Liabilities / Assets
43rd percentile
Tied with the lowest-debt nonprofits in its peer group.
EIN 94-3122123 • 501(c)5 • San Francisco, CA
Profile
To defray the cost, in part, of maintaining the related union's hiring hall.
Precomputed percentiles relative to similar nonprofits. These scores are descriptive rather than judgmental.
Liabilities / Assets
43rd percentile
Tied with the lowest-debt nonprofits in its peer group.
Liabilities / Revenue
44th percentile
Tied with the lowest-debt nonprofits in its peer group.
Net Margin
32nd percentile
Higher net margin than 32% of similar nonprofits.
Top Officer Pay
36th percentile
Higher top officer pay than 36% of similar nonprofits.
Top officer pay equals 0.0% of source-year revenue.
Asset Growth
34th percentile
Faster asset growth than 34% of similar nonprofits.
Revenue Growth
85th percentile
Faster revenue growth than 85% of similar nonprofits.
Assets
Flat$143,700
Flat from 2023
Liabilities
Flat$0
Flat from 2023
Net Assets
Flat$143,700
Flat from 2023
Revenue
Up$513,962
Up $96,135 (+23%) from 2023
Expenses
Up$513,962
Up $96,135 (+23%) from 2023
Net Income
Flat$0
Flat from 2023
Most recent year
2024 • Form 990Detailed filing. Detailed filing data is available for this year.
To defray the cost, in part, of maintaining the related union's hiring hall.
To defray the cost in part of maintaining the related union's hiring hall.
| Line | Beginning | End | Change |
|---|---|---|---|
| Assets | |||
| Cash and Non-Interest-Bearing Accounts | $143,700 | $143,700 | → $0 |
| Savings and Temporary Cash Investments | $0 | $0 | → $0 |
| Accounts Receivable | $0 | $0 | → $0 |
| Other Notes and Loans Receivable, Net | $0 | $0 | → $0 |
| Pledges and Grants Receivable | $0 | $0 | → $0 |
| Receivable From Disqualified Prsn | $0 | $0 | → $0 |
| Receivables From Officers Etc | $0 | $0 | → $0 |
| Investments Other Securities | $0 | $0 | → $0 |
| Investments Program Related | $0 | $0 | → $0 |
| Investments in Publicly Traded Securities | $0 | $0 | → $0 |
| Land, Buildings, and Equipment, Net | $0 | $0 | → $0 |
| Intangible Assets | $0 | $0 | → $0 |
| Inventories for Sale or Use | $0 | $0 | → $0 |
| Loans From Officers Directors | $0 | $0 | → $0 |
| Prepaid Expenses and Deferred Charges | $0 | $0 | → $0 |
| Total Assets | $143,700 | $143,700 | → $0 |
| Other Assets Total | $0 | $0 | → $0 |
| Liabilities | |||
| Accounts Payable and Accrued Expenses | $0 | $0 | → $0 |
| Grants Payable | $0 | $0 | → $0 |
| Mortgage Notes Payable Secured by Investment Property | $0 | $0 | → $0 |
| Unsecured Notes Loans Payable | $0 | $0 | → $0 |
| Other Liabilities | $0 | $0 | → $0 |
| Deferred Revenue | $0 | $0 | → $0 |
| Escrow Account Liability | $0 | $0 | → $0 |
| Tax Exempt Bond Liabilities | $0 | $0 | → $0 |
| Total Liabilities | $0 | $0 | → $0 |
| Net Assets / Fund Balance | |||
| Net Assets With Donor Restrictions | $124,589 | $122,600 | ▼ $1,989 |
| Net Assets Without Donor Restrictions | $19,111 | $21,100 | ▲ $1,989 |
| Total Net Assets Fund Balance | $143,700 | $143,700 | → $0 |
| Total Liabilities and Net Assets / Fund Balance | $143,700 | $143,700 | → $0 |
| Name | Title |
|---|---|
| Anthony G Poplawski | Trustee |
| Danny Defanti | Trustee |
| Deyne Umphress | Trustee |
| Michael Labonte | Trustee |
| Line Item | Amount |
|---|---|
| Grants and Similar Amounts Paid | $497,494 |
| Other Expenses | $16,468 |
| Professional Fundraising Fees | $0 |
| Salaries, Compensation, and Employee Benefits | $0 |
| Total Fundraising Expense | $0 |
| Line Item | Program | Management | Fundraising | Total |
|---|---|---|---|---|
| Grants to Domestic Orgs | - | - | - | $497,494 |
| Fees for Services Accounting | - | - | - | $8,604 |
| Office Expenses | - | - | - | $2,573 |
| Insurance | - | - | - | $2,527 |
| Fees for Services Legal | - | - | - | $2,104 |
| Fees for Services Management | - | - | - | $660 |
| Total Functional Expenses | $0 | $0 | $0 | $513,962 |
| Line Item | Amount |
|---|---|
| Expenses per Audited Statements | $513,962 |
| Total Expenses per Audited Statements | $513,962 |
| Total Expenses per Form 990 | $513,962 |
| Recipient | Location | Category | Purpose | Amount |
|---|---|---|---|---|
| MARINE FIREMEN'S UNION | San Francisco, CA | 501(c)(5) | Defray Dispatch Costs | $497,494 |
| Line Item | Amount |
|---|---|
| Fundraising Direct Expenses | $0 |
| Fundraising Gross Income | $0 |
| Gaming Direct Expenses | $0 |
| Gaming Gross Income | $0 |
| Professional Fundraising Fees | $0 |
| Line Item | Beginning | End | Change |
|---|---|---|---|
| Loans from Officers, Directors, Trustees, and Key Employees | $0 | $0 | → $0 |
| Receivables from Disqualified Persons | $0 | $0 | → $0 |
| Receivables from Officers, Directors, Trustees, and Key Employees | $0 | $0 | → $0 |
“There is no committee with authority to act on behalf of the governing body.”
“A copy of the form 990 is provided to one trustee and to legal counsel for review and approval prior to filing with the irs.”
“At least once annually, trustees and other individuals subject to the conflict of interest policy will be asked to disclose any relationships or interests that could give rise to a conflict. Should any individual covered by this policy determine or suspect that he or she possesses an actual or potential conflict of interest, such individual must disclose the existence of the financial interest or relationship giving rise to such conflict and disclose all relevant facts prior to participating in any decision to enter into any proposed transaction or arrangement or, if later, as soon as the actual or potential conflict is recognized.”
“Upon request, the organization makes its governing documents, conflict of interest policy, and financial statements available to the public.”
“The board of trustees assumes responsibilities for oversight of the audit of its financial statements and selection of an independent accountant. This process has not changed.”
“The Trust's management has analyzed the tax positions taken by the Trust and has concluded that, as of December 31, 2024 AND 2023, there are no uncertain positions taken, or expected to be taken, that would require recognition of a liability or disclosure in the financial statements. The Trust is subject to routine audits by the taxing jurisdictions; however, there are currently no audits for any tax periods. In addition, there have been no tax related interest or penalties for the periods presented in these financial statements.”
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/AccountsPayableAccrExpnssGrp/BOYAmt | 0 | 0 |
| IRS990/AccountsPayableAccrExpnssGrp/EOYAmt | 0 | 0 |
| IRS990/AccountsReceivableGrp/BOYAmt | 0 | 0 |
| IRS990/AccountsReceivableGrp/EOYAmt | 0 | 0 |
| IRS990/ActivitiesConductedPrtshpInd | 0 | false |
| IRS990/ActivityOrMissionDesc | 0 | TO DEFRAY THE COST IN PART OF MAINTAINING THE RELATED UNION'S HIRING HALL. |
| IRS990/AdvertisingGrp/TotalAmt | 0 | 0 |
| IRS990/AnnualDisclosureCoveredPrsnInd | 0 | true |
| IRS990/AuditCommitteeInd | 0 | true |
| IRS990/BackupWthldComplianceInd | 0 | true |
| IRS990/BenefitsToMembersGrp/TotalAmt | 0 | 0 |
| IRS990/BooksInCareOfDetail/PersonNm | 0 | ANTHONY POPLAWSKI |
| IRS990/BooksInCareOfDetail/PhoneNum | 0 | 4153624592 |
| IRS990/BooksInCareOfDetail/USAddress/AddressLine1Txt | 0 | 240 SECOND STREET |
| IRS990/BooksInCareOfDetail/USAddress/CityNm | 0 | San Francisco |
| IRS990/BooksInCareOfDetail/USAddress/StateAbbreviationCd | 0 | CA |
| IRS990/BooksInCareOfDetail/USAddress/ZIPCd | 0 | 94105 |
| IRS990/BusinessRlnWith35CtrlEntInd | 0 | false |
| IRS990/BusinessRlnWithFamMemInd | 0 | false |
| IRS990/BusinessRlnWithOrgMemInd | 0 | false |
| IRS990/CashNonInterestBearingGrp/BOYAmt | 0 | 143700 |
| IRS990/CashNonInterestBearingGrp/EOYAmt | 0 | 143700 |
| IRS990/ChangeToOrgDocumentsInd | 0 | false |
| IRS990/CntrctRcvdGreaterThan100KCnt | 0 | 0 |
| IRS990/CollectionsOfArtInd | 0 | false |
| IRS990/CompCurrentOfcrDirectorsGrp/TotalAmt | 0 | 0 |
| IRS990/CompDisqualPersonsGrp/TotalAmt | 0 | 0 |
| IRS990/CompensationFromOtherSrcsInd | 0 | false |
| IRS990/CompensationProcessCEOInd | 0 | false |
| IRS990/CompensationProcessOtherInd | 0 | false |
| IRS990/ConferencesMeetingsGrp/TotalAmt | 0 | 0 |
| IRS990/ConflictOfInterestPolicyInd | 0 | true |
| IRS990/ConservationEasementsInd | 0 | false |
| IRS990/ConsolidatedAuditFinclStmtInd | 0 | false |
| IRS990/CostOfGoodsSoldAmt | 0 | 0 |
| IRS990/CreditCounselingInd | 0 | false |
| IRS990/CYBenefitsPaidToMembersAmt | 0 | 0 |
| IRS990/CYContributionsGrantsAmt | 0 | 0 |
| IRS990/CYGrantsAndSimilarPaidAmt | 0 | 497494 |
| IRS990/CYInvestmentIncomeAmt | 0 | 29 |
| IRS990/CYOtherExpensesAmt | 0 | 16468 |
| IRS990/CYOtherRevenueAmt | 0 | 0 |
| IRS990/CYProgramServiceRevenueAmt | 0 | 513933 |
| IRS990/CYRevenuesLessExpensesAmt | 0 | 0 |
| IRS990/CYSalariesCompEmpBnftPaidAmt | 0 | 0 |
| IRS990/CYTotalExpensesAmt | 0 | 513962 |
| IRS990/CYTotalFundraisingExpenseAmt | 0 | 0 |
| IRS990/CYTotalProfFndrsngExpnsAmt | 0 | 0 |
| IRS990/CYTotalRevenueAmt | 0 | 513962 |
| IRS990/DecisionsSubjectToApprovaInd | 0 | false |
| IRS990/DeductibleArtContributionInd | 0 | false |
| IRS990/DeductibleNonCashContriInd | 0 | false |
| IRS990/DeferredRevenueGrp/BOYAmt | 0 | 0 |
| IRS990/DeferredRevenueGrp/EOYAmt | 0 | 0 |
| IRS990/DelegationOfMgmtDutiesInd | 0 | false |
| IRS990/DepreciationDepletionGrp/TotalAmt | 0 | 0 |
| IRS990/Desc | 0 | THE ORGANIZATION PROVIDED FUNDING TO HELP DEFRAY THE COST OF MAINTAINING THE RELATED UNION'S HIRING HALL. |
| IRS990/DescribedInSection501c3Ind | 0 | false |
| IRS990/DisregardedEntityInd | 0 | false |
| IRS990/DocumentRetentionPolicyInd | 0 | true |
| IRS990/DonorAdvisedFundInd | 0 | false |
| IRS990/DonorRestrictionNetAssetsGrp/BOYAmt | 0 | 124589 |
| IRS990/DonorRestrictionNetAssetsGrp/EOYAmt | 0 | 122600 |
| IRS990/DonorRstrOrQuasiEndowmentsInd | 0 | false |
| IRS990/ElectionOfBoardMembersInd | 0 | false |
| IRS990/EmployeeCnt | 0 | 0 |
| IRS990/EscrowAccountLiabilityGrp/BOYAmt | 0 | 0 |
| IRS990/EscrowAccountLiabilityGrp/EOYAmt | 0 | 0 |
| IRS990/FamilyOrBusinessRlnInd | 0 | false |
| IRS990/FederalGrantAuditRequiredInd | 0 | false |
| IRS990/FeesForServicesAccountingGrp/TotalAmt | 0 | 8604 |
| IRS990/FeesForServicesLegalGrp/TotalAmt | 0 | 2104 |
| IRS990/FeesForServicesLobbyingGrp/TotalAmt | 0 | 0 |
| IRS990/FeesForServicesManagementGrp/TotalAmt | 0 | 660 |
| IRS990/FeesForServicesOtherGrp/TotalAmt | 0 | 0 |
| IRS990/FeesForServicesProfFundraising/TotalAmt | 0 | 0 |
| IRS990/FeesForSrvcInvstMgmntFeesGrp/TotalAmt | 0 | 0 |
| IRS990/ForeignActivitiesInd | 0 | false |
| IRS990/ForeignFinancialAccountInd | 0 | false |
| IRS990/ForeignGrantsGrp/TotalAmt | 0 | 0 |
| IRS990/ForeignOfficeInd | 0 | false |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 0 | 0.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 1 | 0.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 2 | 0.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 3 | 0.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 0 | 1.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 1 | 1.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 2 | 1.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 3 | 1.0 |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 0 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 1 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 2 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 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 | ANTHONY G POPLAWSKI |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 1 | DEYNE UMPHRESS |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 2 | DANNY DEFANTI |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 3 | MICHAEL LABONTE |
| 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 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 1 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 2 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 3 | TRUSTEE |
| IRS990/Form990ProvidedToGvrnBodyInd | 0 | false |
| IRS990/FormationYr | 0 | 1990 |
| IRS990/FormerOfcrEmployeesListedInd | 0 | false |
| IRS990/FSAuditedBasisGrp/SeparateBasisFinclStmtInd | 0 | X |
| IRS990/FSAuditedInd | 0 | true |
| IRS990/FundraisingActivitiesInd | 0 | false |
| IRS990/FundraisingDirectExpensesAmt | 0 | 0 |
| IRS990/FundraisingGrossIncomeAmt | 0 | 0 |
| IRS990/GamingActivitiesInd | 0 | false |
| IRS990/GamingDirectExpensesAmt | 0 | 0 |
| IRS990/GamingGrossIncomeAmt | 0 | 0 |
| IRS990/GoverningBodyVotingMembersCnt | 0 | 4 |
| IRS990/GrantsPayableGrp/BOYAmt | 0 | 0 |
| IRS990/GrantsPayableGrp/EOYAmt | 0 | 0 |
| IRS990/GrantsToDomesticIndividualsGrp/TotalAmt | 0 | 0 |
| IRS990/GrantsToDomesticOrgsGrp/TotalAmt | 0 | 497494 |
| IRS990/GrantsToIndividualsInd | 0 | false |
| IRS990/GrantsToOrganizationsInd | 0 | true |
| IRS990/GrantToRelatedPersonInd | 0 | false |
| IRS990/GrossReceiptsAmt | 0 | 513962 |
| IRS990/GrossSalesOfInventoryAmt | 0 | 0 |
| IRS990/GroupReturnForAffiliatesInd | 0 | false |
| IRS990/IncludeFIN48FootnoteInd | 0 | true |
| IRS990/IncmFromInvestBondProceedsGrp/TotalRevenueColumnAmt | 0 | 0 |
| IRS990/IndependentAuditFinclStmtInd | 0 | true |
| IRS990/IndependentVotingMemberCnt | 0 | 4 |
| IRS990/IndivRcvdGreaterThan100KCnt | 0 | 0 |
| IRS990/IndoorTanningServicesInd | 0 | false |
| IRS990/InfoInScheduleOPartVIInd | 0 | X |
| IRS990/InfoInScheduleOPartXIIInd | 0 | X |
| IRS990/InformationTechnologyGrp/TotalAmt | 0 | 0 |
| IRS990/InsuranceGrp/TotalAmt | 0 | 2527 |
| IRS990/IntangibleAssetsGrp/BOYAmt | 0 | 0 |
| IRS990/IntangibleAssetsGrp/EOYAmt | 0 | 0 |
| IRS990/InterestGrp/TotalAmt | 0 | 0 |
| IRS990/InventoriesForSaleOrUseGrp/BOYAmt | 0 | 0 |
| IRS990/InventoriesForSaleOrUseGrp/EOYAmt | 0 | 0 |
| IRS990/InvestmentIncomeGrp/ExclusionAmt | 0 | 29 |
| IRS990/InvestmentIncomeGrp/TotalRevenueColumnAmt | 0 | 29 |
| IRS990/InvestmentInJointVentureInd | 0 | false |
| IRS990/InvestmentsOtherSecuritiesGrp/BOYAmt | 0 | 0 |
| IRS990/InvestmentsOtherSecuritiesGrp/EOYAmt | 0 | 0 |
| IRS990/InvestmentsProgramRelatedGrp/BOYAmt | 0 | 0 |
| IRS990/InvestmentsProgramRelatedGrp/EOYAmt | 0 | 0 |
| IRS990/InvestmentsPubTradedSecGrp/BOYAmt | 0 | 0 |
| IRS990/InvestmentsPubTradedSecGrp/EOYAmt | 0 | 0 |
| IRS990/IRPDocumentCnt | 0 | 4 |
| IRS990/IRPDocumentW2GCnt | 0 | 0 |
| IRS990/LandBldgEquipBasisNetGrp/BOYAmt | 0 | 0 |
| IRS990/LandBldgEquipBasisNetGrp/EOYAmt | 0 | 0 |
| IRS990/LegalDomicileStateCd | 0 | CA |
| IRS990/LoanOutstandingInd | 0 | false |
| IRS990/LoansFromOfficersDirectorsGrp/BOYAmt | 0 | 0 |
| IRS990/LoansFromOfficersDirectorsGrp/EOYAmt | 0 | 0 |
| IRS990/LocalChaptersInd | 0 | false |
| IRS990/MaterialDiversionOrMisuseInd | 0 | false |
| IRS990/MembersOrStockholdersInd | 0 | false |
| IRS990/MethodOfAccountingCashInd | 0 | X |
| IRS990/MinutesOfCommitteesInd | 0 | false |
| IRS990/MinutesOfGoverningBodyInd | 0 | true |
| IRS990/MissionDesc | 0 | TO DEFRAY THE COST, IN PART, OF MAINTAINING THE RELATED UNION'S HIRING HALL. |
| IRS990/MoreThan5000KToIndividualsInd | 0 | false |
| IRS990/MoreThan5000KToOrgInd | 0 | false |
| IRS990/MortgNotesPyblScrdInvstPropGrp/BOYAmt | 0 | 0 |
| IRS990/MortgNotesPyblScrdInvstPropGrp/EOYAmt | 0 | 0 |
| IRS990/NetAssetsOrFundBalancesBOYAmt | 0 | 143700 |
| IRS990/NetAssetsOrFundBalancesEOYAmt | 0 | 143700 |
| IRS990/NetGainOrLossInvestmentsGrp/TotalRevenueColumnAmt | 0 | 0 |
| IRS990/NetIncmFromFundraisingEvtGrp/TotalRevenueColumnAmt | 0 | 0 |
| IRS990/NetIncomeFromGamingGrp/TotalRevenueColumnAmt | 0 | 0 |
| IRS990/NetIncomeOrLossGrp/TotalRevenueColumnAmt | 0 | 0 |
| IRS990/NetRentalIncomeOrLossGrp/TotalRevenueColumnAmt | 0 | 0 |
| IRS990/NetUnrelatedBusTxblIncmAmt | 0 | 0 |
| IRS990/NoDonorRestrictionNetAssetsGrp/BOYAmt | 0 | 19111 |
| IRS990/NoDonorRestrictionNetAssetsGrp/EOYAmt | 0 | 21100 |
| IRS990/NoListedPersonsCompensatedInd | 0 | X |
| IRS990/NondeductibleContributionsInd | 0 | false |
| IRS990/OccupancyGrp/TotalAmt | 0 | 0 |
| IRS990/OfficeExpensesGrp/TotalAmt | 0 | 2573 |
| IRS990/OfficerMailingAddressInd | 0 | false |
| IRS990/OperateHospitalInd | 0 | false |
| IRS990/Organization501cInd | 0 | X |
| IRS990/OrganizationFollowsFASB117Ind | 0 | X |
| IRS990/OtherAssetsTotalGrp/BOYAmt | 0 | 0 |
| IRS990/OtherAssetsTotalGrp/EOYAmt | 0 | 0 |
| IRS990/OtherEmployeeBenefitsGrp/TotalAmt | 0 | 0 |
| IRS990/OtherLiabilitiesGrp/BOYAmt | 0 | 0 |
| IRS990/OtherLiabilitiesGrp/EOYAmt | 0 | 0 |
| IRS990/OtherRevenueTotalAmt | 0 | 0 |
| IRS990/OtherSalariesAndWagesGrp/TotalAmt | 0 | 0 |
| IRS990/OthNotesLoansReceivableNetGrp/BOYAmt | 0 | 0 |
| IRS990/OthNotesLoansReceivableNetGrp/EOYAmt | 0 | 0 |
| IRS990/PartialLiquidationInd | 0 | false |
| IRS990/PaymentsToAffiliatesGrp/TotalAmt | 0 | 0 |
| IRS990/PayrollTaxesGrp/TotalAmt | 0 | 0 |
| IRS990/PensionPlanContributionsGrp/TotalAmt | 0 | 0 |
| IRS990/PledgesAndGrantsReceivableGrp/BOYAmt | 0 | 0 |
| IRS990/PledgesAndGrantsReceivableGrp/EOYAmt | 0 | 0 |
| IRS990/PoliticalCampaignActyInd | 0 | false |
| IRS990/PrepaidExpensesDefrdChargesGrp/BOYAmt | 0 | 0 |
| IRS990/PrepaidExpensesDefrdChargesGrp/EOYAmt | 0 | 0 |
| IRS990/PrincipalOfficerNm | 0 | Anthony Poplawski |
| IRS990/ProfessionalFundraisingInd | 0 | false |
| IRS990/ProgramServiceRevenueGrp/BusinessCd | 0 | 900099 |
| IRS990/ProgramServiceRevenueGrp/Desc | 0 | EMPLOYER CONTRIBUTIONS |
| IRS990/ProgramServiceRevenueGrp/RelatedOrExemptFuncIncomeAmt | 0 | 513933 |
| IRS990/ProgramServiceRevenueGrp/TotalRevenueColumnAmt | 0 | 513933 |
| IRS990/ProhibitedTaxShelterTransInd | 0 | false |
| IRS990/PYBenefitsPaidToMembersAmt | 0 | 0 |
| IRS990/PYContributionsGrantsAmt | 0 | 0 |
| IRS990/PYGrantsAndSimilarPaidAmt | 0 | 401194 |
| IRS990/PYInvestmentIncomeAmt | 0 | 27 |
| IRS990/PymtTravelEntrtnmntPubOfclGrp/TotalAmt | 0 | 0 |
| IRS990/PYOtherExpensesAmt | 0 | 16633 |
| IRS990/PYOtherRevenueAmt | 0 | 0 |
| IRS990/PYProgramServiceRevenueAmt | 0 | 417800 |
| IRS990/PYSalariesCompEmpBnftPaidAmt | 0 | 0 |
| IRS990/PYTotalExpensesAmt | 0 | 417827 |
| IRS990/PYTotalProfFndrsngExpnsAmt | 0 | 0 |
| IRS990/PYTotalRevenueAmt | 0 | 417827 |
| IRS990/RcvblFromDisqualifiedPrsnGrp/BOYAmt | 0 | 0 |
| IRS990/RcvblFromDisqualifiedPrsnGrp/EOYAmt | 0 | 0 |
| IRS990/ReceivablesFromOfficersEtcGrp/BOYAmt | 0 | 0 |
| IRS990/ReceivablesFromOfficersEtcGrp/EOYAmt | 0 | 0 |
| IRS990/ReconcilationRevenueExpnssAmt | 0 | 0 |
| IRS990/RegularMonitoringEnfrcInd | 0 | true |
| IRS990/RelatedEntityInd | 0 | true |
| IRS990/RelatedOrganizationCtrlEntInd | 0 | false |
| IRS990/RentalIncomeOrLossGrp/PersonalAmt | 0 | 0 |
| IRS990/RentalIncomeOrLossGrp/RealAmt | 0 | 0 |
| IRS990/ReportInvestmentsOtherSecInd | 0 | false |
| IRS990/ReportLandBuildingEquipmentInd | 0 | false |
| IRS990/ReportOtherAssetsInd | 0 | false |
| IRS990/ReportOtherLiabilitiesInd | 0 | false |
| IRS990/ReportProgramRelatedInvstInd | 0 | false |
| IRS990/RoyaltiesGrp/TotalAmt | 0 | 0 |
| IRS990/RoyaltiesRevenueGrp/TotalRevenueColumnAmt | 0 | 0 |
| IRS990/SavingsAndTempCashInvstGrp/BOYAmt | 0 | 0 |
| IRS990/SavingsAndTempCashInvstGrp/EOYAmt | 0 | 0 |
| IRS990/ScheduleBRequiredInd | 0 | false |
| IRS990ScheduleD/ExpensesSubtotalAmt | 0 | 513962 |
| IRS990ScheduleD/FederalIncomeTaxLiabilityAmt | 0 | 0 |
| IRS990ScheduleD/FootnoteTextInd | 0 | X |
| IRS990ScheduleD/RevenueSubtotalAmt | 0 | 513962 |
| IRS990ScheduleD/SupplementalInformationDetail/ExplanationTxt | 0 | The Trust's management has analyzed the tax positions taken by the Trust and has concluded that, as of December 31, 2024 AND 2023, there are no uncertain positions taken, or expected to be taken, that would require recognition of a liability or disclosure in the financial statements. The Trust is subject to routine audits by the taxing jurisdictions; however, there are currently no audits for any tax periods. In addition, there have been no tax related interest or penalties for the periods presented in these financial statements. |
| IRS990ScheduleD/SupplementalInformationDetail/FormAndLineReferenceDesc | 0 | FORM 990, SCHEDULE D, PART X, LINE 2: |
| IRS990ScheduleD/TotalExpensesPerForm990Amt | 0 | 513962 |
| IRS990ScheduleD/TotalLiabilityAmt | 0 | 0 |
| IRS990ScheduleD/TotalRevenuePerForm990Amt | 0 | 513962 |
| IRS990ScheduleD/TotalRevEtcAuditedFinclStmtAmt | 0 | 513962 |
| IRS990ScheduleD/TotExpnsEtcAuditedFinclStmtAmt | 0 | 513962 |
| IRS990ScheduleI/RecipientTable/CashGrantAmt | 0 | 497494 |
| IRS990ScheduleI/RecipientTable/IRCSectionDesc | 0 | 501(C)(5) |
| IRS990ScheduleI/RecipientTable/PurposeOfGrantTxt | 0 | DEFRAY DISPATCH COSTS |
| IRS990ScheduleI/RecipientTable/RecipientBusinessName/BusinessNameLine1Txt | 0 | MARINE FIREMEN'S UNION |
| IRS990ScheduleI/RecipientTable/RecipientEIN | 0 | 940740780 |
| IRS990ScheduleI/RecipientTable/USAddress/AddressLine1Txt | 0 | 240 SECOND ST |
| IRS990ScheduleI/RecipientTable/USAddress/CityNm | 0 | SAN FRANCISCO |
| IRS990ScheduleI/RecipientTable/USAddress/StateAbbreviationCd | 0 | CA |
| IRS990ScheduleI/RecipientTable/USAddress/ZIPCd | 0 | 94105 |
| IRS990/ScheduleJRequiredInd | 0 | false |
| IRS990/ScheduleORequiredInd | 0 | true |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 0 | THERE IS NO COMMITTEE WITH AUTHORITY TO ACT ON BEHALF OF THE GOVERNING BODY. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 1 | A COPY OF THE FORM 990 IS PROVIDED TO ONE TRUSTEE AND TO LEGAL COUNSEL FOR REVIEW AND APPROVAL PRIOR TO FILING WITH THE IRS. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 2 | AT LEAST ONCE ANNUALLY, TRUSTEES AND OTHER INDIVIDUALS SUBJECT TO THE CONFLICT OF INTEREST POLICY WILL BE ASKED TO DISCLOSE ANY RELATIONSHIPS OR INTERESTS THAT COULD GIVE RISE TO A CONFLICT. SHOULD ANY INDIVIDUAL COVERED BY THIS POLICY DETERMINE OR SUSPECT THAT HE OR SHE POSSESSES AN ACTUAL OR POTENTIAL CONFLICT OF INTEREST, SUCH INDIVIDUAL MUST DISCLOSE THE EXISTENCE OF THE FINANCIAL INTEREST OR RELATIONSHIP GIVING RISE TO SUCH CONFLICT AND DISCLOSE ALL RELEVANT FACTS PRIOR TO PARTICIPATING IN ANY DECISION TO ENTER INTO ANY PROPOSED TRANSACTION OR ARRANGEMENT OR, IF LATER, AS SOON AS THE ACTUAL OR POTENTIAL CONFLICT IS RECOGNIZED. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 3 | UPON REQUEST, THE ORGANIZATION MAKES ITS GOVERNING DOCUMENTS, CONFLICT OF INTEREST POLICY, AND FINANCIAL STATEMENTS AVAILABLE TO THE PUBLIC. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 4 | THE BOARD OF TRUSTEES ASSUMES RESPONSIBILITIES FOR OVERSIGHT OF THE AUDIT OF ITS FINANCIAL STATEMENTS AND SELECTION OF AN INDEPENDENT ACCOUNTANT. THIS PROCESS HAS NOT CHANGED. |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 0 | FORM 990, PART VI, SECTION A, LINE 8B: |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 1 | FORM 990, PART VI, SECTION B, LINE 11B: |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 2 | FORM 990, PART VI, SECTION B, LINE 12C: |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 3 | FORM 990, PART VI, SECTION C, LINE 19: |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 4 | FORM 990, PART XII, LINE 2C: |
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| IRS990ScheduleR/AssetSaleToOtherOrgInd | 0 | false |
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| IRS990ScheduleR/GiftGrntCapContriFromOthOrgInd | 0 | false |
| IRS990ScheduleR/GiftGrntOrCapContriToOthOrgInd | 0 | false |
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| IRS990ScheduleR/IdRelatedTaxExemptOrgGrp/ControlledOrganizationInd | 1 | false |
| IRS990ScheduleR/IdRelatedTaxExemptOrgGrp/ControlledOrganizationInd | 2 | false |
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| IRS990ScheduleR/IdRelatedTaxExemptOrgGrp/DirectControllingEntityName/BusinessNameLine1Txt | 1 | NA |
| IRS990ScheduleR/IdRelatedTaxExemptOrgGrp/DirectControllingEntityName/BusinessNameLine1Txt | 2 | NA |
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| IRS990ScheduleR/IdRelatedTaxExemptOrgGrp/DisregardedEntityName/BusinessNameLine1Txt | 1 | MFOW SUPPLEMENTAL PENSION trust |
| IRS990ScheduleR/IdRelatedTaxExemptOrgGrp/DisregardedEntityName/BusinessNameLine1Txt | 2 | MFOW Welfare Fund |
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| IRS990ScheduleR/IdRelatedTaxExemptOrgGrp/EIN | 1 | 946201677 |
| IRS990ScheduleR/IdRelatedTaxExemptOrgGrp/EIN | 2 | 941254186 |
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| IRS990ScheduleR/IdRelatedTaxExemptOrgGrp/LegalDomicileStateCd | 1 | CA |
| IRS990ScheduleR/IdRelatedTaxExemptOrgGrp/LegalDomicileStateCd | 2 | CA |
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| IRS990ScheduleR/IdRelatedTaxExemptOrgGrp/PrimaryActivitiesTxt | 1 | PENSION |
| IRS990ScheduleR/IdRelatedTaxExemptOrgGrp/PrimaryActivitiesTxt | 2 | WELFARE |
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| IRS990ScheduleR/IdRelatedTaxExemptOrgGrp/PublicCharityStatusTxt | 1 | N/A |
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| IRS990ScheduleR/IdRelatedTaxExemptOrgGrp/USAddress/AddressLine1Txt | 1 | 221 MAIN STREET SUITE 250 |
| IRS990ScheduleR/IdRelatedTaxExemptOrgGrp/USAddress/AddressLine1Txt | 2 | 240 SECOND STREET |
| IRS990ScheduleR/IdRelatedTaxExemptOrgGrp/USAddress/CityNm | 0 | SAN FRANCISCO |
| IRS990ScheduleR/IdRelatedTaxExemptOrgGrp/USAddress/CityNm | 1 | SAN FRANCISCO |
| IRS990ScheduleR/IdRelatedTaxExemptOrgGrp/USAddress/CityNm | 2 | SAN FRANCISCO |
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| IRS990ScheduleR/IdRelatedTaxExemptOrgGrp/USAddress/StateAbbreviationCd | 1 | CA |
| IRS990ScheduleR/IdRelatedTaxExemptOrgGrp/USAddress/StateAbbreviationCd | 2 | CA |
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| IRS990ScheduleR/IdRelatedTaxExemptOrgGrp/USAddress/ZIPCd | 1 | 94105 |
| IRS990ScheduleR/IdRelatedTaxExemptOrgGrp/USAddress/ZIPCd | 2 | 94105 |
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| IRS990ScheduleR/RentalOfFcltsFromOthOrgInd | 0 | false |
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| IRS990/SignificantChangeInd | 0 | false |
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| IRS990/SubjectToExcsTaxNetInvstIncInd | 0 | false |
| IRS990/SubjectToProxyTaxInd | 0 | false |
| IRS990/SubjToTaxRmnrtnExPrchtPymtInd | 0 | false |
| IRS990/TaxablePartyNotificationInd | 0 | false |
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| IRS990/TaxExemptBondLiabilitiesGrp/EOYAmt | 0 | 0 |
| IRS990/TaxExemptBondsInd | 0 | false |
| IRS990/TerminateOperationsInd | 0 | false |
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| IRS990/TotalAssetsGrp/EOYAmt | 0 | 143700 |
| IRS990/TotalCompGreaterThan150KInd | 0 | false |
| IRS990/TotalContributionsAmt | 0 | 0 |
| IRS990/TotalEmployeeCnt | 0 | 0 |
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| IRS990/TotalNetAssetsFundBalanceGrp/BOYAmt | 0 | 143700 |
| IRS990/TotalNetAssetsFundBalanceGrp/EOYAmt | 0 | 143700 |
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| IRS990/TotalVolunteersCnt | 0 | 0 |
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| IRS990/TotLiabNetAssetsFundBalanceGrp/EOYAmt | 0 | 143700 |
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| IRS990/TravelGrp/TotalAmt | 0 | 0 |
| IRS990/TypeOfOrganizationTrustInd | 0 | X |
| IRS990/UnrelatedBusIncmOverLimitInd | 0 | false |
| IRS990/UnsecuredNotesLoansPayableGrp/BOYAmt | 0 | 0 |
| IRS990/UnsecuredNotesLoansPayableGrp/EOYAmt | 0 | 0 |
| IRS990/UponRequestInd | 0 | X |
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| IRS990/USAddress/CityNm | 0 | SAN FRANCISCO |
| IRS990/USAddress/StateAbbreviationCd | 0 | CA |
| IRS990/USAddress/ZIPCd | 0 | 941053129 |
| IRS990/VotingMembersGoverningBodyCnt | 0 | 4 |
| IRS990/VotingMembersIndependentCnt | 0 | 4 |
| IRS990/WebsiteAddressTxt | 0 | N/A |
| IRS990/WhistleblowerPolicyInd | 0 | true |
| ReturnHeader/BuildTS | 0 | 2025-03-06 01:10:19Z |
| ReturnHeader/BusinessOfficerGrp/DiscussWithPaidPreparerInd | 0 | true |
| ReturnHeader/BusinessOfficerGrp/PersonNm | 0 | Anthony Poplawski |
| ReturnHeader/BusinessOfficerGrp/PersonTitleTxt | 0 | TRUSTEE |
| ReturnHeader/BusinessOfficerGrp/PhoneNum | 0 | 4153624592 |
| ReturnHeader/BusinessOfficerGrp/SignatureDt | 0 | 2025-11-10 |
| ReturnHeader/Filer/BusinessName/BusinessNameLine1Txt | 0 | MFU JOINT EMPLOYMENT COMMITTEE TRUST |
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