Liabilities / Assets
18th percentile
Tied with the lowest-debt nonprofits in its peer group.
EIN 11-6036242 • 501(c)3 • Amagansett, NY
Profile
The amagansett historical association is dedicated to preserving the cultural heritage of the hamlet of amagansett - founded in 1680, for the benefit of the local community, scholars and students, and the general public that visits the area.
Precomputed percentiles relative to similar nonprofits. These scores are descriptive rather than judgmental.
Liabilities / Assets
18th percentile
Tied with the lowest-debt nonprofits in its peer group.
Liabilities / Revenue
19th percentile
Tied with the lowest-debt nonprofits in its peer group.
Net Margin
96th percentile
Higher net margin than 96% of similar nonprofits.
Top Officer Pay
Score unavailable
No filing with officer rows is available for this organization yet.
Asset Growth
82nd percentile
Faster asset growth than 82% of similar nonprofits.
Revenue Growth
95th percentile
Faster revenue growth than 95% of similar nonprofits.
Assets
Up$1,082,338
Up $398,756 (+58%) from 2024
Liabilities
Flat$0
Flat from 2024
Net Assets
Up$1,082,338
Up $398,756 (+58%) from 2024
Revenue
Up$482,906
Up $404,129 (+513%) from 2024
Expenses
Up$83,782
Up $5,035 (+6.4%) from 2024
Net Income
Up$399,124
Up $399,094 (+1330313%) from 2024
Most recent year
2025 • Form 990Detailed filing. Detailed filing data is available for this year.
The amagansett historical association is dedicated to preserving the cultural heritage of the hamlet of amagansett - founded in 1680, for the benefit of the local community, scholars and students, and the general public that visits the area.
Maintenance and preservation of the historical buildings and works in the village of amagansett.
| Line | Beginning | End | Change |
|---|---|---|---|
| Assets | |||
| Land, Buildings, and Equipment, Net | $574,569 | $698,331 | ▲ $123,762 |
| Cash and Non-Interest-Bearing Accounts | $75,925 | $350,288 | ▲ $274,363 |
| Investments in Publicly Traded Securities | $31,288 | $30,919 | ▼ $369 |
| Inventories for Sale or Use | $1,800 | $1,800 | → $0 |
| Prepaid Expenses and Deferred Charges | - | $1,000 | - |
| Total Assets | $683,582 | $1,082,338 | ▲ $398,756 |
| Liabilities | |||
| Total Liabilities | $0 | $0 | → $0 |
| Net Assets / Fund Balance | |||
| Net Assets Without Donor Restrictions | $683,582 | $1,082,338 | ▲ $398,756 |
| Total Net Assets Fund Balance | $683,582 | $1,082,338 | ▲ $398,756 |
| Total Liabilities and Net Assets / Fund Balance | $683,582 | $1,082,338 | ▲ $398,756 |
| Asset | Book Value | Depreciation | Basis |
|---|---|---|---|
| Buildings | $694,629 | $551,794 | $1,246,423 |
| Equipment | $3,702 | $35,854 | $39,556 |
| Name | Title | Full / Part Time | Base | Total |
|---|---|---|---|---|
| Peter Garnham | President | PT | $12,000 | $12,000 |
| Name | Title |
|---|---|
| Greg Zwirko | Trustee |
| Joan Tulp | Trustee |
| Robert Moss | Trustee |
| Thomas Thorsen | Trustee |
| Roberta Elins Dinkes | Secretary |
| John Courtney | Treasurer |
| Line Item | Amount |
|---|---|
| Other Expenses | $71,782 |
| Salaries, Compensation, and Employee Benefits | $12,000 |
| Grants and Similar Amounts Paid | $0 |
| Professional Fundraising Fees | $0 |
| Total Fundraising Expense | $0 |
| Line Item | Program | Management | Fundraising | Total |
|---|---|---|---|---|
| Depreciation Depletion | $22,567 | - | - | $22,567 |
| Insurance | $16,906 | - | - | $16,906 |
| Other Salaries and Wages | $12,000 | - | - | $12,000 |
| Fees for Services Accounting | - | $6,227 | - | $6,227 |
| All Other Expenses | $3,100 | - | - | $3,100 |
| Advertising | $2,053 | - | - | $2,053 |
| Office Expenses | - | $1,644 | - | $1,644 |
| Other Expenses | $1,564 | $3,500 | - | $1,564 |
| Total Functional Expenses | $72,411 | $11,371 | $0 | $83,782 |
| Line Item | Amount |
|---|---|
| Professional Fundraising Fees | $0 |
“Not applicable - there is no committee with authority to act on behalf of the governing body in this organization”
“The organization receives a copy of the draft form 990, reviews the information contained therein with the officers, makes any necessary changes, and approves the form 990 for submission to the irs.”
“Information about the organization is made available to the public upon request. Information that is available to the public includes, but is not limited to, the governing documents of the organization, financial information and tax returns.”
“The amagansett historical association is dedicated to preserving the cultural heritage of the hamlet of amagansett - founded in 1680, for the benefit of the local community, scholars and students, and the general public that visits the area.”
“Finanical statements are not issued”
“To meet the mission of the association, it collects and disseminates information about the hamlet of amagansett that illustrates it's agrarian past, the changes in domestic, social and agricultural practice during the 19th century, and the gradual transition to a resort economy. The association collects items of local provenance including carriages, furnishings, letters and other items such as photographs so that a record of amagansett's bucolic and rural past will be preserved. The main focus is on the period from 1725 to 1925. The association also owns some historical buildings that house the items mentioned above.”
This appendix keeps the raw XML leaves available for debugging and edge-case review. The human report above is the primary experience.
| Path | # | Value |
|---|---|---|
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| IRS990/ActivitiesConductedPrtshpInd | 0 | false |
| IRS990/ActivityOrMissionDesc | 0 | MAINTENANCE AND PRESERVATION OF THE HISTORICAL BUILDINGS AND WORKS IN THE VILLAGE OF AMAGANSETT. |
| IRS990/AdvertisingGrp/ProgramServicesAmt | 0 | 2053 |
| IRS990/AdvertisingGrp/TotalAmt | 0 | 2053 |
| IRS990/AllOtherContributionsAmt | 0 | 467710 |
| IRS990/AllOtherExpensesGrp/ProgramServicesAmt | 0 | 3100 |
| IRS990/AllOtherExpensesGrp/TotalAmt | 0 | 3100 |
| IRS990/BackupWthldComplianceInd | 0 | false |
| IRS990/BooksInCareOfDetail/PersonNm | 0 | JOHN COURTNEY |
| IRS990/BooksInCareOfDetail/PhoneNum | 0 | 6312673020 |
| IRS990/BooksInCareOfDetail/USAddress/AddressLine1Txt | 0 | PO BOX 7077 |
| IRS990/BooksInCareOfDetail/USAddress/CityNm | 0 | AMAGANSETT |
| IRS990/BooksInCareOfDetail/USAddress/StateAbbreviationCd | 0 | NY |
| IRS990/BooksInCareOfDetail/USAddress/ZIPCd | 0 | 11930 |
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| IRS990/BusinessRlnWithOrgMemInd | 0 | false |
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| IRS990/CashNonInterestBearingGrp/EOYAmt | 0 | 350288 |
| IRS990/ChangeToOrgDocumentsInd | 0 | false |
| IRS990/CollectionsOfArtInd | 0 | true |
| IRS990/CompensationFromOtherSrcsInd | 0 | false |
| IRS990/CompensationProcessCEOInd | 0 | false |
| IRS990/CompensationProcessOtherInd | 0 | false |
| IRS990/ConflictOfInterestPolicyInd | 0 | false |
| IRS990/ConservationEasementsInd | 0 | false |
| IRS990/ConsolidatedAuditFinclStmtInd | 0 | false |
| IRS990/CreditCounselingInd | 0 | false |
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| IRS990/CYOtherRevenueAmt | 0 | 8 |
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| IRS990/CYRevenuesLessExpensesAmt | 0 | 399124 |
| IRS990/CYSalariesCompEmpBnftPaidAmt | 0 | 12000 |
| IRS990/CYTotalExpensesAmt | 0 | 83782 |
| IRS990/CYTotalFundraisingExpenseAmt | 0 | 0 |
| IRS990/CYTotalProfFndrsngExpnsAmt | 0 | 0 |
| IRS990/CYTotalRevenueAmt | 0 | 482906 |
| IRS990/DecisionsSubjectToApprovaInd | 0 | false |
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| IRS990/DelegationOfMgmtDutiesInd | 0 | false |
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| IRS990/DepreciationDepletionGrp/TotalAmt | 0 | 22567 |
| IRS990/Desc | 0 | MAINTENANCE AND PRESERVATION OF THE HISTORICAL BUILDINGS AND WORKS IN THE VILLAGE OF AMAGANSETT. |
| IRS990/DescribedInSection501c3Ind | 0 | true |
| IRS990/DisregardedEntityInd | 0 | false |
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| IRS990/ElectionOfBoardMembersInd | 0 | false |
| IRS990/EmployeeCnt | 0 | 0 |
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| IRS990/FamilyOrBusinessRlnInd | 0 | false |
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| IRS990/FeesForServicesAccountingGrp/TotalAmt | 0 | 6227 |
| IRS990/ForeignActivitiesInd | 0 | false |
| IRS990/ForeignFinancialAccountInd | 0 | false |
| IRS990/ForeignOfficeInd | 0 | false |
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| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 5 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 6 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 0 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 1 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 2 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 3 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 4 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 5 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 6 | 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/OtherCompensationAmt | 4 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 5 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 6 | 0 |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 0 | PETER GARNHAM |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 1 | JOHN COURTNEY |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 2 | ROBERTA ELINS DINKES |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 3 | ROBERT MOSS |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 4 | THOMAS THORSEN |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 5 | JOAN TULP |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 6 | GREG ZWIRKO |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 0 | 12000 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 1 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 2 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 3 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 4 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 5 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 6 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 1 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 2 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 3 | 0 |
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| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 5 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 6 | 0 |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 0 | PRESIDENT |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 1 | TREASURER |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 2 | SECRETARY |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 3 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 4 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 5 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 6 | TRUSTEE |
| IRS990/Form990ProvidedToGvrnBodyInd | 0 | true |
| IRS990/FormationYr | 0 | 1964 |
| IRS990/FormerOfcrEmployeesListedInd | 0 | false |
| IRS990/FSAuditedInd | 0 | false |
| IRS990/FundraisingActivitiesInd | 0 | false |
| IRS990/GamingActivitiesInd | 0 | false |
| IRS990/GoverningBodyVotingMembersCnt | 0 | 7 |
| IRS990/GrantsToIndividualsInd | 0 | false |
| IRS990/GrantsToOrganizationsInd | 0 | false |
| IRS990/GrantToRelatedPersonInd | 0 | false |
| IRS990/GrossReceiptsAmt | 0 | 482906 |
| IRS990/GroupReturnForAffiliatesInd | 0 | false |
| IRS990/IncludeFIN48FootnoteInd | 0 | false |
| IRS990/IndependentAuditFinclStmtInd | 0 | false |
| IRS990/IndependentVotingMemberCnt | 0 | 6 |
| IRS990/IndoorTanningServicesInd | 0 | false |
| IRS990/InfoInScheduleOPartIIIInd | 0 | X |
| IRS990/InfoInScheduleOPartVIInd | 0 | X |
| IRS990/InsuranceGrp/ProgramServicesAmt | 0 | 16906 |
| IRS990/InsuranceGrp/TotalAmt | 0 | 16906 |
| IRS990/InventoriesForSaleOrUseGrp/BOYAmt | 0 | 1800 |
| IRS990/InventoriesForSaleOrUseGrp/EOYAmt | 0 | 1800 |
| IRS990/InvestmentIncomeGrp/RelatedOrExemptFuncIncomeAmt | 0 | 821 |
| IRS990/InvestmentIncomeGrp/TotalRevenueColumnAmt | 0 | 821 |
| IRS990/InvestmentInJointVentureInd | 0 | false |
| IRS990/InvestmentsPubTradedSecGrp/BOYAmt | 0 | 31288 |
| IRS990/InvestmentsPubTradedSecGrp/EOYAmt | 0 | 30919 |
| IRS990/IRPDocumentCnt | 0 | 2 |
| IRS990/IRPDocumentW2GCnt | 0 | 0 |
| IRS990/LandBldgEquipAccumDeprecAmt | 0 | 587648 |
| IRS990/LandBldgEquipBasisNetGrp/BOYAmt | 0 | 574569 |
| IRS990/LandBldgEquipBasisNetGrp/EOYAmt | 0 | 698331 |
| IRS990/LandBldgEquipCostOrOtherBssAmt | 0 | 1285979 |
| IRS990/LegalDomicileStateCd | 0 | NY |
| IRS990/LoanOutstandingInd | 0 | false |
| IRS990/LobbyingActivitiesInd | 0 | false |
| IRS990/LocalChaptersInd | 0 | false |
| IRS990/MaterialDiversionOrMisuseInd | 0 | false |
| IRS990/MembersOrStockholdersInd | 0 | false |
| IRS990/MethodOfAccountingAccrualInd | 0 | X |
| IRS990/MinutesOfCommitteesInd | 0 | false |
| IRS990/MinutesOfGoverningBodyInd | 0 | true |
| IRS990/MissionDesc | 0 | THE AMAGANSETT HISTORICAL ASSOCIATION IS DEDICATED TO PRESERVING THE CULTURAL HERITAGE OF THE HAMLET OF AMAGANSETT - FOUNDED IN 1680, FOR THE BENEFIT OF THE LOCAL COMMUNITY, SCHOLARS AND STUDENTS, AND THE GENERAL PUBLIC THAT VISITS THE AREA. |
| IRS990/MoreThan5000KToIndividualsInd | 0 | false |
| IRS990/MoreThan5000KToOrgInd | 0 | false |
| IRS990/NetAssetsOrFundBalancesBOYAmt | 0 | 683582 |
| IRS990/NetAssetsOrFundBalancesEOYAmt | 0 | 1082338 |
| IRS990/NetUnrlzdGainsLossesInvstAmt | 0 | -368 |
| IRS990/NoDonorRestrictionNetAssetsGrp/BOYAmt | 0 | 683582 |
| IRS990/NoDonorRestrictionNetAssetsGrp/EOYAmt | 0 | 1082338 |
| IRS990/NondeductibleContributionsInd | 0 | false |
| IRS990/OfficeExpensesGrp/ManagementAndGeneralAmt | 0 | 1644 |
| IRS990/OfficeExpensesGrp/TotalAmt | 0 | 1644 |
| IRS990/OfficerMailingAddressInd | 0 | false |
| IRS990/OperateHospitalInd | 0 | false |
| IRS990/Organization501c3Ind | 0 | X |
| IRS990/OrganizationFollowsFASB117Ind | 0 | X |
| IRS990/OtherExpensesGrp/Desc | 0 | GROUNDS & BUILDING MAINTE |
| IRS990/OtherExpensesGrp/Desc | 1 | GAS & ELECTRIC |
| IRS990/OtherExpensesGrp/Desc | 2 | IRS FEES |
| IRS990/OtherExpensesGrp/Desc | 3 | INTERNET |
| IRS990/OtherExpensesGrp/ManagementAndGeneralAmt | 0 | 3500 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 0 | 7685 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 1 | 6536 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 2 | 1564 |
| IRS990/OtherExpensesGrp/TotalAmt | 0 | 7685 |
| IRS990/OtherExpensesGrp/TotalAmt | 1 | 6536 |
| IRS990/OtherExpensesGrp/TotalAmt | 2 | 3500 |
| IRS990/OtherExpensesGrp/TotalAmt | 3 | 1564 |
| IRS990/OtherRevenueMiscGrp/Desc | 0 | INSURANCE REFUND |
| IRS990/OtherRevenueMiscGrp/RelatedOrExemptFuncIncomeAmt | 0 | 8 |
| IRS990/OtherRevenueMiscGrp/TotalRevenueColumnAmt | 0 | 8 |
| IRS990/OtherRevenueTotalAmt | 0 | 8 |
| IRS990/OtherSalariesAndWagesGrp/ProgramServicesAmt | 0 | 12000 |
| IRS990/OtherSalariesAndWagesGrp/TotalAmt | 0 | 12000 |
| IRS990/PartialLiquidationInd | 0 | false |
| IRS990/PoliticalCampaignActyInd | 0 | false |
| IRS990/PrepaidExpensesDefrdChargesGrp/EOYAmt | 0 | 1000 |
| IRS990/PrincipalOfficerNm | 0 | PETER GARNHAM |
| IRS990/ProfessionalFundraisingInd | 0 | false |
| IRS990/ProgramServiceRevenueGrp/BusinessCd | 0 | 532000 |
| IRS990/ProgramServiceRevenueGrp/ExclusionAmt | 0 | 14367 |
| IRS990/ProgramServiceRevenueGrp/TotalRevenueColumnAmt | 0 | 14367 |
| IRS990/ProhibitedTaxShelterTransInd | 0 | false |
| IRS990/PYContributionsGrantsAmt | 0 | 66184 |
| IRS990/PYExcessBenefitTransInd | 0 | false |
| IRS990/PYInvestmentIncomeAmt | 0 | 609 |
| IRS990/PYOtherExpensesAmt | 0 | 66747 |
| IRS990/PYOtherRevenueAmt | 0 | 8 |
| IRS990/PYProgramServiceRevenueAmt | 0 | 11976 |
| IRS990/PYRevenuesLessExpensesAmt | 0 | 30 |
| IRS990/PYSalariesCompEmpBnftPaidAmt | 0 | 12000 |
| IRS990/PYTotalExpensesAmt | 0 | 78747 |
| IRS990/PYTotalRevenueAmt | 0 | 78777 |
| IRS990/ReconcilationRevenueExpnssAmt | 0 | 399124 |
| IRS990/RelatedEntityInd | 0 | false |
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| IRS990/ReportOtherLiabilitiesInd | 0 | false |
| IRS990/ReportProgramRelatedInvstInd | 0 | false |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearAmt | 0 | 467710 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearMinus1YearAmt | 0 | 66184 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearMinus2YearsAmt | 0 | 80614 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearMinus3YearsAmt | 0 | 85892 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearMinus4YearsAmt | 0 | 70714 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/TotalAmt | 0 | 771114 |
| IRS990ScheduleA/GrossInvestmentIncome170Grp/CurrentTaxYearAmt | 0 | 821 |
| IRS990ScheduleA/GrossInvestmentIncome170Grp/CurrentTaxYearMinus1YearAmt | 0 | 609 |
| IRS990ScheduleA/GrossInvestmentIncome170Grp/CurrentTaxYearMinus2YearsAmt | 0 | 678 |
| IRS990ScheduleA/GrossInvestmentIncome170Grp/CurrentTaxYearMinus3YearsAmt | 0 | 848 |
| IRS990ScheduleA/GrossInvestmentIncome170Grp/CurrentTaxYearMinus4YearsAmt | 0 | 677 |
| IRS990ScheduleA/GrossInvestmentIncome170Grp/TotalAmt | 0 | 3633 |
| IRS990ScheduleA/GrossReceiptsRltdActivitiesAmt | 0 | 13422 |
| IRS990ScheduleA/OtherIncome170Grp/CurrentTaxYearAmt | 0 | 14367 |
| IRS990ScheduleA/OtherIncome170Grp/TotalAmt | 0 | 14367 |
| IRS990ScheduleA/PublicOrganization170Ind | 0 | X |
| IRS990ScheduleA/PublicSupportCY170Pct | 0 | 0.25980 |
| IRS990ScheduleA/PublicSupportPY170Pct | 0 | 0.37990 |
| IRS990ScheduleA/PublicSupportTotal170Amt | 0 | 205037 |
| IRS990ScheduleA/SubstantialContributorsTotAmt | 0 | 566077 |
| IRS990ScheduleA/ThirtyThrPctSuprtTestsPY170Ind | 0 | X |
| IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearAmt | 0 | 467710 |
| IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearMinus1YearAmt | 0 | 66184 |
| IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearMinus2YearsAmt | 0 | 80614 |
| IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearMinus3YearsAmt | 0 | 85892 |
| IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearMinus4YearsAmt | 0 | 70714 |
| IRS990ScheduleA/TotalCalendarYear170Grp/TotalAmt | 0 | 771114 |
| IRS990ScheduleA/TotalSupportAmt | 0 | 789114 |
| 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/BuildingsGrp/BookValueAmt | 0 | 694629 |
| IRS990ScheduleD/BuildingsGrp/DepreciationAmt | 0 | 551794 |
| IRS990ScheduleD/BuildingsGrp/OtherCostOrOtherBasisAmt | 0 | 1246423 |
| IRS990ScheduleD/CollectionUsedPreservationInd | 0 | X |
| IRS990ScheduleD/CollectionUsedPubExhibitionInd | 0 | X |
| IRS990ScheduleD/EquipmentGrp/BookValueAmt | 0 | 3702 |
| IRS990ScheduleD/EquipmentGrp/DepreciationAmt | 0 | 35854 |
| IRS990ScheduleD/EquipmentGrp/OtherCostOrOtherBasisAmt | 0 | 39556 |
| IRS990ScheduleD/SolicitedAssetsSaleInd | 0 | false |
| IRS990ScheduleD/SupplementalInformationDetail/ExplanationTxt | 0 | FINANICAL STATEMENTS ARE NOT ISSUED |
| IRS990ScheduleD/SupplementalInformationDetail/ExplanationTxt | 1 | TO MEET THE MISSION OF THE ASSOCIATION, IT COLLECTS AND DISSEMINATES INFORMATION ABOUT THE HAMLET OF AMAGANSETT THAT ILLUSTRATES IT'S AGRARIAN PAST, THE CHANGES IN DOMESTIC, SOCIAL AND AGRICULTURAL PRACTICE DURING THE 19TH CENTURY, AND THE GRADUAL TRANSITION TO A RESORT ECONOMY. THE ASSOCIATION COLLECTS ITEMS OF LOCAL PROVENANCE INCLUDING CARRIAGES, FURNISHINGS, LETTERS AND OTHER ITEMS SUCH AS PHOTOGRAPHS SO THAT A RECORD OF AMAGANSETT'S BUCOLIC AND RURAL PAST WILL BE PRESERVED. THE MAIN FOCUS IS ON THE PERIOD FROM 1725 TO 1925. THE ASSOCIATION ALSO OWNS SOME HISTORICAL BUILDINGS THAT HOUSE THE ITEMS MENTIONED ABOVE. |
| IRS990ScheduleD/SupplementalInformationDetail/FormAndLineReferenceDesc | 0 | SCHEDULE D, PAGE 1, PART III, LINE 1A |
| IRS990ScheduleD/SupplementalInformationDetail/FormAndLineReferenceDesc | 1 | SCHEDULE D, PAGE 2, PART III, LINE 4 |
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| IRS990/ScheduleJRequiredInd | 0 | false |
| IRS990/ScheduleORequiredInd | 0 | true |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 0 | THE AMAGANSETT HISTORICAL ASSOCIATION IS DEDICATED TO PRESERVING THE CULTURAL HERITAGE OF THE HAMLET OF AMAGANSETT - FOUNDED IN 1680, FOR THE BENEFIT OF THE LOCAL COMMUNITY, SCHOLARS AND STUDENTS, AND THE GENERAL PUBLIC THAT VISITS THE AREA. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 1 | NOT APPLICABLE - THERE IS NO COMMITTEE WITH AUTHORITY TO ACT ON BEHALF OF THE GOVERNING BODY IN THIS ORGANIZATION |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 2 | THE ORGANIZATION RECEIVES A COPY OF THE DRAFT FORM 990, REVIEWS THE INFORMATION CONTAINED THEREIN WITH THE OFFICERS, MAKES ANY NECESSARY CHANGES, AND APPROVES THE FORM 990 FOR SUBMISSION TO THE IRS. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 3 | INFORMATION ABOUT THE ORGANIZATION IS MADE AVAILABLE TO THE PUBLIC UPON REQUEST. INFORMATION THAT IS AVAILABLE TO THE PUBLIC INCLUDES, BUT IS NOT LIMITED TO, THE GOVERNING DOCUMENTS OF THE ORGANIZATION, FINANCIAL INFORMATION AND TAX RETURNS. |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 0 | FORM 990 - ORGANIZATION'S MISSION |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 1 | FORM 990, PAGE 6, PART VI, LINE 8B |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 2 | FORM 990, PAGE 6, PART VI, LINE 11B |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 3 | FORM 990, PAGE 6, PART VI, LINE 19 |
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| IRS990/USAddress/CityNm | 0 | AMAGANSETT |
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| ReturnHeader/BuildTS | 0 | 2025-03-06 01:10:19Z |
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| ReturnHeader/BusinessOfficerGrp/PersonNm | 0 | PETER GARNHAM |
| ReturnHeader/BusinessOfficerGrp/PersonTitleTxt | 0 | PRESIDENT |
| ReturnHeader/BusinessOfficerGrp/PhoneNum | 0 | 6312673020 |
| ReturnHeader/BusinessOfficerGrp/SignatureDt | 0 | 2025-08-12 |
| ReturnHeader/Filer/BusinessName/BusinessNameLine1Txt | 0 | AMAGANSETT HISTORICAL ASSOCIATION |
| ReturnHeader/Filer/BusinessNameControlTxt | 0 | AMAG |
| ReturnHeader/Filer/EIN | 0 | 116036242 |
| ReturnHeader/Filer/PhoneNum | 0 | 6312673020 |
| ReturnHeader/Filer/USAddress/AddressLine1Txt | 0 | PO BOX 7077 |
| ReturnHeader/Filer/USAddress/CityNm | 0 | AMAGANSETT |
| ReturnHeader/Filer/USAddress/StateAbbreviationCd | 0 | NY |
| ReturnHeader/Filer/USAddress/ZIPCd | 0 | 11930 |
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| ReturnHeader/PreparerFirmGrp/PreparerFirmEIN | 0 | 832395198 |
| ReturnHeader/PreparerFirmGrp/PreparerFirmName/BusinessNameLine1Txt | 0 | MIRRAS JACOBY KIRAN & HATGISTAVROU I |
| ReturnHeader/PreparerFirmGrp/PreparerUSAddress/AddressLine1Txt | 0 | PO BOX 504 |
| ReturnHeader/PreparerFirmGrp/PreparerUSAddress/CityNm | 0 | WAINSCOTT |
| ReturnHeader/PreparerFirmGrp/PreparerUSAddress/StateAbbreviationCd | 0 | NY |
| ReturnHeader/PreparerFirmGrp/PreparerUSAddress/ZIPCd | 0 | 11975 |
| ReturnHeader/PreparerPersonGrp/PhoneNum | 0 | 6317257798 |
| ReturnHeader/PreparerPersonGrp/PreparationDt | 0 | 2025-08-13 |
| ReturnHeader/PreparerPersonGrp/PreparerPersonNm | 0 | CATHY K HATGISTAVROUCPA |
| ReturnHeader/ReturnTs | 0 | 2025-08-13T16:08:00-04:00 |
| ReturnHeader/ReturnTypeCd | 0 | 990 |
| ReturnHeader/TaxPeriodBeginDt | 0 | 2024-04-01 |
| ReturnHeader/TaxPeriodEndDt | 0 | 2025-03-31 |
| ReturnHeader/TaxYr | 0 | 2024 |
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