Liabilities / Assets
19th percentile
Tied with the lowest-debt nonprofits in its peer group.
EIN 23-7075523 • 501(c)3 • Ann Arbor, MI
Profile
Operate two historical museums covering washtenaw county.
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
89th percentile
Higher net margin than 89% 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
57th percentile
Faster asset growth than 57% of similar nonprofits.
Revenue Growth
94th percentile
Faster revenue growth than 94% of similar nonprofits.
Assets
Up$1,347,342
Up $77,060 (+6.1%) from 2023
Liabilities
Flat$0
Flat from 2023
Net Assets
Up$1,347,342
Up $77,060 (+6.1%) from 2023
Revenue
Up$226,272
Up $134,811 (+147%) from 2023
Expenses
Down$111,577
Down $718 (-0.6%) from 2023
Net Income
Up$114,695
Up $135,529 (+651%) from 2023
Most recent year
2024 • Form 990Detailed filing. Detailed filing data is available for this year.
Operate two historical museums covering washtenaw county.
Operate a historical museum covering washtenaw county.
| Line | Beginning | End | Change |
|---|---|---|---|
| Assets | |||
| Investments in Publicly Traded Securities | $998,041 | $1,032,221 | ▲ $34,180 |
| Land, Buildings, and Equipment, Net | $205,629 | $215,154 | ▲ $9,525 |
| Cash and Non-Interest-Bearing Accounts | $25,307 | $83,342 | ▲ $58,035 |
| Savings and Temporary Cash Investments | $19,206 | $10,896 | ▼ $8,310 |
| Inventories for Sale or Use | $5,729 | $5,729 | → $0 |
| Total Assets | $1,270,282 | $1,347,342 | ▲ $77,060 |
| Other Assets Total | $16,370 | - | - |
| Liabilities | |||
| Total Liabilities | $0 | $0 | → $0 |
| Net Assets / Fund Balance | |||
| Net Assets Without Donor Restrictions | $1,270,282 | $1,347,342 | ▲ $77,060 |
| Total Net Assets Fund Balance | $1,270,282 | $1,347,342 | ▲ $77,060 |
| Total Liabilities and Net Assets / Fund Balance | $1,270,282 | $1,347,342 | ▲ $77,060 |
| Asset | Book Value | Depreciation | Basis |
|---|---|---|---|
| Other Land Buildings | $215,154 | $360,861 | $576,015 |
| Name | Title |
|---|---|
| Karen L Jania | President |
| Amy Cantu | Director |
| Anita Toews | Director |
| Beverly Willis | Director |
| Bob Creal | Director |
| Brian Williams | Director |
| Cynthia Yao | Director |
| David Ferguson | Director |
| John Kilar | Director |
| Kirsten Neal | Director |
| Leslie Loomans | Director |
| Pam Erhart | Director |
| Patricia W Creal | Director |
| Susan Cee Wineberg | Director |
| Ann Ringia | Recording Se |
| Judith Chrisman | Treasurer |
| Will Hathaway | Vice Preside |
| Line Item | Amount |
|---|---|
| Other Expenses | $62,204 |
| Salaries, Compensation, and Employee Benefits | $49,373 |
| Grants and Similar Amounts Paid | $0 |
| Professional Fundraising Fees | $0 |
| Total Fundraising Expense | $0 |
| Line Item | Program | Management | Fundraising | Total |
|---|---|---|---|---|
| Other Salaries and Wages | $44,934 | - | - | $44,934 |
| Occupancy | $19,629 | - | - | $19,629 |
| Depreciation Depletion | $15,662 | - | - | $15,662 |
| Payroll Taxes | $4,439 | - | - | $4,439 |
| Office Expenses | $3,693 | - | - | $3,693 |
| All Other Expenses | $2,624 | - | - | $2,624 |
| Other Expenses | $2,384 | - | - | $2,384 |
| Insurance | $1,915 | - | - | $1,915 |
| Fees for Services Accounting | - | $775 | - | $775 |
| Information Technology | $572 | - | - | $572 |
| Conferences and Meetings | $387 | - | - | $387 |
| Total Functional Expenses | $110,802 | $775 | $0 | $111,577 |
| Line Item | Amount |
|---|---|
| Professional Fundraising Fees | $0 |
“Line 11b reviewed at a board meeting.”
“The organization is made up of members.”
“The board of directors elects the officers.”
“Reviewed at a board meeting.”
“The policy has been in place since 2010.”
“The officers are not compensated.”
“Officers and board members are not compensated.”
“AVAILABLE UPON REQUEST.”
“Correct building equity -37,635”
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 | OPERATE A HISTORICAL MUSEUM COVERING WASHTENAW COUNTY. |
| IRS990/AllOtherContributionsAmt | 0 | 72700 |
| IRS990/AllOtherExpensesGrp/ProgramServicesAmt | 0 | 2624 |
| IRS990/AllOtherExpensesGrp/TotalAmt | 0 | 2624 |
| IRS990/BooksInCareOfDetail/PersonNm | 0 | JUDITH CHRISMAN |
| IRS990/BooksInCareOfDetail/PhoneNum | 0 | 7346629092 |
| IRS990/BooksInCareOfDetail/USAddress/AddressLine1Txt | 0 | PO BOX 3336 |
| IRS990/BooksInCareOfDetail/USAddress/CityNm | 0 | ANN ARBOR |
| IRS990/BooksInCareOfDetail/USAddress/StateAbbreviationCd | 0 | MI |
| IRS990/BooksInCareOfDetail/USAddress/ZIPCd | 0 | 48106 |
| IRS990/BusinessRlnWith35CtrlEntInd | 0 | false |
| IRS990/BusinessRlnWithFamMemInd | 0 | false |
| IRS990/BusinessRlnWithOrgMemInd | 0 | false |
| IRS990/CashNonInterestBearingGrp/BOYAmt | 0 | 25307 |
| IRS990/CashNonInterestBearingGrp/EOYAmt | 0 | 83342 |
| IRS990/ChangeToOrgDocumentsInd | 0 | false |
| IRS990/CollectionsOfArtInd | 0 | false |
| IRS990/CompensationFromOtherSrcsInd | 0 | false |
| IRS990/CompensationProcessCEOInd | 0 | true |
| IRS990/CompensationProcessOtherInd | 0 | true |
| IRS990/ConferencesMeetingsGrp/ProgramServicesAmt | 0 | 387 |
| IRS990/ConferencesMeetingsGrp/TotalAmt | 0 | 387 |
| IRS990/ConflictOfInterestPolicyInd | 0 | false |
| IRS990/ConservationEasementsInd | 0 | false |
| IRS990/ConsolidatedAuditFinclStmtInd | 0 | false |
| IRS990/CreditCounselingInd | 0 | false |
| IRS990/CYBenefitsPaidToMembersAmt | 0 | 0 |
| IRS990/CYContributionsGrantsAmt | 0 | 80917 |
| IRS990/CYGrantsAndSimilarPaidAmt | 0 | 0 |
| IRS990/CYInvestmentIncomeAmt | 0 | 144872 |
| IRS990/CYOtherExpensesAmt | 0 | 62204 |
| IRS990/CYOtherRevenueAmt | 0 | 483 |
| IRS990/CYProgramServiceRevenueAmt | 0 | 0 |
| IRS990/CYRevenuesLessExpensesAmt | 0 | 114695 |
| IRS990/CYSalariesCompEmpBnftPaidAmt | 0 | 49373 |
| IRS990/CYTotalExpensesAmt | 0 | 111577 |
| IRS990/CYTotalFundraisingExpenseAmt | 0 | 0 |
| IRS990/CYTotalProfFndrsngExpnsAmt | 0 | 0 |
| IRS990/CYTotalRevenueAmt | 0 | 226272 |
| IRS990/DecisionsSubjectToApprovaInd | 0 | false |
| IRS990/DeductibleArtContributionInd | 0 | false |
| IRS990/DeductibleNonCashContriInd | 0 | false |
| IRS990/DelegationOfMgmtDutiesInd | 0 | false |
| IRS990/DepreciationDepletionGrp/ProgramServicesAmt | 0 | 15662 |
| IRS990/DepreciationDepletionGrp/TotalAmt | 0 | 15662 |
| IRS990/Desc | 0 | OPERATE A MUSEUM DISPLAYING HISTORICAL ITEMS OF THE AREA THROUGH CHANGING EXIBITS; PRODUCE QUARTERLY NEWSLETTER WITH ARTICLES PERTAINING TO TH HISTORY OF WASHTENAW COUNTY; OFFER PERIODIC PROGRAMSTO THE COMMUNITY ABOUT LOCAL COUNTY HISTORY. APPROXIMATELY 1,025 PEOPLE VISITED THE MUSEUM; 1,825 NEWLETTERS WERE ISSUED. 126 PEOPLE ATTENDED 3 DIFFERENT LOCAL HISTORY PROGRAMS OFFERED. |
| IRS990/DescribedInSection501c3Ind | 0 | true |
| IRS990/DisregardedEntityInd | 0 | false |
| IRS990/DocumentRetentionPolicyInd | 0 | false |
| IRS990/DonorAdvisedFundInd | 0 | false |
| IRS990/DonorRstrOrQuasiEndowmentsInd | 0 | false |
| IRS990/ElectionOfBoardMembersInd | 0 | true |
| IRS990/EmployeeCnt | 0 | 2 |
| IRS990/EmploymentTaxReturnsFiledInd | 0 | false |
| IRS990/EngagedInExcessBenefitTransInd | 0 | false |
| IRS990/ExpenseAmt | 0 | 110802 |
| IRS990/FamilyOrBusinessRlnInd | 0 | false |
| IRS990/FeesForServicesAccountingGrp/ManagementAndGeneralAmt | 0 | 775 |
| IRS990/FeesForServicesAccountingGrp/TotalAmt | 0 | 775 |
| IRS990/ForeignActivitiesInd | 0 | false |
| IRS990/ForeignFinancialAccountInd | 0 | false |
| IRS990/ForeignOfficeInd | 0 | false |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 0 | 2.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 1 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 2 | 7.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 3 | 1.50 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 4 | 7.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 5 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 6 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 7 | 10.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 8 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 9 | 4.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 10 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 11 | 4.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 12 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 13 | 2.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 14 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 15 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 16 | 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/IndividualTrusteeOrDirectorInd | 7 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 8 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 9 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 10 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 11 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 0 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 1 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 2 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 3 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 4 | 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/OtherCompensationAmt | 7 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 8 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 9 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 10 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 11 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 12 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 13 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 14 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 15 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 16 | 0 |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 0 | DAVID FERGUSON |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 1 | WILL HATHAWAY |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 2 | JUDITH CHRISMAN |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 3 | ANITA TOEWS |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 4 | PATRICIA W CREAL |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 5 | PAM ERHART |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 6 | KIRSTEN NEAL |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 7 | KAREN L JANIA |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 8 | ANN RINGIA |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 9 | SUSAN CEE WINEBERG |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 10 | BRIAN WILLIAMS |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 11 | BOB CREAL |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 12 | BEVERLY WILLIS |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 13 | LESLIE LOOMANS |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 14 | CYNTHIA YAO |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 15 | AMY CANTU |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 16 | JOHN KILAR |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 0 | 0 |
| 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/ReportableCompFromOrgAmt | 7 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 8 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 9 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 10 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 11 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 12 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 13 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 14 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 15 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 16 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 1 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 2 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 3 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 4 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 5 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 6 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 7 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 8 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 9 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 10 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 11 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 12 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 13 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 14 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 15 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 16 | 0 |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 0 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 1 | VICE PRESIDE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 2 | TREASURER |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 3 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 4 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 5 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 6 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 7 | PRESIDENT |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 8 | RECORDING SE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 9 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 10 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 11 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 12 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 13 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 14 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 15 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 16 | DIRECTOR |
| IRS990/Form990ProvidedToGvrnBodyInd | 0 | false |
| IRS990/FormationYr | 0 | 1942 |
| IRS990/FormerOfcrEmployeesListedInd | 0 | false |
| IRS990/FSAuditedInd | 0 | false |
| IRS990/FundraisingActivitiesInd | 0 | false |
| IRS990/GamingActivitiesInd | 0 | false |
| IRS990/GoverningBodyVotingMembersCnt | 0 | 17 |
| IRS990/GrantsToIndividualsInd | 0 | false |
| IRS990/GrantsToOrganizationsInd | 0 | false |
| IRS990/GrantToRelatedPersonInd | 0 | false |
| IRS990/GrossReceiptsAmt | 0 | 226272 |
| IRS990/GroupReturnForAffiliatesInd | 0 | false |
| IRS990/IncludeFIN48FootnoteInd | 0 | false |
| IRS990/IndependentAuditFinclStmtInd | 0 | false |
| IRS990/IndependentVotingMemberCnt | 0 | 17 |
| IRS990/IndoorTanningServicesInd | 0 | false |
| IRS990/InfoInScheduleOPartVIInd | 0 | X |
| IRS990/InfoInScheduleOPartXIInd | 0 | X |
| IRS990/InformationTechnologyGrp/ProgramServicesAmt | 0 | 572 |
| IRS990/InformationTechnologyGrp/TotalAmt | 0 | 572 |
| IRS990/InsuranceGrp/ProgramServicesAmt | 0 | 1915 |
| IRS990/InsuranceGrp/TotalAmt | 0 | 1915 |
| IRS990/InventoriesForSaleOrUseGrp/BOYAmt | 0 | 5729 |
| IRS990/InventoriesForSaleOrUseGrp/EOYAmt | 0 | 5729 |
| IRS990/InvestmentIncomeGrp/RelatedOrExemptFuncIncomeAmt | 0 | 144872 |
| IRS990/InvestmentIncomeGrp/TotalRevenueColumnAmt | 0 | 144872 |
| IRS990/InvestmentInJointVentureInd | 0 | false |
| IRS990/InvestmentsPubTradedSecGrp/BOYAmt | 0 | 998041 |
| IRS990/InvestmentsPubTradedSecGrp/EOYAmt | 0 | 1032221 |
| IRS990/IRPDocumentCnt | 0 | 1 |
| IRS990/IRPDocumentW2GCnt | 0 | 0 |
| IRS990/LandBldgEquipAccumDeprecAmt | 0 | 360861 |
| IRS990/LandBldgEquipBasisNetGrp/BOYAmt | 0 | 205629 |
| IRS990/LandBldgEquipBasisNetGrp/EOYAmt | 0 | 215154 |
| IRS990/LandBldgEquipCostOrOtherBssAmt | 0 | 576015 |
| IRS990/LegalDomicileStateCd | 0 | MI |
| IRS990/LoanOutstandingInd | 0 | false |
| IRS990/LobbyingActivitiesInd | 0 | false |
| IRS990/LocalChaptersInd | 0 | false |
| IRS990/MaterialDiversionOrMisuseInd | 0 | false |
| IRS990/MembershipDuesAmt | 0 | 8217 |
| IRS990/MembersOrStockholdersInd | 0 | true |
| IRS990/MethodOfAccountingAccrualInd | 0 | X |
| IRS990/MinutesOfCommitteesInd | 0 | true |
| IRS990/MinutesOfGoverningBodyInd | 0 | true |
| IRS990/MissionDesc | 0 | OPERATE A HISTORICAL MUSEUM COVERING WASHTENAW COUNTY. |
| IRS990/MoreThan5000KToIndividualsInd | 0 | false |
| IRS990/MoreThan5000KToOrgInd | 0 | false |
| IRS990/NetAssetsOrFundBalancesBOYAmt | 0 | 1270282 |
| IRS990/NetAssetsOrFundBalancesEOYAmt | 0 | 1347342 |
| IRS990/NoDonorRestrictionNetAssetsGrp/BOYAmt | 0 | 1270282 |
| IRS990/NoDonorRestrictionNetAssetsGrp/EOYAmt | 0 | 1347342 |
| IRS990/NoListedPersonsCompensatedInd | 0 | X |
| IRS990/NondeductibleContributionsInd | 0 | false |
| IRS990/OccupancyGrp/ProgramServicesAmt | 0 | 19629 |
| IRS990/OccupancyGrp/TotalAmt | 0 | 19629 |
| IRS990/OfficeExpensesGrp/ProgramServicesAmt | 0 | 3693 |
| IRS990/OfficeExpensesGrp/TotalAmt | 0 | 3693 |
| IRS990/OfficerMailingAddressInd | 0 | false |
| IRS990/OperateHospitalInd | 0 | false |
| IRS990/Organization501c3Ind | 0 | X |
| IRS990/OrganizationFollowsFASB117Ind | 0 | X |
| IRS990/OtherAssetsTotalGrp/BOYAmt | 0 | 16370 |
| IRS990/OtherChangesInNetAssetsAmt | 0 | -37635 |
| IRS990/OtherExpensesGrp/Desc | 0 | MUSEUM COLLECTION |
| IRS990/OtherExpensesGrp/Desc | 1 | ADVERTISING |
| IRS990/OtherExpensesGrp/Desc | 2 | GROUNDS MAINTENANCE |
| IRS990/OtherExpensesGrp/Desc | 3 | TELEPHONE |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 0 | 5706 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 1 | 4524 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 2 | 4333 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 3 | 2384 |
| IRS990/OtherExpensesGrp/TotalAmt | 0 | 5706 |
| IRS990/OtherExpensesGrp/TotalAmt | 1 | 4524 |
| IRS990/OtherExpensesGrp/TotalAmt | 2 | 4333 |
| IRS990/OtherExpensesGrp/TotalAmt | 3 | 2384 |
| IRS990/OtherRevenueMiscGrp/Desc | 0 | SHOP SALES |
| IRS990/OtherRevenueMiscGrp/RelatedOrExemptFuncIncomeAmt | 0 | 483 |
| IRS990/OtherRevenueMiscGrp/TotalRevenueColumnAmt | 0 | 483 |
| IRS990/OtherRevenueTotalAmt | 0 | 483 |
| IRS990/OtherSalariesAndWagesGrp/ProgramServicesAmt | 0 | 44934 |
| IRS990/OtherSalariesAndWagesGrp/TotalAmt | 0 | 44934 |
| IRS990/PartialLiquidationInd | 0 | false |
| IRS990/PayrollTaxesGrp/ProgramServicesAmt | 0 | 4439 |
| IRS990/PayrollTaxesGrp/TotalAmt | 0 | 4439 |
| IRS990/PoliticalCampaignActyInd | 0 | false |
| IRS990/PrincipalOfficerNm | 0 | JUDITH CHRISMAN |
| IRS990/ProfessionalFundraisingInd | 0 | false |
| IRS990/ProhibitedTaxShelterTransInd | 0 | false |
| IRS990/PYContributionsGrantsAmt | 0 | 24634 |
| IRS990/PYExcessBenefitTransInd | 0 | false |
| IRS990/PYInvestmentIncomeAmt | 0 | 66727 |
| IRS990/PYOtherExpensesAmt | 0 | 65018 |
| IRS990/PYOtherRevenueAmt | 0 | 100 |
| IRS990/PYRevenuesLessExpensesAmt | 0 | -20834 |
| IRS990/PYSalariesCompEmpBnftPaidAmt | 0 | 47277 |
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| IRS990/PYTotalRevenueAmt | 0 | 91461 |
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| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearMinus3YearsAmt | 0 | 61790 |
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| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 0 | LINE 11B REVIEWED AT A BOARD MEETING. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 1 | THE ORGANIZATION IS MADE UP OF MEMBERS. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 2 | THE BOARD OF DIRECTORS ELECTS THE OFFICERS. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 3 | REVIEWED AT A BOARD MEETING. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 4 | THE POLICY HAS BEEN IN PLACE SINCE 2010. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 5 | THE OFFICERS ARE NOT COMPENSATED. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 6 | OFFICERS AND BOARD MEMBERS ARE NOT COMPENSATED. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 7 | AVAILABLE UPON REQUEST. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 8 | CORRECT BUILDING EQUITY -37,635 |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 0 | FORM 990, PART VI |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 1 | FORM 990, PAGE 6, PART VI, LINE 6 |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 2 | FORM 990, PAGE 6, PART VI, LINE 7A |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 3 | FORM 990, PAGE 6, PART VI, LINE 11B |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 4 | FORM 990, PAGE 6, PART VI, LINE 12C |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 5 | FORM 990, PAGE 6, PART VI, LINE 15A |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 6 | FORM 990, PAGE 6, PART VI, LINE 15B |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 7 | FORM 990, PAGE 6, PART VI, LINE 19 |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 8 | FORM 990, PART XI, LINE 9 |
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| IRS990/USAddress/CityNm | 0 | ANN ARBOR |
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| ReturnHeader/BuildTS | 0 | 2025-03-06 01:10:19Z |
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| ReturnHeader/BusinessOfficerGrp/PersonNm | 0 | JUDITH CHRISMAN |
| ReturnHeader/BusinessOfficerGrp/PersonTitleTxt | 0 | TREASURER |
| ReturnHeader/BusinessOfficerGrp/SignatureDt | 0 | 2025-05-08 |
| ReturnHeader/Filer/BusinessName/BusinessNameLine1Txt | 0 | WASHTENAW COUNTY HISTORICAL SOCIETY |
| ReturnHeader/Filer/BusinessNameControlTxt | 0 | WASH |
| ReturnHeader/Filer/EIN | 0 | 237075523 |
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| ReturnHeader/Filer/USAddress/StateAbbreviationCd | 0 | MI |
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