Liabilities / Assets
61st percentile
Tied with the lowest-debt nonprofits in its peer group.
EIN 03-0472947 • Roslindale, MA
Precomputed percentiles relative to similar nonprofits. These scores are descriptive rather than judgmental.
Liabilities / Assets
61st percentile
Tied with the lowest-debt nonprofits in its peer group.
Liabilities / Revenue
62nd percentile
Tied with the lowest-debt nonprofits in its peer group.
Net Margin
44th percentile
Higher net margin than 44% of similar nonprofits.
Top Officer Pay
84th percentile
Higher top officer pay than 84% of similar nonprofits.
Top officer pay equals 0.0% of source-year revenue.
Asset Growth
54th percentile
Faster asset growth than 54% of similar nonprofits.
Revenue Growth
62nd percentile
Faster revenue growth than 62% of similar nonprofits.
Assets
Down$253,050
Down $940 (-0.4%) from 2023
Liabilities
Flat$0
Flat from 2023
Net Assets
Down$253,050
Down $940 (-0.4%) from 2023
Revenue
Up$87,948
Up $6,948 (+8.6%) from 2023
Expenses
Up$88,888
Up $11,495 (+15%) from 2023
Net Income
Down-$940
Down $4,547 (-126%) from 2023
Most recent year
2024 • Form 990PFDetailed filing. Detailed filing data is available for this year.
| Name | Title | Full / Part Time | Base | Other | Total |
|---|---|---|---|---|---|
| Charles Stoddard from 424 | President | PT | $0 | - | - |
| Steven Shaw to 324 | Secretary | - | $0 | - | - |
| Jeremy Hartwell to 324 | President | PT | $0 | - | - |
| Ron Tremblay | Director | - | $0 | - | - |
| Jules Jay Morris | Director | PT | $0 | - | - |
| Christopher Cardillo | Director | - | $0 | - | - |
| Thomas Landro | Director | - | $0 | - | - |
| Scot Osterweil from 424 | Treasurer | PT | $0 | - | - |
| Charles Stoddard to 324 | Treasurer | PT | $0 | - | - |
| Jay Epstein from 424 | Secretary | - | $0 | - | - |
This appendix keeps the raw XML leaves available for debugging and edge-case review. The human report above is the primary experience.
| Path | # | Value |
|---|---|---|
| AccountingFeesSchedule/AccountingFeesDetail/AdjustedNetIncomeAmt | 0 | 1192 |
| AccountingFeesSchedule/AccountingFeesDetail/Amt | 0 | 1192 |
| AccountingFeesSchedule/AccountingFeesDetail/CategoryTxt | 0 | Adam P. Cohen CPA, LLC |
| AccountingFeesSchedule/AccountingFeesDetail/DisbursementsCharitablePrpsAmt | 0 | 0 |
| AccountingFeesSchedule/AccountingFeesDetail/NetInvestmentIncomeAmt | 0 | 0 |
| DepreciationSchedule/DepreciationPropertyGrp/AcquiredDt | 0 | 2005-06-15 |
| DepreciationSchedule/DepreciationPropertyGrp/AcquiredDt | 1 | 2005-12-31 |
| DepreciationSchedule/DepreciationPropertyGrp/AcquiredDt | 2 | 2006-06-15 |
| DepreciationSchedule/DepreciationPropertyGrp/AcquiredDt | 3 | 2007-06-15 |
| DepreciationSchedule/DepreciationPropertyGrp/AcquiredDt | 4 | 2009-06-15 |
| DepreciationSchedule/DepreciationPropertyGrp/AcquiredDt | 5 | 2013-03-01 |
| DepreciationSchedule/DepreciationPropertyGrp/AcquiredDt | 6 | 2013-03-01 |
| DepreciationSchedule/DepreciationPropertyGrp/AcquiredDt | 7 | 2014-12-03 |
| DepreciationSchedule/DepreciationPropertyGrp/AcquiredDt | 8 | 2015-01-01 |
| DepreciationSchedule/DepreciationPropertyGrp/AcquiredDt | 9 | 2015-10-10 |
| DepreciationSchedule/DepreciationPropertyGrp/AcquiredDt | 10 | 2016-10-01 |
| DepreciationSchedule/DepreciationPropertyGrp/AcquiredDt | 11 | 2016-11-18 |
| DepreciationSchedule/DepreciationPropertyGrp/AcquiredDt | 12 | 2018-01-15 |
| DepreciationSchedule/DepreciationPropertyGrp/AcquiredDt | 13 | 2019-12-15 |
| DepreciationSchedule/DepreciationPropertyGrp/AcquiredDt | 14 | 2019-08-16 |
| DepreciationSchedule/DepreciationPropertyGrp/AcquiredDt | 15 | 2020-05-15 |
| DepreciationSchedule/DepreciationPropertyGrp/AcquiredDt | 16 | 2021-09-14 |
| DepreciationSchedule/DepreciationPropertyGrp/AcquiredDt | 17 | 2021-09-14 |
| DepreciationSchedule/DepreciationPropertyGrp/AcquiredDt | 18 | 2022-03-30 |
| DepreciationSchedule/DepreciationPropertyGrp/AcquiredDt | 19 | 2022-09-09 |
| DepreciationSchedule/DepreciationPropertyGrp/ComputationMethodTxt | 0 | SL |
| DepreciationSchedule/DepreciationPropertyGrp/ComputationMethodTxt | 1 | SL |
| DepreciationSchedule/DepreciationPropertyGrp/ComputationMethodTxt | 2 | SL |
| DepreciationSchedule/DepreciationPropertyGrp/ComputationMethodTxt | 3 | SL |
| DepreciationSchedule/DepreciationPropertyGrp/ComputationMethodTxt | 4 | SL |
| DepreciationSchedule/DepreciationPropertyGrp/ComputationMethodTxt | 5 | SL |
| DepreciationSchedule/DepreciationPropertyGrp/ComputationMethodTxt | 6 | SL |
| DepreciationSchedule/DepreciationPropertyGrp/ComputationMethodTxt | 7 | SL |
| DepreciationSchedule/DepreciationPropertyGrp/ComputationMethodTxt | 8 | SL |
| DepreciationSchedule/DepreciationPropertyGrp/ComputationMethodTxt | 9 | SL |
| DepreciationSchedule/DepreciationPropertyGrp/ComputationMethodTxt | 10 | SL |
| DepreciationSchedule/DepreciationPropertyGrp/ComputationMethodTxt | 11 | SL |
| DepreciationSchedule/DepreciationPropertyGrp/ComputationMethodTxt | 12 | SL |
| DepreciationSchedule/DepreciationPropertyGrp/ComputationMethodTxt | 13 | SL |
| DepreciationSchedule/DepreciationPropertyGrp/ComputationMethodTxt | 14 | SL |
| DepreciationSchedule/DepreciationPropertyGrp/ComputationMethodTxt | 15 | SL |
| DepreciationSchedule/DepreciationPropertyGrp/ComputationMethodTxt | 16 | SL |
| DepreciationSchedule/DepreciationPropertyGrp/ComputationMethodTxt | 17 | SL |
| DepreciationSchedule/DepreciationPropertyGrp/ComputationMethodTxt | 18 | SL |
| DepreciationSchedule/DepreciationPropertyGrp/ComputationMethodTxt | 19 | SL |
| DepreciationSchedule/DepreciationPropertyGrp/CostOrOtherBasisAmt | 0 | 1423 |
| DepreciationSchedule/DepreciationPropertyGrp/CostOrOtherBasisAmt | 1 | 10552 |
| DepreciationSchedule/DepreciationPropertyGrp/CostOrOtherBasisAmt | 2 | 10313 |
| DepreciationSchedule/DepreciationPropertyGrp/CostOrOtherBasisAmt | 3 | 4597 |
| DepreciationSchedule/DepreciationPropertyGrp/CostOrOtherBasisAmt | 4 | 16742 |
| DepreciationSchedule/DepreciationPropertyGrp/CostOrOtherBasisAmt | 5 | 6802 |
| DepreciationSchedule/DepreciationPropertyGrp/CostOrOtherBasisAmt | 6 | 6802 |
| DepreciationSchedule/DepreciationPropertyGrp/CostOrOtherBasisAmt | 7 | 33417 |
| DepreciationSchedule/DepreciationPropertyGrp/CostOrOtherBasisAmt | 8 | 7940 |
| DepreciationSchedule/DepreciationPropertyGrp/CostOrOtherBasisAmt | 9 | 25218 |
| DepreciationSchedule/DepreciationPropertyGrp/CostOrOtherBasisAmt | 10 | 42709 |
| DepreciationSchedule/DepreciationPropertyGrp/CostOrOtherBasisAmt | 11 | 3062 |
| DepreciationSchedule/DepreciationPropertyGrp/CostOrOtherBasisAmt | 12 | 6820 |
| DepreciationSchedule/DepreciationPropertyGrp/CostOrOtherBasisAmt | 13 | 16376 |
| DepreciationSchedule/DepreciationPropertyGrp/CostOrOtherBasisAmt | 14 | 1448 |
| DepreciationSchedule/DepreciationPropertyGrp/CostOrOtherBasisAmt | 15 | 19675 |
| DepreciationSchedule/DepreciationPropertyGrp/CostOrOtherBasisAmt | 16 | 16850 |
| DepreciationSchedule/DepreciationPropertyGrp/CostOrOtherBasisAmt | 17 | 16850 |
| DepreciationSchedule/DepreciationPropertyGrp/CostOrOtherBasisAmt | 18 | 5680 |
| DepreciationSchedule/DepreciationPropertyGrp/CostOrOtherBasisAmt | 19 | 3024 |
| DepreciationSchedule/DepreciationPropertyGrp/CurrentYearExpenseAmt | 0 | 36 |
| DepreciationSchedule/DepreciationPropertyGrp/CurrentYearExpenseAmt | 1 | 271 |
| DepreciationSchedule/DepreciationPropertyGrp/CurrentYearExpenseAmt | 2 | 264 |
| DepreciationSchedule/DepreciationPropertyGrp/CurrentYearExpenseAmt | 3 | 118 |
| DepreciationSchedule/DepreciationPropertyGrp/CurrentYearExpenseAmt | 4 | 429 |
| DepreciationSchedule/DepreciationPropertyGrp/CurrentYearExpenseAmt | 5 | 174 |
| DepreciationSchedule/DepreciationPropertyGrp/CurrentYearExpenseAmt | 6 | 340 |
| DepreciationSchedule/DepreciationPropertyGrp/CurrentYearExpenseAmt | 7 | 1671 |
| DepreciationSchedule/DepreciationPropertyGrp/CurrentYearExpenseAmt | 8 | 397 |
| DepreciationSchedule/DepreciationPropertyGrp/CurrentYearExpenseAmt | 9 | 1261 |
| DepreciationSchedule/DepreciationPropertyGrp/CurrentYearExpenseAmt | 10 | 2135 |
| DepreciationSchedule/DepreciationPropertyGrp/CurrentYearExpenseAmt | 11 | 153 |
| DepreciationSchedule/DepreciationPropertyGrp/CurrentYearExpenseAmt | 12 | 682 |
| DepreciationSchedule/DepreciationPropertyGrp/CurrentYearExpenseAmt | 13 | 1638 |
| DepreciationSchedule/DepreciationPropertyGrp/CurrentYearExpenseAmt | 14 | 191 |
| DepreciationSchedule/DepreciationPropertyGrp/CurrentYearExpenseAmt | 15 | 1968 |
| DepreciationSchedule/DepreciationPropertyGrp/CurrentYearExpenseAmt | 16 | 843 |
| DepreciationSchedule/DepreciationPropertyGrp/CurrentYearExpenseAmt | 17 | 843 |
| DepreciationSchedule/DepreciationPropertyGrp/CurrentYearExpenseAmt | 18 | 568 |
| DepreciationSchedule/DepreciationPropertyGrp/CurrentYearExpenseAmt | 19 | 302 |
| DepreciationSchedule/DepreciationPropertyGrp/LifeRt | 0 | 20.0000 |
| DepreciationSchedule/DepreciationPropertyGrp/LifeRt | 1 | 20.0000 |
| DepreciationSchedule/DepreciationPropertyGrp/LifeRt | 2 | 20.0000 |
| DepreciationSchedule/DepreciationPropertyGrp/LifeRt | 3 | 20.0000 |
| DepreciationSchedule/DepreciationPropertyGrp/LifeRt | 4 | 20.0000 |
| DepreciationSchedule/DepreciationPropertyGrp/LifeRt | 5 | 20.0000 |
| DepreciationSchedule/DepreciationPropertyGrp/LifeRt | 6 | 10.0000 |
| DepreciationSchedule/DepreciationPropertyGrp/LifeRt | 7 | 10.0000 |
| DepreciationSchedule/DepreciationPropertyGrp/LifeRt | 8 | 5.0000 |
| DepreciationSchedule/DepreciationPropertyGrp/LifeRt | 9 | 10.0000 |
| DepreciationSchedule/DepreciationPropertyGrp/LifeRt | 10 | 20.0000 |
| DepreciationSchedule/DepreciationPropertyGrp/LifeRt | 11 | 20.0000 |
| DepreciationSchedule/DepreciationPropertyGrp/LifeRt | 12 | 10.0000 |
| DepreciationSchedule/DepreciationPropertyGrp/LifeRt | 13 | 10.0000 |
| DepreciationSchedule/DepreciationPropertyGrp/NetInvestmentIncomeAmt | 0 | 36 |
| DepreciationSchedule/DepreciationPropertyGrp/NetInvestmentIncomeAmt | 1 | 271 |
| DepreciationSchedule/DepreciationPropertyGrp/NetInvestmentIncomeAmt | 2 | 264 |
| DepreciationSchedule/DepreciationPropertyGrp/NetInvestmentIncomeAmt | 3 | 118 |
| DepreciationSchedule/DepreciationPropertyGrp/NetInvestmentIncomeAmt | 4 | 174 |
| DepreciationSchedule/DepreciationPropertyGrp/NetInvestmentIncomeAmt | 5 | 153 |
| DepreciationSchedule/DepreciationPropertyGrp/NetInvestmentIncomeAmt | 6 | 682 |
| DepreciationSchedule/DepreciationPropertyGrp/NetInvestmentIncomeAmt | 7 | 843 |
| DepreciationSchedule/DepreciationPropertyGrp/PriorYearDepreciationAmt | 0 | 669 |
| DepreciationSchedule/DepreciationPropertyGrp/PriorYearDepreciationAmt | 1 | 4878 |
| DepreciationSchedule/DepreciationPropertyGrp/PriorYearDepreciationAmt | 2 | 4642 |
| DepreciationSchedule/DepreciationPropertyGrp/PriorYearDepreciationAmt | 3 | 1957 |
| DepreciationSchedule/DepreciationPropertyGrp/PriorYearDepreciationAmt | 4 | 6256 |
| DepreciationSchedule/DepreciationPropertyGrp/PriorYearDepreciationAmt | 5 | 1878 |
| DepreciationSchedule/DepreciationPropertyGrp/PriorYearDepreciationAmt | 6 | 3683 |
| DepreciationSchedule/DepreciationPropertyGrp/PriorYearDepreciationAmt | 7 | 15178 |
| DepreciationSchedule/DepreciationPropertyGrp/PriorYearDepreciationAmt | 8 | 3606 |
| DepreciationSchedule/DepreciationPropertyGrp/PriorYearDepreciationAmt | 9 | 10430 |
| DepreciationSchedule/DepreciationPropertyGrp/PriorYearDepreciationAmt | 10 | 15479 |
| DepreciationSchedule/DepreciationPropertyGrp/PriorYearDepreciationAmt | 11 | 1084 |
| DepreciationSchedule/DepreciationPropertyGrp/PriorYearDepreciationAmt | 12 | 4092 |
| DepreciationSchedule/DepreciationPropertyGrp/PriorYearDepreciationAmt | 13 | 6688 |
| DepreciationSchedule/DepreciationPropertyGrp/PriorYearDepreciationAmt | 14 | 1257 |
| DepreciationSchedule/DepreciationPropertyGrp/PriorYearDepreciationAmt | 15 | 7216 |
| DepreciationSchedule/DepreciationPropertyGrp/PriorYearDepreciationAmt | 16 | 1967 |
| DepreciationSchedule/DepreciationPropertyGrp/PriorYearDepreciationAmt | 17 | 1967 |
| DepreciationSchedule/DepreciationPropertyGrp/PriorYearDepreciationAmt | 18 | 994 |
| DepreciationSchedule/DepreciationPropertyGrp/PriorYearDepreciationAmt | 19 | 403 |
| DepreciationSchedule/DepreciationPropertyGrp/PropertyDesc | 0 | Gardener's floor |
| DepreciationSchedule/DepreciationPropertyGrp/PropertyDesc | 1 | Siding |
| DepreciationSchedule/DepreciationPropertyGrp/PropertyDesc | 2 | Building improvements |
| DepreciationSchedule/DepreciationPropertyGrp/PropertyDesc | 3 | Building improvements |
| DepreciationSchedule/DepreciationPropertyGrp/PropertyDesc | 4 | HVAC - upstairs museum |
| DepreciationSchedule/DepreciationPropertyGrp/PropertyDesc | 5 | Windows - Rental Property |
| DepreciationSchedule/DepreciationPropertyGrp/PropertyDesc | 6 | Windows - Museum |
| DepreciationSchedule/DepreciationPropertyGrp/PropertyDesc | 7 | Ceiling - Museum |
| DepreciationSchedule/DepreciationPropertyGrp/PropertyDesc | 8 | Ceiling - Museum |
| DepreciationSchedule/DepreciationPropertyGrp/PropertyDesc | 9 | Ceiling/Lighting Ph II |
| DepreciationSchedule/DepreciationPropertyGrp/PropertyDesc | 10 | Phillips Room |
| DepreciationSchedule/DepreciationPropertyGrp/PropertyDesc | 11 | Oil tank |
| DepreciationSchedule/DepreciationPropertyGrp/PropertyDesc | 12 | Tenant improvements |
| DepreciationSchedule/DepreciationPropertyGrp/PropertyDesc | 13 | HVAC - Museum |
| DepreciationSchedule/DepreciationPropertyGrp/PropertyDesc | 14 | AED |
| DepreciationSchedule/DepreciationPropertyGrp/PropertyDesc | 15 | Bathroom renovation |
| DepreciationSchedule/DepreciationPropertyGrp/PropertyDesc | 16 | Roof replacement - Museum |
| DepreciationSchedule/DepreciationPropertyGrp/PropertyDesc | 17 | Roof replacement - Rentals |
| DepreciationSchedule/DepreciationPropertyGrp/PropertyDesc | 18 | Rear Stairway replacement - Museum |
| DepreciationSchedule/DepreciationPropertyGrp/PropertyDesc | 19 | Stair lift - US Mechanical |
| DepreciationSchedule/DepreciationPropertyGrp/Rt | 0 | 0.0256 |
| DepreciationSchedule/DepreciationPropertyGrp/Rt | 1 | 0.0256 |
| DepreciationSchedule/DepreciationPropertyGrp/Rt | 2 | 0.0256 |
| DepreciationSchedule/DepreciationPropertyGrp/Rt | 3 | 0.0256 |
| DepreciationSchedule/DepreciationPropertyGrp/Rt | 4 | 0.0256 |
| DepreciationSchedule/DepreciationPropertyGrp/Rt | 5 | 0.0256 |
| IRS990PF/AnalysisIncomeProducingActyGrp/IntOnSavAndTempCashInvstGrp/ExclusionAmt | 0 | 19 |
| IRS990PF/AnalysisIncomeProducingActyGrp/IntOnSavAndTempCashInvstGrp/ExclusionCd | 0 | 14 |
| IRS990PF/AnalysisIncomeProducingActyGrp/NetRntlIncmReNotDebtFincdProp/ExclusionAmt | 0 | 21980 |
| IRS990PF/AnalysisIncomeProducingActyGrp/NetRntlIncmReNotDebtFincdProp/ExclusionCd | 0 | 16 |
| IRS990PF/AnalysisIncomeProducingActyGrp/OtherRevenueDescribedGrp/Desc | 0 | Annual meeting |
| IRS990PF/AnalysisIncomeProducingActyGrp/OtherRevenueDescribedGrp/Desc | 1 | Membership dues/assessmts |
| IRS990PF/AnalysisIncomeProducingActyGrp/OtherRevenueDescribedGrp/RelatedOrExemptFunctionIncmAmt | 0 | 690 |
| IRS990PF/AnalysisIncomeProducingActyGrp/OtherRevenueDescribedGrp/RelatedOrExemptFunctionIncmAmt | 1 | 14139 |
| IRS990PF/AnalysisIncomeProducingActyGrp/ProgramServiceRevenueDtl/Desc | 0 | Open house events |
| IRS990PF/AnalysisIncomeProducingActyGrp/ProgramServiceRevenueDtl/RelatedOrExemptFunctionIncmAmt | 0 | 15761 |
| IRS990PF/AnalysisIncomeProducingActyGrp/SubtotalsIncmProducingActyGrp/ExclusionAmt | 0 | 21999 |
| IRS990PF/AnalysisIncomeProducingActyGrp/SubtotalsIncmProducingActyGrp/RelatedOrExemptFunctionIncmAmt | 0 | 30590 |
| IRS990PF/AnalysisIncomeProducingActyGrp/TotalIncomeProducingActyAmt | 0 | 52589 |
| IRS990PF/AnalysisOfRevenueAndExpenses/AccountingFeesAdjNetIncmAmt | 0 | 1192 |
| IRS990PF/AnalysisOfRevenueAndExpenses/AccountingFeesRevAndExpnssAmt | 0 | 1192 |
| IRS990PF/AnalysisOfRevenueAndExpenses/ContriPaidDsbrsChrtblAmt | 0 | 500 |
| IRS990PF/AnalysisOfRevenueAndExpenses/ContriPaidRevAndExpnssAmt | 0 | 500 |
| IRS990PF/AnalysisOfRevenueAndExpenses/ContriRcvdRevAndExpnssAmt | 0 | 5964 |
| IRS990PF/AnalysisOfRevenueAndExpenses/DeprecAndDpltnAdjNetIncmAmt | 0 | 9202 |
| IRS990PF/AnalysisOfRevenueAndExpenses/DeprecAndDpltnNetInvstIncmAmt | 0 | 2541 |
| IRS990PF/AnalysisOfRevenueAndExpenses/DeprecAndDpltnRevAndExpnssAmt | 0 | 14284 |
| IRS990PF/AnalysisOfRevenueAndExpenses/ExcessRevenueOverExpensesAmt | 0 | -940 |
| IRS990PF/AnalysisOfRevenueAndExpenses/GrossRentsNetInvstIncmAmt | 0 | 51375 |
| IRS990PF/AnalysisOfRevenueAndExpenses/GrossRentsRevAndExpnssAmt | 0 | 51375 |
| IRS990PF/AnalysisOfRevenueAndExpenses/InterestOnSavNetInvstIncmAmt | 0 | 19 |
| IRS990PF/AnalysisOfRevenueAndExpenses/InterestOnSavRevAndExpnssAmt | 0 | 19 |
| IRS990PF/AnalysisOfRevenueAndExpenses/LegalFeesAdjNetIncmAmt | 0 | 2629 |
| IRS990PF/AnalysisOfRevenueAndExpenses/LegalFeesRevAndExpnssAmt | 0 | 2629 |
| IRS990PF/AnalysisOfRevenueAndExpenses/NetInvestmentIncomeAmt | 0 | 21999 |
| IRS990PF/AnalysisOfRevenueAndExpenses/NetRentalIncomeOrLossAmt | 0 | 21980 |
| IRS990PF/AnalysisOfRevenueAndExpenses/OccupancyAdjNetIncmAmt | 0 | 5163 |
| IRS990PF/AnalysisOfRevenueAndExpenses/OccupancyDsbrsChrtblAmt | 0 | 10372 |
| IRS990PF/AnalysisOfRevenueAndExpenses/OccupancyRevAndExpnssAmt | 0 | 15535 |
| IRS990PF/AnalysisOfRevenueAndExpenses/OtherExpensesAdjNetIncmAmt | 0 | 12404 |
| IRS990PF/AnalysisOfRevenueAndExpenses/OtherExpensesDsbrsChrtblAmt | 0 | 5141 |
| IRS990PF/AnalysisOfRevenueAndExpenses/OtherExpensesNetInvstIncmAmt | 0 | 26854 |
| IRS990PF/AnalysisOfRevenueAndExpenses/OtherExpensesRevAndExpnssAmt | 0 | 44399 |
| IRS990PF/AnalysisOfRevenueAndExpenses/OtherIncomeAdjNetIncmAmt | 0 | 30590 |
| IRS990PF/AnalysisOfRevenueAndExpenses/OtherIncomeRevAndExpnssAmt | 0 | 30590 |
| IRS990PF/AnalysisOfRevenueAndExpenses/ScheduleBNotRequiredInd | 0 | X |
| IRS990PF/AnalysisOfRevenueAndExpenses/TaxesDsbrsChrtblAmt | 0 | 10298 |
| IRS990PF/AnalysisOfRevenueAndExpenses/TaxesRevAndExpnssAmt | 0 | 10349 |
| IRS990PF/AnalysisOfRevenueAndExpenses/TotalAdjNetIncmAmt | 0 | 30590 |
| IRS990PF/AnalysisOfRevenueAndExpenses/TotalExpensesAdjNetIncmAmt | 0 | 30590 |
| IRS990PF/AnalysisOfRevenueAndExpenses/TotalExpensesDsbrsChrtblAmt | 0 | 26311 |
| IRS990PF/AnalysisOfRevenueAndExpenses/TotalExpensesNetInvstIncmAmt | 0 | 29395 |
| IRS990PF/AnalysisOfRevenueAndExpenses/TotalExpensesRevAndExpnssAmt | 0 | 88888 |
| IRS990PF/AnalysisOfRevenueAndExpenses/TotalNetInvstIncmAmt | 0 | 51394 |
| IRS990PF/AnalysisOfRevenueAndExpenses/TotalRevAndExpnssAmt | 0 | 87948 |
| IRS990PF/AnalysisOfRevenueAndExpenses/TotOprExpensesAdjNetIncmAmt | 0 | 30590 |
| IRS990PF/AnalysisOfRevenueAndExpenses/TotOprExpensesDsbrsChrtblAmt | 0 | 25811 |
| IRS990PF/AnalysisOfRevenueAndExpenses/TotOprExpensesNetInvstIncmAmt | 0 | 29395 |
| IRS990PF/AnalysisOfRevenueAndExpenses/TotOprExpensesRevAndExpnssAmt | 0 | 88388 |
| IRS990PF/ChgInNetAssetsFundBalancesGrp/ExcessRevenueOverExpensesAmt | 0 | -940 |
| IRS990PF/ChgInNetAssetsFundBalancesGrp/SubtotalAmt | 0 | 253050 |
| IRS990PF/ChgInNetAssetsFundBalancesGrp/TotNetAstOrFundBalancesBOYAmt | 0 | 253990 |
| IRS990PF/ChgInNetAssetsFundBalancesGrp/TotNetAstOrFundBalancesEOYAmt | 0 | 253050 |
| IRS990PF/DistributableAmountGrp/DistributableAsAdjustedAmt | 0 | 23851 |
| IRS990PF/DistributableAmountGrp/DistributableBeforeAdjAmt | 0 | 23851 |
| IRS990PF/DistributableAmountGrp/DistributableBeforeDedAmt | 0 | 23851 |
| IRS990PF/DistributableAmountGrp/MinimumInvestmentReturnAmt | 0 | 24157 |
| IRS990PF/DistributableAmountGrp/TaxBasedOnInvestmentIncomeAmt | 0 | 306 |
| IRS990PF/DistributableAmountGrp/TotalTaxAmt | 0 | 306 |
| IRS990PF/ExciseTaxBasedOnInvstIncmGrp/AppliedToESTaxAmt | 0 | 745 |
| IRS990PF/ExciseTaxBasedOnInvstIncmGrp/EstimatedPlusOvpmtIncmTxAmt | 0 | 551 |
| IRS990PF/ExciseTaxBasedOnInvstIncmGrp/ExtsnRequestIncomeTaxPaidAmt | 0 | 500 |
| IRS990PF/ExciseTaxBasedOnInvstIncmGrp/InvestmentIncomeExciseTaxAmt | 0 | 306 |
| IRS990PF/ExciseTaxBasedOnInvstIncmGrp/OverpaymentAmt | 0 | 745 |
| IRS990PF/ExciseTaxBasedOnInvstIncmGrp/SubtotalAmt | 0 | 306 |
| IRS990PF/ExciseTaxBasedOnInvstIncmGrp/TaxBasedOnInvestmentIncomeAmt | 0 | 306 |
| IRS990PF/ExciseTaxBasedOnInvstIncmGrp/TotalPaymentsAndCreditsAmt | 0 | 1051 |
| IRS990PF/FMVAssetsEOYAmt | 0 | 903178 |
| IRS990PF/Form990PFBalanceSheetsGrp/CapitalStockBOYAmt | 0 | 253990 |
| IRS990PF/Form990PFBalanceSheetsGrp/CapitalStockEOYAmt | 0 | 253050 |
| IRS990PF/Form990PFBalanceSheetsGrp/CashBOYAmt | 0 | 39056 |
| IRS990PF/Form990PFBalanceSheetsGrp/CashEOYAmt | 0 | 52381 |
| IRS990PF/Form990PFBalanceSheetsGrp/CashEOYFMVAmt | 0 | 52381 |
| IRS990PF/Form990PFBalanceSheetsGrp/LandBldgEquipAccumDeprecAmt | 0 | 116471 |
| IRS990PF/Form990PFBalanceSheetsGrp/LandBldgEquipCostOrOtherBssAmt | 0 | 264162 |
| IRS990PF/Form990PFBalanceSheetsGrp/LandBOYAmt | 0 | 161975 |
| IRS990PF/Form990PFBalanceSheetsGrp/LandEOYAmt | 0 | 147691 |
| IRS990PF/Form990PFBalanceSheetsGrp/LandEOYFMVAmt | 0 | 797819 |
| IRS990PF/Form990PFBalanceSheetsGrp/OrgDoesNotFollowFASB117Ind | 0 | X |
| IRS990PF/Form990PFBalanceSheetsGrp/SavAndTempCashInvstBOYAmt | 0 | 52959 |
| IRS990PF/Form990PFBalanceSheetsGrp/SavAndTempCashInvstEOYAmt | 0 | 52978 |
| IRS990PF/Form990PFBalanceSheetsGrp/SavAndTempCashInvstEOYFMVAmt | 0 | 52978 |
| IRS990PF/Form990PFBalanceSheetsGrp/TotalAssetsBOYAmt | 0 | 253990 |
| IRS990PF/Form990PFBalanceSheetsGrp/TotalAssetsEOYAmt | 0 | 253050 |
| IRS990PF/Form990PFBalanceSheetsGrp/TotalAssetsEOYFMVAmt | 0 | 903178 |
| IRS990PF/Form990PFBalanceSheetsGrp/TotalLiabilitiesEOYAmt | 0 | 0 |
| IRS990PF/Form990PFBalanceSheetsGrp/TotalLiabilitiesNetAstBOYAmt | 0 | 253990 |
| IRS990PF/Form990PFBalanceSheetsGrp/TotalLiabilitiesNetAstEOYAmt | 0 | 253050 |
| IRS990PF/Form990PFBalanceSheetsGrp/TotNetAstOrFundBalancesBOYAmt | 0 | 253990 |
| IRS990PF/Form990PFBalanceSheetsGrp/TotNetAstOrFundBalancesEOYAmt | 0 | 253050 |
| IRS990PF/MethodOfAccountingOtherInd | 0 | X |
| IRS990PF/MinimumInvestmentReturnGrp/AdjustedTotalFMVOfUnusedAstAmt | 0 | 490504 |
| IRS990PF/MinimumInvestmentReturnGrp/AverageMonthlyCashBalancesAmt | 0 | 92754 |
| IRS990PF/MinimumInvestmentReturnGrp/AverageMonthlyFMVOfSecAmt | 0 | 0 |
| IRS990PF/MinimumInvestmentReturnGrp/CashDeemedCharitableAmt | 0 | 7358 |
| IRS990PF/MinimumInvestmentReturnGrp/FMVAllOtherNoncharitableAstAmt | 0 | 397750 |
| IRS990PF/MinimumInvestmentReturnGrp/MinimumInvestmentReturnAmt | 0 | 24157 |
| IRS990PF/MinimumInvestmentReturnGrp/NetVlNoncharitableAssetsAmt | 0 | 483146 |
| IRS990PF/MinimumInvestmentReturnGrp/ReductionClaimedAmt | 0 | 0 |
| IRS990PF/MinimumInvestmentReturnGrp/TotalFMVOfUnusedAssetsAmt | 0 | 490504 |
| IRS990PF/OfficerDirTrstKeyEmplInfoGrp/CompOfHghstPdCntrctOrNONETxt | 0 | NONE |
| IRS990PF/OfficerDirTrstKeyEmplInfoGrp/CompOfHghstPdEmplOrNONETxt | 0 | NONE |
| IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/AverageHrsPerWkDevotedToPosRt | 0 | 5.00 |
| IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/AverageHrsPerWkDevotedToPosRt | 1 | 3.00 |
| IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/AverageHrsPerWkDevotedToPosRt | 2 | 5.00 |
| IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/AverageHrsPerWkDevotedToPosRt | 3 | 2.00 |
| IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/AverageHrsPerWkDevotedToPosRt | 4 | 5.00 |
| IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/AverageHrsPerWkDevotedToPosRt | 5 | 2.00 |
| IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/AverageHrsPerWkDevotedToPosRt | 6 | 2.00 |
| IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/AverageHrsPerWkDevotedToPosRt | 7 | 5.00 |
| IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/AverageHrsPerWkDevotedToPosRt | 8 | 5.00 |
| IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/AverageHrsPerWkDevotedToPosRt | 9 | 3.00 |
| IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/CompensationAmt | 0 | 0 |
| IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/CompensationAmt | 1 | 0 |
| IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/CompensationAmt | 2 | 0 |
| IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/CompensationAmt | 3 | 0 |
| IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/CompensationAmt | 4 | 0 |
| IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/CompensationAmt | 5 | 0 |
| IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/CompensationAmt | 6 | 0 |
| IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/CompensationAmt | 7 | 0 |
| IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/CompensationAmt | 8 | 0 |
| IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/CompensationAmt | 9 | 0 |
| IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/PersonNm | 0 | Charles Stoddard from 424 |
| IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/PersonNm | 1 | Steven Shaw to 324 |
| IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/PersonNm | 2 | Jeremy Hartwell to 324 |
| IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/PersonNm | 3 | Ron Tremblay |
| IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/PersonNm | 4 | Jules Jay Morris |
| IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/PersonNm | 5 | Christopher Cardillo |
| IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/PersonNm | 6 | Thomas Landro |
| IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/PersonNm | 7 | Scot Osterweil from 424 |
| IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/PersonNm | 8 | Charles Stoddard to 324 |
| IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/PersonNm | 9 | Jay Epstein from 424 |
| IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/TitleTxt | 0 | President |
| IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/TitleTxt | 1 | Secretary |
| IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/TitleTxt | 2 | President |
| IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/TitleTxt | 3 | Director |
| IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/TitleTxt | 4 | Director |
| IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/TitleTxt | 5 | Director |
| IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/TitleTxt | 6 | Director |
| IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/TitleTxt | 7 | Treasurer |
| IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/TitleTxt | 8 | Treasurer |
| IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/TitleTxt | 9 | Secretary |
| IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/USAddress/AddressLine1Txt | 0 | 760 South Street |
| IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/USAddress/AddressLine1Txt | 1 | 760 South Street |
| IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/USAddress/AddressLine1Txt | 2 | 760 South Street |
| IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/USAddress/AddressLine1Txt | 3 | 760 South Street |
| IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/USAddress/AddressLine1Txt | 4 | 760 South Street |
| IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/USAddress/AddressLine1Txt | 5 | 760 South Street |
| IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/USAddress/AddressLine1Txt | 6 | 760 South Street |
| IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/USAddress/AddressLine1Txt | 7 | 760 South Street |
| IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/USAddress/AddressLine1Txt | 8 | 760 South Street |
| IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/USAddress/AddressLine1Txt | 9 | 760 South Street |
| IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/USAddress/CityNm | 0 | Roslindale |
| IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/USAddress/CityNm | 1 | Roslindale |
| IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/USAddress/CityNm | 2 | Roslindale |
| IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/USAddress/CityNm | 3 | Roslindale |
| IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/USAddress/CityNm | 4 | Roslindale |
| IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/USAddress/CityNm | 5 | Roslindale |
| IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/USAddress/CityNm | 6 | Roslindale |
| IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/USAddress/CityNm | 7 | Roslindale |
| IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/USAddress/CityNm | 8 | Roslindale |
| IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/USAddress/CityNm | 9 | Roslindale |
| IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/USAddress/StateAbbreviationCd | 0 | MA |
| IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/USAddress/StateAbbreviationCd | 1 | MA |
| IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/USAddress/StateAbbreviationCd | 2 | MA |
| IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/USAddress/StateAbbreviationCd | 3 | MA |
| IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/USAddress/StateAbbreviationCd | 4 | MA |
| IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/USAddress/StateAbbreviationCd | 5 | MA |
| IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/USAddress/StateAbbreviationCd | 6 | MA |
| IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/USAddress/StateAbbreviationCd | 7 | MA |
| IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/USAddress/StateAbbreviationCd | 8 | MA |
| IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/USAddress/StateAbbreviationCd | 9 | MA |
| IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/USAddress/ZIPCd | 0 | 02131 |
| IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/USAddress/ZIPCd | 1 | 02131 |
| IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/USAddress/ZIPCd | 2 | 02131 |
| IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/USAddress/ZIPCd | 3 | 02131 |
| IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/USAddress/ZIPCd | 4 | 02131 |
| IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/USAddress/ZIPCd | 5 | 02131 |
| IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/USAddress/ZIPCd | 6 | 02131 |
| IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/USAddress/ZIPCd | 7 | 02131 |
| IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/USAddress/ZIPCd | 8 | 02131 |
| IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/USAddress/ZIPCd | 9 | 02131 |
| IRS990PF/Organization501c3ExemptPFInd | 0 | X |
| IRS990PF/PFQualifyingDistributionsGrp/ExpensesAndContributionsAmt | 0 | 26311 |
| IRS990PF/PFQualifyingDistributionsGrp/QualifyingDistributionsAmt | 0 | 26311 |
| IRS990PF/RlnOfActyToAccomOfExmptPrpsGrp/RlnOfActyToAccomOfExmptPrpsGrp/LineNumberTxt | 0 | 1a |
| IRS990PF/RlnOfActyToAccomOfExmptPrpsGrp/RlnOfActyToAccomOfExmptPrpsGrp/LineNumberTxt | 1 | 11a |
| IRS990PF/RlnOfActyToAccomOfExmptPrpsGrp/RlnOfActyToAccomOfExmptPrpsGrp/LineNumberTxt | 2 | 11b |
| IRS990PF/RlnOfActyToAccomOfExmptPrpsGrp/RlnOfActyToAccomOfExmptPrpsGrp/RelationshipStatementTxt | 0 | Admissions open house events are used to cover costs of layouts and to operate the museum. Three open houses were held in March, September and December 2024. |
| IRS990PF/RlnOfActyToAccomOfExmptPrpsGrp/RlnOfActyToAccomOfExmptPrpsGrp/RelationshipStatementTxt | 1 | Annual meeting revenue used toward meeting costs. |
| IRS990PF/RlnOfActyToAccomOfExmptPrpsGrp/RlnOfActyToAccomOfExmptPrpsGrp/RelationshipStatementTxt | 2 | Membership revenue is used to cover costs of layouts and to operate the museum. (Same as Line 2.) |
| IRS990PF/StatementsRegardingActy4720Grp/ActsFailToQlfyAsExceptionsInd | 0 | false |
| IRS990PF/StatementsRegardingActy4720Grp/BrrwOrLendDisqualifiedPrsnInd | 0 | false |
| IRS990PF/StatementsRegardingActy4720Grp/BusinessHoldingsInd | 0 | false |
| IRS990PF/StatementsRegardingActy4720Grp/FurnGoodsDisqualifiedPrsnInd | 0 | false |
| IRS990PF/StatementsRegardingActy4720Grp/GrantsToIndividualsInd | 0 | false |
| IRS990PF/StatementsRegardingActy4720Grp/GrantsToOrganizationsInd | 0 | false |
| IRS990PF/StatementsRegardingActy4720Grp/InfluenceElectionInd | 0 | false |
| IRS990PF/StatementsRegardingActy4720Grp/InfluenceLegislationInd | 0 | false |
| IRS990PF/StatementsRegardingActy4720Grp/JeopardyInvestmentsInd | 0 | false |
| IRS990PF/StatementsRegardingActy4720Grp/NoncharitablePurposeInd | 0 | false |
| IRS990PF/StatementsRegardingActy4720Grp/PayCompDisqualifiedPrsnInd | 0 | false |
| IRS990PF/StatementsRegardingActy4720Grp/PaymentToGovernmentOfficialInd | 0 | false |
| IRS990PF/StatementsRegardingActy4720Grp/PayPremiumsPrsnlBnftCntrctInd | 0 | false |
| IRS990PF/StatementsRegardingActy4720Grp/ProhibitedTaxShelterTransInd | 0 | false |
| IRS990PF/StatementsRegardingActy4720Grp/RcvFndsToPayPrsnlBnftCntrctInd | 0 | false |
| IRS990PF/StatementsRegardingActy4720Grp/SaleOrExchDisqualifiedPrsnInd | 0 | false |
| IRS990PF/StatementsRegardingActy4720Grp/SubjToTaxRmnrtnExPrchtPymtInd | 0 | false |
| IRS990PF/StatementsRegardingActy4720Grp/TransferAstDisqualifiedPrsnInd | 0 | false |
| IRS990PF/StatementsRegardingActy4720Grp/UncorrectedPriorActsInd | 0 | false |
| IRS990PF/StatementsRegardingActy4720Grp/UncorrectedPYJeopardyInvstInd | 0 | false |
| IRS990PF/StatementsRegardingActy4720Grp/UndistributedIncomePYInd | 0 | false |
| IRS990PF/StatementsRegardingActyGrp/ActivitiesNotPreviouslyRptInd | 0 | false |
| IRS990PF/StatementsRegardingActyGrp/AtLeast5000InAssetsInd | 0 | true |
| IRS990PF/StatementsRegardingActyGrp/ChangesToArticlesOrBylawsInd | 0 | false |
| IRS990PF/StatementsRegardingActyGrp/ComplyWithPublicInspRqrInd | 0 | true |
| IRS990PF/StatementsRegardingActyGrp/DonorAdvisedFundInd | 0 | false |
| IRS990PF/StatementsRegardingActyGrp/ForeignAccountsQuestionInd | 0 | false |
| IRS990PF/StatementsRegardingActyGrp/Form1120POLFiledInd | 0 | false |
| IRS990PF/StatementsRegardingActyGrp/Form990PFFiledWithAttyGenInd | 0 | true |
| IRS990PF/StatementsRegardingActyGrp/LegislativePoliticalActyInd | 0 | false |
| IRS990PF/StatementsRegardingActyGrp/LocationOfBooksUSAddress/AddressLine1Txt | 0 | 760 South Street |
| IRS990PF/StatementsRegardingActyGrp/LocationOfBooksUSAddress/CityNm | 0 | Roslindale |
| IRS990PF/StatementsRegardingActyGrp/LocationOfBooksUSAddress/StateAbbreviationCd | 0 | MA |
| IRS990PF/StatementsRegardingActyGrp/LocationOfBooksUSAddress/ZIPCd | 0 | 021311729 |
| IRS990PF/StatementsRegardingActyGrp/MoreThan100SpentInd | 0 | false |
| IRS990PF/StatementsRegardingActyGrp/NewSubstantialContributorsInd | 0 | false |
| IRS990PF/StatementsRegardingActyGrp/OrganizationDissolvedEtcInd | 0 | false |
| IRS990PF/StatementsRegardingActyGrp/OrgReportOrRegisterStateCd | 0 | MA |
| IRS990PF/StatementsRegardingActyGrp/OwnControlledEntityInd | 0 | false |
| IRS990PF/StatementsRegardingActyGrp/PersonsWithBooksName/BusinessNameLine1Txt | 0 | Scot Osterweil Treasurer |
| IRS990PF/StatementsRegardingActyGrp/PhoneNum | 0 | 6173274341 |
| IRS990PF/StatementsRegardingActyGrp/PrivateOperatingFoundationInd | 0 | false |
| IRS990PF/StatementsRegardingActyGrp/Section508eRqrSatisfiedInd | 0 | false |
| IRS990PF/StatementsRegardingActyGrp/UnrelatedBusIncmOverLimitInd | 0 | false |
| IRS990PF/StatementsRegardingActyGrp/WebsiteAddressTxt | 0 | www.bsmrm.org |
| IRS990PF/SummaryOfDirectChrtblActyGrp/Description1Txt | 0 | The Bay State Model Railroad Museum operates a model train museum in Roslindale (Boston), Mass. The museum includes layouts of three different scales: "H", "N and O". The museum is open to members throughout the year who work on the layouts. The museum held three open houses during the year - Spring, September and Christmas. In addition to charitable disbursements of $26,311, the organization expended $30,590 in adjusted net income. Total expended = $56,901. |
| IRS990PF/SummaryOfDirectChrtblActyGrp/Expenses1Amt | 0 | 0 |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/Amt | 0 | 500 |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/GrantOrContributionPurposeTxt | 0 | Food pantry |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientFoundationStatusTxt | 0 | PC |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientPersonNm | 0 | Roslindale Food Bank |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientRelationshipTxt | 0 | None |
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