990, PART VI, SECTION C, LINE 19 |
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| ReturnHeader/BuildTS | 0 | 2019-02-21 02:37:17Z |
| ReturnHeader/BusinessOfficerGrp/DiscussWithPaidPreparerInd | 0 | 1 |
| ReturnHeader/BusinessOfficerGrp/PersonNm | 0 | MAURICE SMITH |
| ReturnHeader/BusinessOfficerGrp/PersonTitleTxt | 0 | TREASURER |
| ReturnHeader/BusinessOfficerGrp/PhoneNum | 0 | 9146641838 |
| ReturnHeader/BusinessOfficerGrp/SignatureDt | 0 | 2019-05-01 |
| ReturnHeader/Filer/BusinessName/BusinessNameLine1Txt | 0 | GREATER CENTENNIAL HOMES HOUSING |
| ReturnHeader/Filer/BusinessName/BusinessNameLine2Txt | 0 | DEVELOPMENT FUND COMPANY INC |