Liabilities / Assets
99th percentile
Higher debt load relative to assets than 99% of similar nonprofits.
EIN 38-1910646 • 501(c)7 • Novi, MI
Profile
Gamma Nu House Association, Inc. (Gamma Nu) exists to promote literacy, scientific education and the development of fellowship among members. Gamma Nu maintains a historic home in Ann Arbor, Michigan, which is home 20 or more students at the University of Michigan on an annual basis. Primary funding sources are gifts contributed by alumni members and rent paid by residents. All of our expenses (and all of our time) are dedicated to the purposes noted above, which includes the maintenance and upkeep of the home and related membership events and activities (including scholarships).
Precomputed percentiles relative to similar nonprofits. These scores are descriptive rather than judgmental.
Liabilities / Assets
99th percentile
Higher debt load relative to assets than 99% of similar nonprofits.
Liabilities / Revenue
96th percentile
Higher debt load relative to revenue than 96% of similar nonprofits.
Net Margin
79th percentile
Higher net margin than 79% of similar nonprofits.
Top Officer Pay
89th percentile
Higher top officer pay than 89% of similar nonprofits.
Top officer pay equals 0.0% of source-year revenue.
Asset Growth
67th percentile
Faster asset growth than 67% of similar nonprofits.
Revenue Growth
6th percentile
Faster revenue growth than 6% of similar nonprofits.
Assets
Up$553,285
Up $39,827 (+7.8%) from 2024
Liabilities
Down$1,040,193
Down $52,794 (-4.8%) from 2024
Net Assets
Up-$486,908
Up $92,621 (+16%) from 2024
Revenue
Down$432,642
Down $156,580 (-27%) from 2024
Expenses
Down$340,020
Down $53,901 (-14%) from 2024
Net Income
Down$92,622
Down $102,679 (-53%) from 2024
Most recent year
2025 • Form 990Detailed filing. Detailed filing data is available for this year.
| Balance Sheet | Operations | |||||
|---|---|---|---|---|---|---|
| Year | Assets | Liabilities | Net Assets | Revenue | Expenses | Net Income |
| 2025Detailed filing. Detailed filing data is available for this year. | $0.55 | $1.04 | $0.49 | $0.43 | $0.34 | $0.09 |
| 2024Detailed filing. Detailed filing data is available for this year. | $0.51 | $1.09 | $0.58 | $0.59 | $0.39 | $0.20 |
| 2023Summary only. Only limited summary data is available for this year. | $0.31 | $1.09 | $0.77 | $0.34 | $0.54 | $0.20 |
Gamma Nu House Association, Inc. (Gamma Nu) exists to promote literacy, scientific education and the development of fellowship among members. Gamma Nu maintains a historic home in Ann Arbor, Michigan, which is home 20 or more students at the University of Michigan on an annual basis. Primary funding sources are gifts contributed by alumni members and rent paid by residents. All of our expenses (and all of our time) are dedicated to the purposes noted above, which includes the maintenance and upkeep of the home and related membership events and activities (including scholarships).
| Line | Beginning | End | Change |
|---|---|---|---|
| Assets | |||
| Savings and Temporary Cash Investments | $207,173 | $231,474 | ▲ $24,301 |
| Pledges and Grants Receivable | $190,452 | $211,078 | ▲ $20,626 |
| Land, Buildings, and Equipment, Net | $94,545 | $94,545 | → $0 |
| Accounts Receivable | $13,879 | $9,109 | ▼ $4,770 |
| Prepaid Expenses and Deferred Charges | $7,409 | $7,079 | ▼ $330 |
| Cash and Non-Interest-Bearing Accounts | $0 | - | - |
| Other Notes and Loans Receivable, Net | $0 | - | - |
| Receivable From Disqualified Prsn | $0 | - | - |
| Receivables From Officers Etc | $0 | - | - |
| Inventories for Sale or Use | $0 | - | - |
| Loans From Officers Directors | $0 | - | - |
| Total Assets | $513,458 | $553,285 | ▲ $39,827 |
| Liabilities | |||
| Mortgage Notes Payable Secured by Investment Property | $950,000 | $950,000 | → $0 |
| Deferred Revenue | $35,717 | $47,704 | ▲ $11,987 |
| Other Liabilities | $32,799 | $23,500 | ▼ $9,299 |
| Unsecured Notes Loans Payable | $13,764 | $13,479 | ▼ $285 |
| Accounts Payable and Accrued Expenses | $60,707 | $5,510 | ▼ $55,197 |
| Grants Payable | $0 | - | - |
| Escrow Account Liability | $0 | - | - |
| Tax Exempt Bond Liabilities | $0 | - | - |
| Total Liabilities | $1,092,987 | $1,040,193 | ▼ $52,794 |
| Net Assets / Fund Balance | |||
| Net Assets With Donor Restrictions | $3,250 | $3,250 | → $0 |
| Net Assets Without Donor Restrictions | $-582,779 | $-490,158 | ▲ $92,621 |
| Total Net Assets Fund Balance | $-579,529 | $-486,908 | ▲ $92,621 |
| Total Liabilities and Net Assets / Fund Balance | $513,458 | $553,285 | ▲ $39,827 |
| Asset | Book Value | Depreciation | Basis |
|---|---|---|---|
| Buildings | $0 | $0 | $0 |
| Other Land Buildings | $0 | $0 | $0 |
| Land | $94,545 | - | $0 |
| Equipment | $0 | $0 | $0 |
| Leasehold Improvements | $0 | $0 | $0 |
| Name | Title |
|---|---|
| Mark Brown | President |
| Jon Lewis | Secretary |
| Michael Simonte | Treasurer |
| Paul Kissinger | VP House Maintenance |
| Line Item | Amount |
|---|---|
| Other Expenses | $294,344 |
| Professional Fundraising Fees | $44,692 |
| Grants and Similar Amounts Paid | $0 |
| Salaries, Compensation, and Employee Benefits | $0 |
| Total Fundraising Expense | $0 |
| Line Item | Program | Management | Fundraising | Total |
|---|---|---|---|---|
| Occupancy | - | - | - | $203,198 |
| Fees for Services Professional Fundraising | - | - | - | $44,692 |
| Interest | - | - | - | $30,167 |
| Insurance | - | - | - | $28,995 |
| Fees for Services Management | - | - | - | $27,200 |
| Office Expenses | - | - | - | $3,735 |
| All Other Expenses | - | - | - | $1,049 |
| Benefits to Members | - | - | - | $984 |
| Total Functional Expenses | $0 | $0 | $0 | $340,020 |
| Line Item | Amount |
|---|---|
| Professional Fundraising Fees | $44,692 |
| Line Item | Beginning | End | Change |
|---|---|---|---|
| Loans from Officers, Directors, Trustees, and Key Employees | $0 | - | - |
| Receivables from Disqualified Persons | $0 | - | - |
| Receivables from Officers, Directors, Trustees, and Key Employees | $0 | - | - |
| Liability | Amount |
|---|---|
| Deferred rent | $23,500 |
“We have hired CSL Management to provide property management services, including billing, collections, vendor payments, bookkeeping services and maintenance management activities. Maintenance activities are typically coordinated with unaffiliated local service providers.”
“All living graduates of the University of Michigan who were part of the Gamma Nu Chapter of Sigma Nu Fraternity are members of Gamma Nu House Association, Inc.”
“All living members of the Gamma Nu Chapter of Sigma Nu Fraternity at the University of Michigan are members of Gamma Nu House Association, Inc.”
“We did not keep minutes for meetings of Gamma Nu House Association, Inc. in 2025.”
“There are no Committees with the authority to act on behalf of the governing body.”
“The names and addresses of all Board members have been reported in this tax return.”
“The organization's Treasurer is responsible to prepare this Form 990. Prior to it being filed, a draft copy of the return is distributed to the Board for their review and comment.”
“A copy of this tax return on Form 990 is available upon request.”
“Copies of the organization's governing documents, this tax return on Form 990 and financial statements are available upon request. We do not have a written conflict of interest policy. However, we did not receive any requests for this information in 2025.”
“Balancing entry, rounding”
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/AccountsPayableAccrExpnssGrp/BOYAmt | 0 | 60707 |
| IRS990/AccountsPayableAccrExpnssGrp/EOYAmt | 0 | 5510 |
| IRS990/AccountsReceivableGrp/BOYAmt | 0 | 13879 |
| IRS990/AccountsReceivableGrp/EOYAmt | 0 | 9109 |
| IRS990/ActivitiesConductedPrtshpInd | 0 | 0 |
| IRS990/ActivityOrMissionDesc | 0 | Gamma Nu House Association, Inc. (Gamma Nu) exists to promote literacy, scientific education and the development of fellowship among members. Gamma Nu maintains a historic home in Ann Arbor, Michigan, which is home 20 or more students at the University of Michigan on an annual basis. Primary funding sources are gifts contributed by alumni members and rent paid by residents. All of our expenses (and all of our time) are dedicated to the purposes noted above, which includes the maintenance and upkeep of the home and related membership events and activities (including scholarships). |
| IRS990/AllOtherContributionsAmt | 0 | 0 |
| IRS990/AllOtherExpensesGrp/TotalAmt | 0 | 1049 |
| IRS990/BackupWthldComplianceInd | 0 | 0 |
| IRS990/BenefitsToMembersGrp/TotalAmt | 0 | 984 |
| IRS990/BooksInCareOfDetail/PersonNm | 0 | Michael Simonte |
| IRS990/BooksInCareOfDetail/PhoneNum | 0 | 3136714175 |
| IRS990/BooksInCareOfDetail/USAddress/AddressLine1Txt | 0 | 22526 Autumn Park Boulevard |
| IRS990/BooksInCareOfDetail/USAddress/CityNm | 0 | Novi |
| IRS990/BooksInCareOfDetail/USAddress/StateAbbreviationCd | 0 | MI |
| IRS990/BooksInCareOfDetail/USAddress/ZIPCd | 0 | 48374 |
| IRS990/BusinessRlnWith35CtrlEntInd | 0 | 0 |
| IRS990/BusinessRlnWithFamMemInd | 0 | 0 |
| IRS990/BusinessRlnWithOrgMemInd | 0 | 0 |
| IRS990/CashNonInterestBearingGrp/BOYAmt | 0 | 0 |
| IRS990/ChangeToOrgDocumentsInd | 0 | 0 |
| IRS990/CntrctRcvdGreaterThan100KCnt | 0 | 0 |
| IRS990/CollectionsOfArtInd | 0 | 0 |
| IRS990/CompensationFromOtherSrcsInd | 0 | 0 |
| IRS990/CompensationProcessCEOInd | 0 | 0 |
| IRS990/CompensationProcessOtherInd | 0 | 0 |
| IRS990/ConflictOfInterestPolicyInd | 0 | 0 |
| IRS990/ConservationEasementsInd | 0 | 0 |
| IRS990/ConsolidatedAuditFinclStmtInd | 0 | 0 |
| IRS990/ContriRptFundraisingEventAmt | 0 | 0 |
| IRS990/CreditCounselingInd | 0 | 0 |
| IRS990/CYBenefitsPaidToMembersAmt | 0 | 984 |
| IRS990/CYContributionsGrantsAmt | 0 | 159533 |
| IRS990/CYGrantsAndSimilarPaidAmt | 0 | 0 |
| IRS990/CYInvestmentIncomeAmt | 0 | 1262 |
| IRS990/CYOtherExpensesAmt | 0 | 294344 |
| IRS990/CYOtherRevenueAmt | 0 | 271847 |
| IRS990/CYProgramServiceRevenueAmt | 0 | 0 |
| IRS990/CYRevenuesLessExpensesAmt | 0 | 92622 |
| IRS990/CYSalariesCompEmpBnftPaidAmt | 0 | 0 |
| IRS990/CYTotalExpensesAmt | 0 | 340020 |
| IRS990/CYTotalFundraisingExpenseAmt | 0 | 0 |
| IRS990/CYTotalProfFndrsngExpnsAmt | 0 | 44692 |
| IRS990/CYTotalRevenueAmt | 0 | 432642 |
| IRS990/DecisionsSubjectToApprovaInd | 0 | 0 |
| IRS990/DeductibleArtContributionInd | 0 | 0 |
| IRS990/DeductibleNonCashContriInd | 0 | 0 |
| IRS990/DeferredRevenueGrp/BOYAmt | 0 | 35717 |
| IRS990/DeferredRevenueGrp/EOYAmt | 0 | 47704 |
| IRS990/DelegationOfMgmtDutiesInd | 0 | 1 |
| IRS990/Desc | 0 | We supported our mission of promoting the literacy, education and fellowship among members, both current students and former students. We maintained our historic home in Ann Arbor, Michigan and maintained in-house residency at approximately 25 members. We continue to make progress on a fundraising campaign to fund house improvements and renovations and completed the first major repair project, rebuilding the back (north) stairs. |
| IRS990/DescribedInSection501c3Ind | 0 | 0 |
| IRS990/DisregardedEntityInd | 0 | 0 |
| IRS990/DocumentRetentionPolicyInd | 0 | 0 |
| IRS990/DonatedServicesAndUseFcltsAmt | 0 | 0 |
| IRS990/DonorAdvisedFundInd | 0 | 0 |
| IRS990/DonorRestrictionNetAssetsGrp/BOYAmt | 0 | 3250 |
| IRS990/DonorRestrictionNetAssetsGrp/EOYAmt | 0 | 3250 |
| IRS990/DonorRstrOrQuasiEndowmentsInd | 0 | 0 |
| IRS990/ElectionOfBoardMembersInd | 0 | 1 |
| IRS990/EmployeeCnt | 0 | 0 |
| IRS990/EscrowAccountLiabilityGrp/BOYAmt | 0 | 0 |
| IRS990/FamilyOrBusinessRlnInd | 0 | 0 |
| IRS990/FederalGrantAuditRequiredInd | 0 | 0 |
| IRS990/FederatedCampaignsAmt | 0 | 122374 |
| IRS990/FeesForServicesManagementGrp/TotalAmt | 0 | 27200 |
| IRS990/FeesForServicesProfFundraising/TotalAmt | 0 | 44692 |
| IRS990/ForeignActivitiesInd | 0 | 0 |
| IRS990/ForeignFinancialAccountInd | 0 | 0 |
| IRS990/ForeignOfficeInd | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 1 | 0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 2 | 0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 3 | 0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 0 | 4 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 1 | 8 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 2 | 8 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 3 | 1 |
| 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 | Mark Brown |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 1 | Michael Simonte |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 2 | Paul Kissinger |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 3 | Jon Lewis |
| 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 | VP House Maintenance |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 3 | Secretary |
| IRS990/Form990ProvidedToGvrnBodyInd | 0 | 1 |
| IRS990/FormationYr | 0 | 1932 |
| IRS990/FormerOfcrEmployeesListedInd | 0 | 0 |
| IRS990/FSAuditedInd | 0 | 0 |
| IRS990/FundraisingActivitiesInd | 0 | 0 |
| IRS990/FundraisingAmt | 0 | 0 |
| IRS990/GainOrLossGrp/OtherAmt | 0 | 0 |
| IRS990/GainOrLossGrp/SecuritiesAmt | 0 | 0 |
| IRS990/GamingActivitiesInd | 0 | 0 |
| IRS990/GoverningBodyVotingMembersCnt | 0 | 5 |
| IRS990/GovernmentGrantsAmt | 0 | 0 |
| IRS990/GrantsPayableGrp/BOYAmt | 0 | 0 |
| IRS990/GrantsToIndividualsInd | 0 | 0 |
| IRS990/GrantsToOrganizationsInd | 0 | 0 |
| IRS990/GrantToRelatedPersonInd | 0 | 0 |
| IRS990/GrossReceiptsAmt | 0 | 432642 |
| IRS990/GrossReceiptsForPublicUseAmt | 0 | 0 |
| IRS990/GrossRentsGrp/PersonalAmt | 0 | 0 |
| IRS990/GrossRentsGrp/RealAmt | 0 | 271847 |
| IRS990/GroupReturnForAffiliatesInd | 0 | 0 |
| IRS990/IncludeFIN48FootnoteInd | 0 | 0 |
| IRS990/IncmFromInvestBondProceedsGrp/ExclusionAmt | 0 | 0 |
| IRS990/IncmFromInvestBondProceedsGrp/RelatedOrExemptFuncIncomeAmt | 0 | 0 |
| IRS990/IncmFromInvestBondProceedsGrp/TotalRevenueColumnAmt | 0 | 0 |
| IRS990/IncmFromInvestBondProceedsGrp/UnrelatedBusinessRevenueAmt | 0 | 0 |
| IRS990/IndependentAuditFinclStmtInd | 0 | 0 |
| IRS990/IndependentVotingMemberCnt | 0 | 0 |
| IRS990/IndivRcvdGreaterThan100KCnt | 0 | 0 |
| IRS990/IndoorTanningServicesInd | 0 | 0 |
| IRS990/InfoInScheduleOPartVIInd | 0 | X |
| IRS990/InfoInScheduleOPartXIInd | 0 | X |
| IRS990/InitiationFeesAndCapContriAmt | 0 | 0 |
| IRS990/InsuranceGrp/TotalAmt | 0 | 28995 |
| IRS990/InterestGrp/TotalAmt | 0 | 30167 |
| IRS990/InventoriesForSaleOrUseGrp/BOYAmt | 0 | 0 |
| IRS990/InvestmentExpenseAmt | 0 | 0 |
| IRS990/InvestmentIncomeGrp/ExclusionAmt | 0 | 0 |
| IRS990/InvestmentIncomeGrp/RelatedOrExemptFuncIncomeAmt | 0 | 1262 |
| IRS990/InvestmentIncomeGrp/TotalRevenueColumnAmt | 0 | 1262 |
| IRS990/InvestmentIncomeGrp/UnrelatedBusinessRevenueAmt | 0 | 0 |
| IRS990/InvestmentInJointVentureInd | 0 | 0 |
| IRS990/IRPDocumentCnt | 0 | 0 |
| IRS990/IRPDocumentW2GCnt | 0 | 0 |
| IRS990/LandBldgEquipAccumDeprecAmt | 0 | 0 |
| IRS990/LandBldgEquipBasisNetGrp/BOYAmt | 0 | 94545 |
| IRS990/LandBldgEquipBasisNetGrp/EOYAmt | 0 | 94545 |
| IRS990/LandBldgEquipCostOrOtherBssAmt | 0 | 94545 |
| IRS990/LegalDomicileStateCd | 0 | MI |
| IRS990/LessRentalExpensesGrp/PersonalAmt | 0 | 0 |
| IRS990/LessRentalExpensesGrp/RealAmt | 0 | 0 |
| IRS990/LoanOutstandingInd | 0 | 0 |
| IRS990/LoansFromOfficersDirectorsGrp/BOYAmt | 0 | 0 |
| IRS990/LocalChaptersInd | 0 | 0 |
| IRS990/MaterialDiversionOrMisuseInd | 0 | 0 |
| IRS990/MembershipDuesAmt | 0 | 0 |
| IRS990/MembersOrStockholdersInd | 0 | 1 |
| IRS990/MethodOfAccountingAccrualInd | 0 | X |
| IRS990/MinutesOfCommitteesInd | 0 | 0 |
| IRS990/MinutesOfGoverningBodyInd | 0 | 0 |
| IRS990/MissionDesc | 0 | Gamma Nu House Association, Inc. (Gamma Nu) exists to promote literacy, scientific education and the development of fellowship among members. Gamma Nu maintains a historic home in Ann Arbor, Michigan, which is home 20 or more students at the University of Michigan on an annual basis. Primary funding sources are gifts contributed by alumni members and rent paid by residents. All of our expenses (and all of our time) are dedicated to the purposes noted above, which includes the maintenance and upkeep of the home and related membership events and activities (including scholarships). |
| IRS990/MoreThan5000KToIndividualsInd | 0 | 0 |
| IRS990/MoreThan5000KToOrgInd | 0 | 0 |
| IRS990/MortgNotesPyblScrdInvstPropGrp/BOYAmt | 0 | 950000 |
| IRS990/MortgNotesPyblScrdInvstPropGrp/EOYAmt | 0 | 950000 |
| IRS990/NetAssetsOrFundBalancesBOYAmt | 0 | -579529 |
| IRS990/NetAssetsOrFundBalancesEOYAmt | 0 | -486908 |
| IRS990/NetRentalIncomeOrLossGrp/ExclusionAmt | 0 | 0 |
| IRS990/NetRentalIncomeOrLossGrp/RelatedOrExemptFuncIncomeAmt | 0 | 271847 |
| IRS990/NetRentalIncomeOrLossGrp/TotalRevenueColumnAmt | 0 | 271847 |
| IRS990/NetRentalIncomeOrLossGrp/UnrelatedBusinessRevenueAmt | 0 | 0 |
| IRS990/NetUnrelatedBusTxblIncmAmt | 0 | 0 |
| IRS990/NetUnrlzdGainsLossesInvstAmt | 0 | 0 |
| IRS990/NoDonorRestrictionNetAssetsGrp/BOYAmt | 0 | -582779 |
| IRS990/NoDonorRestrictionNetAssetsGrp/EOYAmt | 0 | -490158 |
| IRS990/NoncashContributionsAmt | 0 | 0 |
| IRS990/NondeductibleContributionsInd | 0 | 1 |
| IRS990/NondeductibleContriDisclInd | 0 | 1 |
| IRS990/OccupancyGrp/TotalAmt | 0 | 203198 |
| IRS990/OfficeExpensesGrp/TotalAmt | 0 | 3735 |
| IRS990/OfficerMailingAddressInd | 0 | 0 |
| IRS990/OperateHospitalInd | 0 | 0 |
| IRS990/Organization501cInd | 0 | X |
| IRS990/OrganizationFollowsFASB117Ind | 0 | X |
| IRS990/OtherChangesInNetAssetsAmt | 0 | -1 |
| IRS990/OtherInd | 0 | X |
| IRS990/OtherLiabilitiesGrp/BOYAmt | 0 | 32799 |
| IRS990/OtherLiabilitiesGrp/EOYAmt | 0 | 23500 |
| IRS990/OtherRevenueTotalAmt | 0 | 0 |
| IRS990/OthNotesLoansReceivableNetGrp/BOYAmt | 0 | 0 |
| IRS990/PartialLiquidationInd | 0 | 0 |
| IRS990/PledgesAndGrantsReceivableGrp/BOYAmt | 0 | 190452 |
| IRS990/PledgesAndGrantsReceivableGrp/EOYAmt | 0 | 211078 |
| IRS990/PoliticalCampaignActyInd | 0 | 0 |
| IRS990/PrepaidExpensesDefrdChargesGrp/BOYAmt | 0 | 7409 |
| IRS990/PrepaidExpensesDefrdChargesGrp/EOYAmt | 0 | 7079 |
| IRS990/PrincipalOfficerNm | 0 | Michael Simonte |
| IRS990/PriorPeriodAdjustmentsAmt | 0 | 0 |
| IRS990/ProfessionalFundraisingInd | 0 | 1 |
| IRS990/ProhibitedTaxShelterTransInd | 0 | 0 |
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| IRS990/PYContributionsGrantsAmt | 0 | 320492 |
| IRS990/PYGrantsAndSimilarPaidAmt | 0 | 0 |
| IRS990/PYInvestmentIncomeAmt | 0 | 1546 |
| IRS990/PYOtherExpensesAmt | 0 | 278113 |
| IRS990/PYOtherRevenueAmt | 0 | 267184 |
| IRS990/PYProgramServiceRevenueAmt | 0 | 0 |
| IRS990/PYRevenuesLessExpensesAmt | 0 | 195301 |
| IRS990/PYSalariesCompEmpBnftPaidAmt | 0 | 0 |
| IRS990/PYTotalExpensesAmt | 0 | 393921 |
| IRS990/PYTotalProfFndrsngExpnsAmt | 0 | 114587 |
| IRS990/PYTotalRevenueAmt | 0 | 589222 |
| IRS990/RcvblFromDisqualifiedPrsnGrp/BOYAmt | 0 | 0 |
| IRS990/ReceivablesFromOfficersEtcGrp/BOYAmt | 0 | 0 |
| IRS990/ReconcilationRevenueExpnssAmt | 0 | 92622 |
| IRS990/RelatedEntityInd | 0 | 0 |
| IRS990/RelatedOrganizationCtrlEntInd | 0 | 0 |
| IRS990/RelatedOrganizationsAmt | 0 | 37159 |
| IRS990/RentalIncomeOrLossGrp/PersonalAmt | 0 | 0 |
| IRS990/RentalIncomeOrLossGrp/RealAmt | 0 | 271847 |
| IRS990/ReportInvestmentsOtherSecInd | 0 | 0 |
| IRS990/ReportLandBuildingEquipmentInd | 0 | 1 |
| IRS990/ReportOtherAssetsInd | 0 | 0 |
| IRS990/ReportOtherLiabilitiesInd | 0 | 1 |
| IRS990/ReportProgramRelatedInvstInd | 0 | 0 |
| IRS990/RoyaltiesRevenueGrp/ExclusionAmt | 0 | 0 |
| IRS990/RoyaltiesRevenueGrp/RelatedOrExemptFuncIncomeAmt | 0 | 0 |
| IRS990/RoyaltiesRevenueGrp/TotalRevenueColumnAmt | 0 | 0 |
| IRS990/RoyaltiesRevenueGrp/UnrelatedBusinessRevenueAmt | 0 | 0 |
| IRS990/SavingsAndTempCashInvstGrp/BOYAmt | 0 | 207173 |
| IRS990/SavingsAndTempCashInvstGrp/EOYAmt | 0 | 231474 |
| 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 | 1 |
| IRS990ScheduleD/BuildingsGrp/BookValueAmt | 0 | 0 |
| IRS990ScheduleD/BuildingsGrp/DepreciationAmt | 0 | 0 |
| IRS990ScheduleD/BuildingsGrp/InvestmentCostOrOtherBasisAmt | 0 | 0 |
| IRS990ScheduleD/BuildingsGrp/OtherCostOrOtherBasisAmt | 0 | 0 |
| IRS990ScheduleD/EquipmentGrp/BookValueAmt | 0 | 0 |
| IRS990ScheduleD/EquipmentGrp/DepreciationAmt | 0 | 0 |
| IRS990ScheduleD/EquipmentGrp/InvestmentCostOrOtherBasisAmt | 0 | 0 |
| IRS990ScheduleD/EquipmentGrp/OtherCostOrOtherBasisAmt | 0 | 0 |
| IRS990ScheduleD/FederalIncomeTaxLiabilityAmt | 0 | 0 |
| IRS990ScheduleD/LandGrp/BookValueAmt | 0 | 94545 |
| IRS990ScheduleD/LandGrp/InvestmentCostOrOtherBasisAmt | 0 | 94545 |
| IRS990ScheduleD/LandGrp/OtherCostOrOtherBasisAmt | 0 | 0 |
| IRS990ScheduleD/LeaseholdImprovementsGrp/BookValueAmt | 0 | 0 |
| IRS990ScheduleD/LeaseholdImprovementsGrp/DepreciationAmt | 0 | 0 |
| IRS990ScheduleD/LeaseholdImprovementsGrp/InvestmentCostOrOtherBasisAmt | 0 | 0 |
| IRS990ScheduleD/LeaseholdImprovementsGrp/OtherCostOrOtherBasisAmt | 0 | 0 |
| IRS990ScheduleD/OtherLandBuildingsGrp/BookValueAmt | 0 | 0 |
| IRS990ScheduleD/OtherLandBuildingsGrp/DepreciationAmt | 0 | 0 |
| IRS990ScheduleD/OtherLandBuildingsGrp/InvestmentCostOrOtherBasisAmt | 0 | 0 |
| IRS990ScheduleD/OtherLandBuildingsGrp/OtherCostOrOtherBasisAmt | 0 | 0 |
| IRS990ScheduleD/OtherLiabilitiesOrgGrp/Amt | 0 | 23500 |
| IRS990ScheduleD/OtherLiabilitiesOrgGrp/Desc | 0 | Deferred rent |
| IRS990ScheduleD/TotalBookValueLandBuildingsAmt | 0 | 94545 |
| IRS990ScheduleD/TotalLiabilityAmt | 0 | 23500 |
| IRS990ScheduleG/AgrmtProfFundraisingActyInd | 0 | 0 |
| IRS990ScheduleG/AllStatesCd | 0 | All States |
| IRS990ScheduleG/EmailSolicitationsInd | 0 | X |
| IRS990ScheduleG/InPersonSolicitationsInd | 0 | X |
| IRS990ScheduleG/MailSolicitationsInd | 0 | X |
| IRS990ScheduleG/PhoneSolicitationsInd | 0 | X |
| IRS990/ScheduleJRequiredInd | 0 | 0 |
| IRS990/ScheduleORequiredInd | 0 | 1 |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 0 | We have hired CSL Management to provide property management services, including billing, collections, vendor payments, bookkeeping services and maintenance management activities. Maintenance activities are typically coordinated with unaffiliated local service providers. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 1 | All living graduates of the University of Michigan who were part of the Gamma Nu Chapter of Sigma Nu Fraternity are members of Gamma Nu House Association, Inc. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 2 | All living members of the Gamma Nu Chapter of Sigma Nu Fraternity at the University of Michigan are members of Gamma Nu House Association, Inc. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 3 | We did not keep minutes for meetings of Gamma Nu House Association, Inc. in 2025. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 4 | There are no Committees with the authority to act on behalf of the governing body. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 5 | The names and addresses of all Board members have been reported in this tax return. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 6 | The organization's Treasurer is responsible to prepare this Form 990. Prior to it being filed, a draft copy of the return is distributed to the Board for their review and comment. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 7 | A copy of this tax return on Form 990 is available upon request. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 8 | Copies of the organization's governing documents, this tax return on Form 990 and financial statements are available upon request. We do not have a written conflict of interest policy. However, we did not receive any requests for this information in 2025. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 9 | Balancing entry, rounding |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 0 | Form 990, Part VI, Section A, Line 3 |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 1 | Form 990, Part VI, Section A, Line 6 |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 2 | Form 990, Part VI, Section A, Line 7a |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 3 | Form 990, Part VI, Section A, Line 8a |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 4 | Form 990, Part VI, Section A, Line 8b |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 5 | Form 990, Part VI, Section A, Line 9 |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 6 | Form 990, Part VI, Section B, Line 11b |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 7 | Form 990, Part VI, Section C, Line 18 |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 8 | Form 990, Part VI, Section C, Line 19 |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 9 | Form 990, Part XI, Line 9 |
| IRS990/SchoolOperatingInd | 0 | 0 |
| IRS990/SignificantChangeInd | 0 | 0 |
| IRS990/SignificantNewProgramSrvcInd | 0 | 0 |
| IRS990/SubjectToExcsTaxNetInvstIncInd | 0 | 0 |
| IRS990/SubjectToProxyTaxInd | 0 | 0 |
| IRS990/SubjToTaxRmnrtnExPrchtPymtInd | 0 | 0 |
| IRS990/TaxablePartyNotificationInd | 0 | 0 |
| IRS990/TaxExemptBondLiabilitiesGrp/BOYAmt | 0 | 0 |
| IRS990/TaxExemptBondsInd | 0 | 0 |
| IRS990/TerminateOperationsInd | 0 | 0 |
| IRS990/TotalAssetsBOYAmt | 0 | 513458 |
| IRS990/TotalAssetsEOYAmt | 0 | 553285 |
| IRS990/TotalAssetsGrp/BOYAmt | 0 | 513458 |
| IRS990/TotalAssetsGrp/EOYAmt | 0 | 553285 |
| IRS990/TotalCompGreaterThan150KInd | 0 | 0 |
| IRS990/TotalContributionsAmt | 0 | 159533 |
| IRS990/TotalEmployeeCnt | 0 | 0 |
| IRS990/TotalFunctionalExpensesGrp/FundraisingAmt | 0 | 0 |
| IRS990/TotalFunctionalExpensesGrp/ManagementAndGeneralAmt | 0 | 0 |
| IRS990/TotalFunctionalExpensesGrp/ProgramServicesAmt | 0 | 0 |
| IRS990/TotalFunctionalExpensesGrp/TotalAmt | 0 | 340020 |
| IRS990/TotalGrossUBIAmt | 0 | 0 |
| IRS990/TotalLiabilitiesBOYAmt | 0 | 1092987 |
| IRS990/TotalLiabilitiesEOYAmt | 0 | 1040193 |
| IRS990/TotalLiabilitiesGrp/BOYAmt | 0 | 1092987 |
| IRS990/TotalLiabilitiesGrp/EOYAmt | 0 | 1040193 |
| IRS990/TotalNetAssetsFundBalanceGrp/BOYAmt | 0 | -579529 |
| IRS990/TotalNetAssetsFundBalanceGrp/EOYAmt | 0 | -486908 |
| IRS990/TotalOtherCompensationAmt | 0 | 0 |
| IRS990/TotalOtherProgSrvcExpenseAmt | 0 | 0 |
| IRS990/TotalOtherProgSrvcGrantAmt | 0 | 0 |
| IRS990/TotalOtherProgSrvcRevenueAmt | 0 | 0 |
| IRS990/TotalProgramServiceExpensesAmt | 0 | 0 |
| IRS990/TotalProgramServiceRevenueAmt | 0 | 0 |
| IRS990/TotalReportableCompFromOrgAmt | 0 | 0 |
| IRS990/TotalRevenueGrp/ExclusionAmt | 0 | 0 |
| IRS990/TotalRevenueGrp/RelatedOrExemptFuncIncomeAmt | 0 | 273109 |
| IRS990/TotalRevenueGrp/TotalRevenueColumnAmt | 0 | 432642 |
| IRS990/TotalRevenueGrp/UnrelatedBusinessRevenueAmt | 0 | 0 |
| IRS990/TotalVolunteersCnt | 0 | 20 |
| IRS990/TotLiabNetAssetsFundBalanceGrp/BOYAmt | 0 | 513458 |
| IRS990/TotLiabNetAssetsFundBalanceGrp/EOYAmt | 0 | 553285 |
| IRS990/TotReportableCompRltdOrgAmt | 0 | 0 |
| IRS990/TypeOfOrganizationCorpInd | 0 | X |
| IRS990/UnrelatedBusIncmOverLimitInd | 0 | 0 |
| IRS990/UnsecuredNotesLoansPayableGrp/BOYAmt | 0 | 13764 |
| IRS990/UnsecuredNotesLoansPayableGrp/EOYAmt | 0 | 13479 |
| IRS990/USAddress/AddressLine1Txt | 0 | 22526 Autumn Park Boulevard |
| IRS990/USAddress/CityNm | 0 | Novi |
| IRS990/USAddress/StateAbbreviationCd | 0 | MI |
| IRS990/USAddress/ZIPCd | 0 | 48374 |
| IRS990/VotingMembersGoverningBodyCnt | 0 | 5 |
| IRS990/VotingMembersIndependentCnt | 0 | 0 |
| IRS990/WhistleblowerPolicyInd | 0 | 0 |
| ReturnHeader/BuildTS | 0 | 2025-03-06 01:10:19Z |
| ReturnHeader/BusinessOfficerGrp/PersonNm | 0 | Michael Simonte |
| ReturnHeader/BusinessOfficerGrp/PersonTitleTxt | 0 | Treasurer |
| ReturnHeader/BusinessOfficerGrp/PhoneNum | 0 | 3136714175 |
| ReturnHeader/BusinessOfficerGrp/SignatureDt | 0 | 2026-02-15 |
| ReturnHeader/Filer/BusinessName/BusinessNameLine1Txt | 0 | GAMMA NU HOUSE ASSOCIATION INC |
| ReturnHeader/Filer/BusinessNameControlTxt | 0 | GAMM |
| ReturnHeader/Filer/EIN | 0 | 381910646 |
| ReturnHeader/Filer/PhoneNum | 0 | 3136714175 |
| ReturnHeader/Filer/USAddress/AddressLine1Txt | 0 | 22526 Autumn Park Boulevard |
| ReturnHeader/Filer/USAddress/CityNm | 0 | Novi |
| ReturnHeader/Filer/USAddress/StateAbbreviationCd | 0 | MI |
| ReturnHeader/Filer/USAddress/ZIPCd | 0 | 48374 |
| ReturnHeader/ReturnTs | 0 | 2026-02-14T20:10:01-07:00 |
| ReturnHeader/ReturnTypeCd | 0 | 990 |
| ReturnHeader/TaxPeriodBeginDt | 0 | 2025-01-01 |
| ReturnHeader/TaxPeriodEndDt | 0 | 2025-12-31 |
| ReturnHeader/TaxYr | 0 | 2025 |
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