Liabilities / Assets
19th percentile
Tied with the lowest-debt nonprofits in its peer group.
EIN 52-1525013 • 501(c)3 • Riversdale Park, MD
Profile
Preservation and restoration of riverdale, an early 19th century mansion,education of the public concerning early life in colonial marland.
Precomputed percentiles relative to similar nonprofits. These scores are descriptive rather than judgmental.
Liabilities / Assets
19th percentile
Tied with the lowest-debt nonprofits in its peer group.
Liabilities / Revenue
20th percentile
Tied with the lowest-debt nonprofits in its peer group.
Net Margin
45th percentile
Higher net margin than 45% of similar nonprofits.
Top Officer Pay
40th percentile
Higher top officer pay than 40% of similar nonprofits.
Top officer pay equals 0.0% of source-year revenue.
Asset Growth
82nd percentile
Faster asset growth than 82% of similar nonprofits.
Revenue Growth
96th percentile
Faster revenue growth than 96% of similar nonprofits.
Assets
Up$1,821,027
Up $367,906 (+25%) from 2023
Liabilities
Flat$0
Flat from 2023
Net Assets
Up$1,821,027
Up $367,906 (+25%) from 2023
Revenue
Up$63,645
Up $46,383 (+269%) from 2023
Expenses
Up$62,318
Up $19,685 (+46%) from 2023
Net Income
Up$1,327
Up $26,698 (+105%) from 2023
Most recent year
2024 • Form 990Detailed filing. Detailed filing data is available for this year.
Preservation and restoration of riversdale, an early 19th century mansion, education of the public concerning early life in colonial maryland.
Preservation and restoration of riverdale, an early 19th century mansion,education of the public concerning early life in colonial marland.
| Line | Beginning | End | Change |
|---|---|---|---|
| Assets | |||
| Investments Program Related | $840,056 | $840,056 | → $0 |
| Investments in Publicly Traded Securities | $470,127 | $808,060 | ▲ $337,933 |
| Land, Buildings, and Equipment, Net | $130,000 | $130,000 | → $0 |
| Cash and Non-Interest-Bearing Accounts | $4,947 | $34,920 | ▲ $29,973 |
| Inventories for Sale or Use | $7,991 | $7,991 | → $0 |
| Total Assets | $1,453,121 | $1,821,027 | ▲ $367,906 |
| Liabilities | |||
| Total Liabilities | $0 | $0 | → $0 |
| Net Assets / Fund Balance | |||
| Net Assets With Donor Restrictions | $955,422 | $955,422 | → $0 |
| Net Assets Without Donor Restrictions | $497,699 | $865,605 | ▲ $367,906 |
| Total Net Assets Fund Balance | $1,453,121 | $1,821,027 | ▲ $367,906 |
| Total Liabilities and Net Assets / Fund Balance | $1,453,121 | $1,821,027 | ▲ $367,906 |
| Asset | Book Value | Depreciation | Basis |
|---|---|---|---|
| Land | $130,000 | - | $130,000 |
| Investment Program Related Org | $128,778 | - | - |
| Name | Title |
|---|---|
| J Patrick Gosset | President |
| Anne Turkos | Secretary |
| Michelle Kretsch | Treasurer |
| Howard Menaker | Vice-preside |
| Line Item | Amount |
|---|---|
| Other Expenses | $62,318 |
| Grants and Similar Amounts Paid | $0 |
| Professional Fundraising Fees | $0 |
| Salaries, Compensation, and Employee Benefits | $0 |
| Total Fundraising Expense | $0 |
| Line Item | Program | Management | Fundraising | Total |
|---|---|---|---|---|
| Office Expenses | - | $22,587 | - | $22,587 |
| Fees for Services Accounting | - | $2,100 | - | $2,100 |
| All Other Expenses | $47 | $109 | - | $156 |
| Other Expenses | $5,477 | $132 | - | $132 |
| Total Functional Expenses | $20,303 | $42,015 | $0 | $62,318 |
| Line Item | Amount |
|---|---|
| Professional Fundraising Fees | $0 |
“Annual contributors automatically become members.”
“Annual members have voting rights to elect officers of the corporation.”
“The tax return is provided to the treasurer. Copies are available to the officers and board members via the assiocation's website.”
“Organization reviews conflits of interest of policy with officers and directors each year.”
“Copy of the tax return is made available upon request.”
“Organization's website lists contact information.upon request information is forwarded.”
This appendix keeps the raw XML leaves available for debugging and edge-case review. The human report above is the primary experience.
| Path | # | Value |
|---|---|---|
| IRS990/AccountantCompileOrReviewInd | 0 | false |
| IRS990/ActivitiesConductedPrtshpInd | 0 | false |
| IRS990/ActivityOrMissionDesc | 0 | PRESERVATION AND RESTORATION OF RIVERDALE, AN EARLY 19TH CENTURY MANSION,EDUCATION OF THE PUBLIC CONCERNING EARLY LIFE IN COLONIAL MARLAND. |
| IRS990/AllOtherContributionsAmt | 0 | 35997 |
| IRS990/AllOtherExpensesGrp/ManagementAndGeneralAmt | 0 | 109 |
| IRS990/AllOtherExpensesGrp/ProgramServicesAmt | 0 | 47 |
| IRS990/AllOtherExpensesGrp/TotalAmt | 0 | 156 |
| IRS990/AnnualDisclosureCoveredPrsnInd | 0 | true |
| IRS990/BooksInCareOfDetail/PersonNm | 0 | MICHELLE KRETSCH |
| IRS990/BooksInCareOfDetail/PhoneNum | 0 | 3018640420 |
| IRS990/BooksInCareOfDetail/USAddress/AddressLine1Txt | 0 | 6005 - 48TH AVENUE |
| IRS990/BooksInCareOfDetail/USAddress/CityNm | 0 | RIVERDALE PARK |
| IRS990/BooksInCareOfDetail/USAddress/StateAbbreviationCd | 0 | MD |
| IRS990/BooksInCareOfDetail/USAddress/ZIPCd | 0 | 207372015 |
| IRS990/BusinessRlnWith35CtrlEntInd | 0 | false |
| IRS990/BusinessRlnWithFamMemInd | 0 | false |
| IRS990/BusinessRlnWithOrgMemInd | 0 | false |
| IRS990/CashNonInterestBearingGrp/BOYAmt | 0 | 4947 |
| IRS990/CashNonInterestBearingGrp/EOYAmt | 0 | 34920 |
| IRS990/ChangeToOrgDocumentsInd | 0 | false |
| IRS990/CollectionsOfArtInd | 0 | true |
| IRS990/CompensationFromOtherSrcsInd | 0 | false |
| IRS990/CompensationProcessCEOInd | 0 | false |
| IRS990/CompensationProcessOtherInd | 0 | false |
| IRS990/ConflictOfInterestPolicyInd | 0 | true |
| IRS990/ConservationEasementsInd | 0 | false |
| IRS990/ConsolidatedAuditFinclStmtInd | 0 | false |
| IRS990/CreditCounselingInd | 0 | false |
| IRS990/CYBenefitsPaidToMembersAmt | 0 | 0 |
| IRS990/CYContributionsGrantsAmt | 0 | 45816 |
| IRS990/CYGrantsAndSimilarPaidAmt | 0 | 0 |
| IRS990/CYInvestmentIncomeAmt | 0 | 16381 |
| IRS990/CYOtherExpensesAmt | 0 | 62318 |
| IRS990/CYOtherRevenueAmt | 0 | 1448 |
| IRS990/CYProgramServiceRevenueAmt | 0 | 0 |
| IRS990/CYRevenuesLessExpensesAmt | 0 | 1327 |
| IRS990/CYSalariesCompEmpBnftPaidAmt | 0 | 0 |
| IRS990/CYTotalExpensesAmt | 0 | 62318 |
| IRS990/CYTotalFundraisingExpenseAmt | 0 | 0 |
| IRS990/CYTotalProfFndrsngExpnsAmt | 0 | 0 |
| IRS990/CYTotalRevenueAmt | 0 | 63645 |
| IRS990/DecisionsSubjectToApprovaInd | 0 | false |
| IRS990/DeductibleArtContributionInd | 0 | false |
| IRS990/DeductibleNonCashContriInd | 0 | false |
| IRS990/DelegationOfMgmtDutiesInd | 0 | false |
| IRS990/Desc | 0 | CONTRACT FOR PROFESSIONAL CURATOR OF COLLECTION/REGISTRAR OF PURCHASED/DONATED PROPERTY AND RESTORATION COSTS. |
| IRS990/DescribedInSection501c3Ind | 0 | true |
| IRS990/DisregardedEntityInd | 0 | false |
| IRS990/DocumentRetentionPolicyInd | 0 | true |
| IRS990/DoingBusinessAsName/BusinessNameLine1Txt | 0 | ATTN J PATRICK GOSSETT PRESIDENT |
| IRS990/DonorAdvisedFundInd | 0 | false |
| IRS990/DonorRestrictionNetAssetsGrp/BOYAmt | 0 | 955422 |
| IRS990/DonorRestrictionNetAssetsGrp/EOYAmt | 0 | 955422 |
| IRS990/DonorRstrOrQuasiEndowmentsInd | 0 | false |
| IRS990/ElectionOfBoardMembersInd | 0 | true |
| IRS990/EmployeeCnt | 0 | 0 |
| IRS990/EngagedInExcessBenefitTransInd | 0 | false |
| IRS990/ExpenseAmt | 0 | 47 |
| IRS990/FamilyOrBusinessRlnInd | 0 | false |
| IRS990/FederalGrantAuditRequiredInd | 0 | false |
| IRS990/FeesForServicesAccountingGrp/ManagementAndGeneralAmt | 0 | 2100 |
| IRS990/FeesForServicesAccountingGrp/TotalAmt | 0 | 2100 |
| IRS990/ForeignActivitiesInd | 0 | false |
| IRS990/ForeignFinancialAccountInd | 0 | false |
| IRS990/ForeignOfficeInd | 0 | false |
| IRS990/Form1098CFiledInd | 0 | false |
| IRS990/Form8282PropertyDisposedOfInd | 0 | false |
| IRS990/Form8899Filedind | 0 | false |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 0 | 10.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 1 | 10.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 2 | 10.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 3 | 10.00 |
| 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/OfficerInd | 3 | 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 | J PATRICK GOSSET |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 1 | MICHELLE KRETSCH |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 2 | HOWARD MENAKER |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 3 | ANNE TURKOS |
| 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 | PRESIDENT |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 1 | TREASURER |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 2 | VICE-PRESIDE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 3 | SECRETARY |
| IRS990/Form990ProvidedToGvrnBodyInd | 0 | true |
| IRS990/FormationYr | 0 | 1977 |
| IRS990/FormerOfcrEmployeesListedInd | 0 | false |
| IRS990/FSAuditedInd | 0 | false |
| IRS990/FundraisingActivitiesInd | 0 | false |
| IRS990/GamingActivitiesInd | 0 | false |
| IRS990/GoverningBodyVotingMembersCnt | 0 | 4 |
| IRS990/GrantsToIndividualsInd | 0 | false |
| IRS990/GrantsToOrganizationsInd | 0 | false |
| IRS990/GrantToRelatedPersonInd | 0 | false |
| IRS990/GrossReceiptsAmt | 0 | 63645 |
| IRS990/GrossSalesOfInventoryAmt | 0 | 760 |
| IRS990/GroupReturnForAffiliatesInd | 0 | false |
| IRS990/IncludeFIN48FootnoteInd | 0 | false |
| IRS990/IndependentAuditFinclStmtInd | 0 | false |
| IRS990/IndependentVotingMemberCnt | 0 | 4 |
| IRS990/IndoorTanningServicesInd | 0 | false |
| IRS990/InfoInScheduleOPartVIInd | 0 | X |
| IRS990/InventoriesForSaleOrUseGrp/BOYAmt | 0 | 7991 |
| IRS990/InventoriesForSaleOrUseGrp/EOYAmt | 0 | 7991 |
| IRS990/InvestmentIncomeGrp/ExclusionAmt | 0 | 16381 |
| IRS990/InvestmentIncomeGrp/TotalRevenueColumnAmt | 0 | 16381 |
| IRS990/InvestmentInJointVentureInd | 0 | false |
| IRS990/InvestmentsProgramRelatedGrp/BOYAmt | 0 | 840056 |
| IRS990/InvestmentsProgramRelatedGrp/EOYAmt | 0 | 840056 |
| IRS990/InvestmentsPubTradedSecGrp/BOYAmt | 0 | 470127 |
| IRS990/InvestmentsPubTradedSecGrp/EOYAmt | 0 | 808060 |
| IRS990/IRPDocumentCnt | 0 | 2 |
| IRS990/IRPDocumentW2GCnt | 0 | 0 |
| IRS990/LandBldgEquipBasisNetGrp/BOYAmt | 0 | 130000 |
| IRS990/LandBldgEquipBasisNetGrp/EOYAmt | 0 | 130000 |
| IRS990/LandBldgEquipCostOrOtherBssAmt | 0 | 130000 |
| IRS990/LegalDomicileStateCd | 0 | MD |
| IRS990/LoanOutstandingInd | 0 | false |
| IRS990/LobbyingActivitiesInd | 0 | false |
| IRS990/LocalChaptersInd | 0 | false |
| IRS990/MaterialDiversionOrMisuseInd | 0 | false |
| IRS990/MembershipDuesAmt | 0 | 9819 |
| IRS990/MembersOrStockholdersInd | 0 | true |
| IRS990/MethodOfAccountingOtherInd | 0 | X |
| IRS990/MinutesOfCommitteesInd | 0 | true |
| IRS990/MinutesOfGoverningBodyInd | 0 | true |
| IRS990/MissionDesc | 0 | PRESERVATION AND RESTORATION OF RIVERDALE, AN EARLY 19TH CENTURY MANSION,EDUCATION OF THE PUBLIC CONCERNING EARLY LIFE IN COLONIAL MARLAND. |
| IRS990/MoreThan5000KToIndividualsInd | 0 | false |
| IRS990/MoreThan5000KToOrgInd | 0 | false |
| IRS990/NetAssetsOrFundBalancesBOYAmt | 0 | 1453121 |
| IRS990/NetAssetsOrFundBalancesEOYAmt | 0 | 1821027 |
| IRS990/NetIncomeOrLossGrp/ExclusionAmt | 0 | 760 |
| IRS990/NetIncomeOrLossGrp/TotalRevenueColumnAmt | 0 | 760 |
| IRS990/NetUnrlzdGainsLossesInvstAmt | 0 | 366579 |
| IRS990/NoDonorRestrictionNetAssetsGrp/BOYAmt | 0 | 497699 |
| IRS990/NoDonorRestrictionNetAssetsGrp/EOYAmt | 0 | 865605 |
| IRS990/NoListedPersonsCompensatedInd | 0 | X |
| IRS990/NondeductibleContributionsInd | 0 | false |
| IRS990/OfficeExpensesGrp/ManagementAndGeneralAmt | 0 | 22587 |
| IRS990/OfficeExpensesGrp/TotalAmt | 0 | 22587 |
| IRS990/OfficerMailingAddressInd | 0 | false |
| IRS990/OperateHospitalInd | 0 | false |
| IRS990/Organization501c3Ind | 0 | X |
| IRS990/OrganizationFollowsFASB117Ind | 0 | X |
| IRS990/OtherExpensesGrp/Desc | 0 | REPAIR & MAINTENANCE |
| IRS990/OtherExpensesGrp/Desc | 1 | CEMETERY EXPENSES |
| IRS990/OtherExpensesGrp/Desc | 2 | OTHER PROGRAM SERVICE |
| IRS990/OtherExpensesGrp/Desc | 3 | MISCELLANEOUS EXPENSES |
| IRS990/OtherExpensesGrp/ManagementAndGeneralAmt | 0 | 17087 |
| IRS990/OtherExpensesGrp/ManagementAndGeneralAmt | 1 | 132 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 0 | 14779 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 1 | 5477 |
| IRS990/OtherExpensesGrp/TotalAmt | 0 | 17087 |
| IRS990/OtherExpensesGrp/TotalAmt | 1 | 14779 |
| IRS990/OtherExpensesGrp/TotalAmt | 2 | 5477 |
| IRS990/OtherExpensesGrp/TotalAmt | 3 | 132 |
| IRS990/OtherInd | 0 | X |
| IRS990/OtherRevenueMiscGrp/Desc | 0 | REIMBURSEMENTS - INSURANCE |
| IRS990/OtherRevenueMiscGrp/RelatedOrExemptFuncIncomeAmt | 0 | 688 |
| IRS990/OtherRevenueMiscGrp/TotalRevenueColumnAmt | 0 | 688 |
| IRS990/OtherRevenueTotalAmt | 0 | 688 |
| IRS990/OtherWebsiteInd | 0 | X |
| IRS990/OwnWebsiteInd | 0 | X |
| IRS990/PartialLiquidationInd | 0 | false |
| IRS990/PayPremiumsPrsnlBnftCntrctInd | 0 | false |
| IRS990/PoliticalCampaignActyInd | 0 | false |
| IRS990/PrincipalOfficerNm | 0 | J PATRICK GOSSET |
| IRS990/ProfessionalFundraisingInd | 0 | false |
| IRS990/ProgSrvcAccomActy2Grp/Desc | 0 | MAINTENANCE AND LANDSCAPING OF CALVERT MEMORIAL PARK, WHICH SURROUNDS THE CEMETERY OF THE CALVERT FAMILY OF RIVERSDALE. |
| IRS990/ProgSrvcAccomActy2Grp/ExpenseAmt | 0 | 14779 |
| IRS990/ProgSrvcAccomActy3Grp/Desc | 0 | PUBLICATION OF QUARTERLY NEWSLETTER WITH A FOCUS OF HISTORICAL THEMES REGARDING RIVERSDALE AND SOCIETY ACTIVITIES CIRCULATION TO 300+ MEMBERS PLUS FREE COPIES TO SOME 200+ VISTORS. |
| IRS990/ProgSrvcAccomActy3Grp/ExpenseAmt | 0 | 5477 |
| IRS990/ProhibitedTaxShelterTransInd | 0 | false |
| IRS990/PYContributionsGrantsAmt | 0 | 14433 |
| IRS990/PYExcessBenefitTransInd | 0 | false |
| IRS990/PYOtherExpensesAmt | 0 | 42633 |
| IRS990/PYOtherRevenueAmt | 0 | 2829 |
| IRS990/PYRevenuesLessExpensesAmt | 0 | -25371 |
| IRS990/PYTotalExpensesAmt | 0 | 42633 |
| IRS990/PYTotalRevenueAmt | 0 | 17262 |
| IRS990/QuidProQuoContributionsInd | 0 | false |
| IRS990/RcvFndsToPayPrsnlBnftCntrctInd | 0 | false |
| IRS990/ReconcilationRevenueExpnssAmt | 0 | 1327 |
| IRS990/RegularMonitoringEnfrcInd | 0 | true |
| IRS990/RelatedEntityInd | 0 | false |
| IRS990/RelatedOrganizationCtrlEntInd | 0 | false |
| IRS990/ReportInvestmentsOtherSecInd | 0 | false |
| IRS990/ReportLandBuildingEquipmentInd | 0 | true |
| IRS990/ReportOtherAssetsInd | 0 | false |
| IRS990/ReportOtherLiabilitiesInd | 0 | false |
| IRS990/ReportProgramRelatedInvstInd | 0 | true |
| IRS990ScheduleA/AmountsRcvdDsqlfyPersonGrp/CurrentTaxYearMinus3YearsAmt | 0 | 2500 |
| IRS990ScheduleA/AmountsRcvdDsqlfyPersonGrp/CurrentTaxYearMinus4YearsAmt | 0 | 4100 |
| IRS990ScheduleA/AmountsRcvdDsqlfyPersonGrp/TotalAmt | 0 | 6600 |
| IRS990ScheduleA/GiftsGrantsContrisRcvd509Grp/CurrentTaxYearAmt | 0 | 45816 |
| IRS990ScheduleA/GiftsGrantsContrisRcvd509Grp/CurrentTaxYearMinus1YearAmt | 0 | 14433 |
| IRS990ScheduleA/GiftsGrantsContrisRcvd509Grp/CurrentTaxYearMinus2YearsAmt | 0 | 28617 |
| IRS990ScheduleA/GiftsGrantsContrisRcvd509Grp/CurrentTaxYearMinus3YearsAmt | 0 | 42935 |
| IRS990ScheduleA/GiftsGrantsContrisRcvd509Grp/CurrentTaxYearMinus4YearsAmt | 0 | 52139 |
| IRS990ScheduleA/GiftsGrantsContrisRcvd509Grp/TotalAmt | 0 | 183940 |
| IRS990ScheduleA/GrossInvestmentIncome509Grp/CurrentTaxYearAmt | 0 | 16381 |
| IRS990ScheduleA/GrossInvestmentIncome509Grp/CurrentTaxYearMinus2YearsAmt | 0 | 14748 |
| IRS990ScheduleA/GrossInvestmentIncome509Grp/CurrentTaxYearMinus3YearsAmt | 0 | 14936 |
| IRS990ScheduleA/GrossInvestmentIncome509Grp/CurrentTaxYearMinus4YearsAmt | 0 | 29121 |
| IRS990ScheduleA/GrossInvestmentIncome509Grp/TotalAmt | 0 | 75186 |
| IRS990ScheduleA/GrossReceiptsAdmissionsGrp/CurrentTaxYearAmt | 0 | 688 |
| IRS990ScheduleA/GrossReceiptsAdmissionsGrp/CurrentTaxYearMinus1YearAmt | 0 | 3055 |
| IRS990ScheduleA/GrossReceiptsAdmissionsGrp/CurrentTaxYearMinus2YearsAmt | 0 | 2402 |
| IRS990ScheduleA/GrossReceiptsAdmissionsGrp/CurrentTaxYearMinus3YearsAmt | 0 | 860 |
| IRS990ScheduleA/GrossReceiptsAdmissionsGrp/CurrentTaxYearMinus4YearsAmt | 0 | 426 |
| IRS990ScheduleA/GrossReceiptsAdmissionsGrp/TotalAmt | 0 | 7431 |
| IRS990ScheduleA/InvestmentIncomeAndUBTIGrp/CurrentTaxYearAmt | 0 | 16381 |
| IRS990ScheduleA/InvestmentIncomeAndUBTIGrp/CurrentTaxYearMinus2YearsAmt | 0 | 14748 |
| IRS990ScheduleA/InvestmentIncomeAndUBTIGrp/CurrentTaxYearMinus3YearsAmt | 0 | 14936 |
| IRS990ScheduleA/InvestmentIncomeAndUBTIGrp/CurrentTaxYearMinus4YearsAmt | 0 | 29121 |
| IRS990ScheduleA/InvestmentIncomeAndUBTIGrp/TotalAmt | 0 | 75186 |
| IRS990ScheduleA/InvestmentIncomeCYPct | 0 | 0.28000 |
| IRS990ScheduleA/InvestmentIncomePYPct | 0 | 0.28000 |
| IRS990ScheduleA/PubliclySupportedOrg509a2Ind | 0 | X |
| IRS990ScheduleA/PublicSupportCY509Pct | 0 | 0.69320 |
| IRS990ScheduleA/PublicSupportPY509Pct | 0 | 0.69610 |
| IRS990ScheduleA/PublicSupportTotal509Amt | 0 | 184771 |
| IRS990ScheduleA/SubstAndDsqlfyPrsnsTotGrp/CurrentTaxYearMinus3YearsAmt | 0 | 2500 |
| IRS990ScheduleA/SubstAndDsqlfyPrsnsTotGrp/CurrentTaxYearMinus4YearsAmt | 0 | 4100 |
| IRS990ScheduleA/SubstAndDsqlfyPrsnsTotGrp/TotalAmt | 0 | 6600 |
| IRS990ScheduleA/ThirtyThrPctSuprtTestsCY509Ind | 0 | X |
| IRS990ScheduleA/Total509Grp/CurrentTaxYearAmt | 0 | 46504 |
| IRS990ScheduleA/Total509Grp/CurrentTaxYearMinus1YearAmt | 0 | 17488 |
| IRS990ScheduleA/Total509Grp/CurrentTaxYearMinus2YearsAmt | 0 | 31019 |
| IRS990ScheduleA/Total509Grp/CurrentTaxYearMinus3YearsAmt | 0 | 43795 |
| IRS990ScheduleA/Total509Grp/CurrentTaxYearMinus4YearsAmt | 0 | 52565 |
| IRS990ScheduleA/Total509Grp/TotalAmt | 0 | 191371 |
| IRS990ScheduleA/TotalSupportCalendarYearGrp/CurrentTaxYearAmt | 0 | 62885 |
| IRS990ScheduleA/TotalSupportCalendarYearGrp/CurrentTaxYearMinus1YearAmt | 0 | 17488 |
| IRS990ScheduleA/TotalSupportCalendarYearGrp/CurrentTaxYearMinus2YearsAmt | 0 | 45767 |
| IRS990ScheduleA/TotalSupportCalendarYearGrp/CurrentTaxYearMinus3YearsAmt | 0 | 58731 |
| IRS990ScheduleA/TotalSupportCalendarYearGrp/CurrentTaxYearMinus4YearsAmt | 0 | 81686 |
| IRS990ScheduleA/TotalSupportCalendarYearGrp/TotalAmt | 0 | 266557 |
| IRS990ScheduleB/ContributorInformationGrp/ContributorBusinessName/BusinessNameLine1 | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/ContributorNum | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/AddressLine1 | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/AddressLine2 | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/City | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/State | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/ZIPCode | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/TotalContributionsAmt | 0 | RESTRICTED |
| IRS990/ScheduleBRequiredInd | 0 | true |
| IRS990ScheduleD/CollectionUsedPreservationInd | 0 | X |
| IRS990ScheduleD/CollectionUsedPubExhibitionInd | 0 | X |
| IRS990ScheduleD/CollUsedScholarlyRsrchInd | 0 | X |
| IRS990ScheduleD/InvstProgramRelatedOrgGrp/BookValueAmt | 0 | 500952 |
| IRS990ScheduleD/InvstProgramRelatedOrgGrp/BookValueAmt | 1 | 210326 |
| IRS990ScheduleD/InvstProgramRelatedOrgGrp/BookValueAmt | 2 | 128778 |
| IRS990ScheduleD/InvstProgramRelatedOrgGrp/Desc | 0 | PURCHASED - LHI/RESTORATION |
| IRS990ScheduleD/InvstProgramRelatedOrgGrp/Desc | 1 | DONATED - PERIOD FURNITURE |
| IRS990ScheduleD/InvstProgramRelatedOrgGrp/Desc | 2 | PURCHASES - PERIOD FURNITURE/PROPERT |
| IRS990ScheduleD/InvstProgramRelatedOrgGrp/MethodValuationCd | 0 | C |
| IRS990ScheduleD/InvstProgramRelatedOrgGrp/MethodValuationCd | 1 | C |
| IRS990ScheduleD/InvstProgramRelatedOrgGrp/MethodValuationCd | 2 | C |
| IRS990ScheduleD/LandGrp/BookValueAmt | 0 | 130000 |
| IRS990ScheduleD/LandGrp/OtherCostOrOtherBasisAmt | 0 | 130000 |
| IRS990ScheduleD/SolicitedAssetsSaleInd | 0 | false |
| IRS990ScheduleD/TotalBookValueLandBuildingsAmt | 0 | 130000 |
| IRS990ScheduleD/TotalBookValueProgramRltdAmt | 0 | 840056 |
| IRS990/ScheduleJRequiredInd | 0 | false |
| IRS990/ScheduleORequiredInd | 0 | true |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 0 | ANNUAL CONTRIBUTORS AUTOMATICALLY BECOME MEMBERS. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 1 | ANNUAL MEMBERS HAVE VOTING RIGHTS TO ELECT OFFICERS OF THE CORPORATION. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 2 | THE TAX RETURN IS PROVIDED TO THE TREASURER. COPIES ARE AVAILABLE TO THE OFFICERS AND BOARD MEMBERS VIA THE ASSIOCATION'S WEBSITE. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 3 | ORGANIZATION REVIEWS CONFLITS OF INTEREST OF POLICY WITH OFFICERS AND DIRECTORS EACH YEAR. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 4 | COPY OF THE TAX RETURN IS MADE AVAILABLE UPON REQUEST. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 5 | ORGANIZATION'S WEBSITE LISTS CONTACT INFORMATION.UPON REQUEST INFORMATION IS FORWARDED. |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 0 | FORM 990, PAGE 6, PART VI, LINE 6 |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 1 | FORM 990, PAGE 6, PART VI, LINE 7A |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 2 | FORM 990, PAGE 6, PART VI, LINE 11B |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 3 | FORM 990, PAGE 6, PART VI, LINE 12C |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 4 | FORM 990, PAGE 6, PART VI, LINE 18 |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 5 | FORM 990, PAGE 6, PART VI, LINE 19 |
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| IRS990/WebsiteAddressTxt | 0 | WWW.RIVERSDALE.ORG |
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| ReturnHeader/BuildTS | 0 | 2025-03-06 01:10:19Z |
| ReturnHeader/BusinessOfficerGrp/DiscussWithPaidPreparerInd | 0 | true |
| ReturnHeader/BusinessOfficerGrp/PersonNm | 0 | MICHELLE KRETSCH |
| ReturnHeader/BusinessOfficerGrp/PersonTitleTxt | 0 | TREASURER |
| ReturnHeader/BusinessOfficerGrp/PhoneNum | 0 | 3018640420 |
| ReturnHeader/BusinessOfficerGrp/SignatureDt | 0 | 2025-03-12 |
| ReturnHeader/Filer/BusinessName/BusinessNameLine1Txt | 0 | RIVERSDALE HISTORICAL SOCIETY INC |
| ReturnHeader/Filer/BusinessNameControlTxt | 0 | RIVE |
| ReturnHeader/Filer/EIN | 0 | 521525013 |
| ReturnHeader/Filer/PhoneNum | 0 | 3018640420 |
| ReturnHeader/Filer/USAddress/AddressLine1Txt | 0 | 6005 48TH AVENUE |
| ReturnHeader/Filer/USAddress/CityNm | 0 | RIVERSDALE PARK |
| ReturnHeader/Filer/USAddress/StateAbbreviationCd | 0 | MD |
| ReturnHeader/Filer/USAddress/ZIPCd | 0 | 20737 |
| ReturnHeader/IRSResponsiblePrtyInfoCurrInd | 0 | false |
| ReturnHeader/PreparerFirmGrp/PreparerFirmEIN | 0 | 521373858 |
| ReturnHeader/PreparerFirmGrp/PreparerFirmName/BusinessNameLine1Txt | 0 | DELEON & STANG CPAS AND ADVISORS |
| ReturnHeader/PreparerFirmGrp/PreparerUSAddress/AddressLine1Txt | 0 | 150 S EAST ST STE 103 |
| ReturnHeader/PreparerFirmGrp/PreparerUSAddress/CityNm | 0 | FREDERICK |
| ReturnHeader/PreparerFirmGrp/PreparerUSAddress/StateAbbreviationCd | 0 | MD |
| ReturnHeader/PreparerFirmGrp/PreparerUSAddress/ZIPCd | 0 | 217016175 |
| ReturnHeader/PreparerPersonGrp/PhoneNum | 0 | 3012507400 |
| ReturnHeader/PreparerPersonGrp/PreparationDt | 0 | 2025-04-03 |
| ReturnHeader/PreparerPersonGrp/PreparerPersonNm | 0 | CLINT LEHMAN CPA |
| ReturnHeader/ReturnTs | 0 | 2025-04-04T12:08:06-04:00 |
| ReturnHeader/ReturnTypeCd | 0 | 990 |
| ReturnHeader/TaxPeriodBeginDt | 0 | 2024-01-01 |
| ReturnHeader/TaxPeriodEndDt | 0 | 2024-12-31 |
| ReturnHeader/TaxYr | 0 | 2024 |
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