SAN DIEGO MODEL RAILROAD MUSEUM INC: Form 990, tax year 2024

View the entire original 990 at ProPublica ↗

Organization: SAN DIEGO MODEL RAILROAD MUSEUM INC (EIN 95-3522268)
Tax period: 2024-07-01 to 2025-06-30
Filed: 2026-05-11
IRS object ID: 202641319349304019
Schema version: 2024v5.2
Source: Download XML · Original 990 at ProPublica

Every field in the e-filed return. Faint text is the IRS element name, for citing.

Return header
Form 990
Schedule A
Schedule B
Schedule D
Schedule O

Return header ReturnHeader

Field	Value	IRS element (for citing)
Return	2026-05-11T11:32:14-07:00	ReturnTs
Tax Period End	2025-06-30	TaxPeriodEndDt

Preparer Firm PreparerFirmGrp

Field	Value	IRS element (for citing)
Preparer Firm EIN	331005644	PreparerFirmEIN

Preparer Firm Name PreparerFirmName

Field	Value	IRS element (for citing)
Business Name Line1	Goodsell & Company Inc CPAs	BusinessNameLine1Txt

Preparer US Address PreparerUSAddress

Field	Value	IRS element (for citing)
Address Line1	2366 Front Street	AddressLine1Txt
City	San Diego	CityNm
State Abbreviation	CA	StateAbbreviationCd
ZIP	92101	ZIPCd

Field	Value	IRS element (for citing)
Return Type	990	ReturnTypeCd
Tax Period Begin	2024-07-01	TaxPeriodBeginDt

Filer Filer

Field	Value	IRS element (for citing)
EIN	953522268	EIN

Business Name BusinessName

Field	Value	IRS element (for citing)
Business Name Line1	SAN DIEGO MODEL RAILROAD MUSEUM INC	BusinessNameLine1Txt

Field	Value	IRS element (for citing)
Business Name Control	SAND	BusinessNameControlTxt
Phone	6193798868	PhoneNum

US Address USAddress

Field	Value	IRS element (for citing)
Address Line1	1649 EL PRADO	AddressLine1Txt
City	SAN DIEGO	CityNm
State Abbreviation	CA	StateAbbreviationCd
ZIP	92101	ZIPCd

Business Officer BusinessOfficerGrp

Field	Value	IRS element (for citing)
Person	MICHAEL WARBURTON	PersonNm
Person Title	Executive Director	PersonTitleTxt
Phone	6196960199	PhoneNum
Signature	2026-05-11	SignatureDt
Discuss With Paid Preparer	Yes (true)	DiscussWithPaidPreparerInd

Field	Value	IRS element (for citing)
IRS Responsible Prty Info Curr	Yes (true)	IRSResponsiblePrtyInfoCurrInd

Preparer Person PreparerPersonGrp

Field	Value	IRS element (for citing)
Preparer Person	KRYSTYNA S HOLC CPA	PreparerPersonNm
PTIN	P00235793	PTIN
Phone	6192384343	PhoneNum

Field	Value	IRS element (for citing)
Tax	2024	TaxYr
Build TS	2025-03-06 01:10:19Z	BuildTS

Form 990 IRS990

Field	Value	IRS element (for citing)
Principal Officer	MICHAEL WARBURTON	PrincipalOfficerNm
Gross Receipts	$1,371,687	GrossReceiptsAmt
Group Return For Affiliates	false	GroupReturnForAffiliatesInd
Organization501c3	Yes (X)	Organization501c3Ind
Website Address	WWW.SDMRM.ORG	WebsiteAddressTxt
Type Of Organization Corp	Yes (X)	TypeOfOrganizationCorpInd
Formation	1980	FormationYr
Legal Domicile State	CA	LegalDomicileStateCd
Activity Or Mission	TO RESEARCH, COLLECT, PRESERVE AND PRESENT THE HERITAGE OF AMERICAN RAILROADING USING EDUCATIONAL PROGRAMS, DISPLAYS, TOY TRAINS, AND SCALE MODELS OF CALIFORNIA RAILROADS.	ActivityOrMissionDesc
Voting Members Governing Body	17	VotingMembersGoverningBodyCnt
Voting Members Independent	16	VotingMembersIndependentCnt
Total Employee	40	TotalEmployeeCnt
Total Volunteers	325	TotalVolunteersCnt
Total Gross UBI	$0	TotalGrossUBIAmt
PY Contributions Grants	$208,508	PYContributionsGrantsAmt
CY Contributions Grants	$186,503	CYContributionsGrantsAmt
PY Program Service Revenue	$968,394	PYProgramServiceRevenueAmt
CY Program Service Revenue	$879,671	CYProgramServiceRevenueAmt
PY Investment Income	$31,505	PYInvestmentIncomeAmt
CY Investment Income	$130,285	CYInvestmentIncomeAmt
PY Other Revenue	$95,750	PYOtherRevenueAmt
CY Other Revenue	$175,228	CYOtherRevenueAmt
PY Total Revenue	$1,304,157	PYTotalRevenueAmt
CY Total Revenue	$1,371,687	CYTotalRevenueAmt
CY Grants And Similar Paid	$0	CYGrantsAndSimilarPaidAmt
CY Benefits Paid To Members	$0	CYBenefitsPaidToMembersAmt
PY Salaries Comp Emp Bnft Paid	$744,480	PYSalariesCompEmpBnftPaidAmt
CY Salaries Comp Emp Bnft Paid	$782,200	CYSalariesCompEmpBnftPaidAmt
CY Total Prof Fndrsng Expns	$0	CYTotalProfFndrsngExpnsAmt
CY Total Fundraising Expense	$84,086	CYTotalFundraisingExpenseAmt
PY Other Expenses	$474,335	PYOtherExpensesAmt
CY Other Expenses	$522,706	CYOtherExpensesAmt
PY Total Expenses	$1,218,815	PYTotalExpensesAmt
CY Total Expenses	$1,304,906	CYTotalExpensesAmt
PY Revenues Less Expenses	$85,342	PYRevenuesLessExpensesAmt
CY Revenues Less Expenses	$66,781	CYRevenuesLessExpensesAmt
Total Assets BOY	$1,975,995	TotalAssetsBOYAmt
Total Assets EOY	$2,027,828	TotalAssetsEOYAmt
Total Liabilities BOY	$276,663	TotalLiabilitiesBOYAmt
Total Liabilities EOY	$261,715	TotalLiabilitiesEOYAmt
Net Assets Or Fund Balances BOY	$1,699,332	NetAssetsOrFundBalancesBOYAmt
Net Assets Or Fund Balances EOY	$1,766,113	NetAssetsOrFundBalancesEOYAmt
Info In Schedule O Part III	Yes (X)	InfoInScheduleOPartIIIInd
Mission	TO RESEARCH, COLLECT, PRESERVE AND PRESENT THE HERITAGE OF AMERICAN RAILROADING USING EDUCATIONAL PROGRAMS, DISPLAYS, TOY TRAINS, AND SCALE MODELS OF CALIFORNIA RAILROADS.	MissionDesc
Significant New Program Srvc	false	SignificantNewProgramSrvcInd
Significant Change	false	SignificantChangeInd
Expense	$509,083	ExpenseAmt
Revenue	$784,285	RevenueAmt
Desc	OUR MUSEUM IS OPEN TO THE PUBLIC SIX DAYS EACH WEEK AND IS STAFFED BY 300 PLUS VOLUNTEERS, 9 FULL-TIME STAFF AND 23 PART-TIME STAFF. THE MUSEUM IS THE ONLY MODEL RAILROAD MUSEUM IN THE U.S. THAT IS FULLY ACCREDITED BY THE AMERICAN ALLIANCE OF MUSEUMS. AT 27,000 SQUARE FEET OF EXHIBIT SPACE, IT IS THE LARGEST MUSEUM OF ITS TYPE IN NORTH AMERICA.	Desc

Prog Srvc Accom Acty2 ProgSrvcAccomActy2Grp

Field	Value	IRS element (for citing)
Expense	$247,921	ExpenseAmt
Revenue	$175,228	RevenueAmt
Desc	OUR MUSEUM STORE SELLS EDUCATIONAL MATERIAL, RAILROAD BOOKS, PUBLICATIONS AND OTHER RAILROAD MEMORABLIA.	Desc

Prog Srvc Accom Acty3 ProgSrvcAccomActy3Grp

Field	Value	IRS element (for citing)
Expense	$115,399	ExpenseAmt
Revenue	$41,222	RevenueAmt
Desc	OUR EDUCATIONAL DEPARTMENT WORKS WITH SCHOOL GROUPS AND OTHER ORGANIZATIONS TO TEACH CHILDREN ABOUT RAILROADS, THEIR IMPORTANCE TO OUR NATION, AND TO EDUCATE THEM ABOUT RAILROAD SAFETY. THE MUSEUM ALSO HAS A RESEARCH LIBRARY THAT HAS A LARGE COLLECTION OF RAILROAD RELATED BOOKS AND PUBLICATIONS THAT ARE AVAILABLE TO THE GENERAL PUBLIC AND MUSEUM MEMBERS.	Desc

Field	Value	IRS element (for citing)
Total Program Service Expenses	$872,403	TotalProgramServiceExpensesAmt
Described In Section501c3	Yes (true)	DescribedInSection501c3Ind
Schedule B Required	Yes (true)	ScheduleBRequiredInd
Political Campaign Acty	false	PoliticalCampaignActyInd
Lobbying Activities	false	LobbyingActivitiesInd
Subject To Proxy Tax	false	SubjectToProxyTaxInd
Donor Advised Fund	false	DonorAdvisedFundInd
Conservation Easements	false	ConservationEasementsInd
Collections Of Art	Yes (true)	CollectionsOfArtInd
Credit Counseling	false	CreditCounselingInd
Donor Rstr Or Quasi Endowments	false	DonorRstrOrQuasiEndowmentsInd
Report Land Building Equipment	Yes (true)	ReportLandBuildingEquipmentInd
Report Investments Other Sec	false	ReportInvestmentsOtherSecInd
Report Program Related Invst	false	ReportProgramRelatedInvstInd
Report Other Assets	false	ReportOtherAssetsInd
Report Other Liabilities	false	ReportOtherLiabilitiesInd
Include FIN48 Footnote	false	IncludeFIN48FootnoteInd
Independent Audit Fincl Stmt	false	IndependentAuditFinclStmtInd
Consolidated Audit Fincl Stmt	false	ConsolidatedAuditFinclStmtInd
School Operating	false	SchoolOperatingInd
Foreign Office	false	ForeignOfficeInd
Foreign Activities	false	ForeignActivitiesInd
More Than5000 K To Org	false	MoreThan5000KToOrgInd
More Than5000 K To Individuals	false	MoreThan5000KToIndividualsInd
Professional Fundraising	false	ProfessionalFundraisingInd
Fundraising Activities	false	FundraisingActivitiesInd
Gaming Activities	false	GamingActivitiesInd
Operate Hospital	false	OperateHospitalInd
Grants To Organizations	false	GrantsToOrganizationsInd
Grants To Individuals	false	GrantsToIndividualsInd
Schedule J Required	false	ScheduleJRequiredInd
Tax Exempt Bonds	false	TaxExemptBondsInd
Engaged In Excess Benefit Trans	false	EngagedInExcessBenefitTransInd
PY Excess Benefit Trans	false	PYExcessBenefitTransInd
Loan Outstanding	false	LoanOutstandingInd
Grant To Related Person	false	GrantToRelatedPersonInd
Business Rln With Org Mem	false	BusinessRlnWithOrgMemInd
Business Rln With Fam Mem	false	BusinessRlnWithFamMemInd
Business Rln With35 Ctrl Ent	false	BusinessRlnWith35CtrlEntInd
Deductible Non Cash Contri	false	DeductibleNonCashContriInd
Deductible Art Contribution	false	DeductibleArtContributionInd
Terminate Operations	false	TerminateOperationsInd
Partial Liquidation	false	PartialLiquidationInd
Disregarded Entity	false	DisregardedEntityInd
Related Entity	false	RelatedEntityInd
Related Organization Ctrl Ent	false	RelatedOrganizationCtrlEntInd
Trnsfr Exmpt Non Chrtbl Rltd Org	false	TrnsfrExmptNonChrtblRltdOrgInd
Activities Conducted Prtshp	false	ActivitiesConductedPrtshpInd
Schedule O Required	Yes (true)	ScheduleORequiredInd
IRP Document	4	IRPDocumentCnt
IRP Document W2 G	0	IRPDocumentW2GCnt
Backup Wthld Compliance	Yes (true)	BackupWthldComplianceInd
Employee	40	EmployeeCnt
Employment Tax Returns Filed	Yes (true)	EmploymentTaxReturnsFiledInd
Unrelated Bus Incm Over Limit	false	UnrelatedBusIncmOverLimitInd
Foreign Financial Account	false	ForeignFinancialAccountInd
Prohibited Tax Shelter Trans	false	ProhibitedTaxShelterTransInd
Taxable Party Notification	false	TaxablePartyNotificationInd
Nondeductible Contributions	false	NondeductibleContributionsInd
Quid Pro Quo Contributions	false	QuidProQuoContributionsInd
Form8282 Property Disposed Of	false	Form8282PropertyDisposedOfInd
Form8282 Filed	0	Form8282FiledCnt
Rcv Fnds To Pay Prsnl Bnft Cntrct	false	RcvFndsToPayPrsnlBnftCntrctInd
Pay Premiums Prsnl Bnft Cntrct	false	PayPremiumsPrsnlBnftCntrctInd
Form8899 Filedind	false	Form8899Filedind
Form1098 C Filed	false	Form1098CFiledInd
Indoor Tanning Services	false	IndoorTanningServicesInd
Subj To Tax Rmnrtn Ex Prcht Pymt	false	SubjToTaxRmnrtnExPrchtPymtInd
Subject To Excs Tax Net Invst Inc	false	SubjectToExcsTaxNetInvstIncInd
Info In Schedule O Part VI	Yes (X)	InfoInScheduleOPartVIInd
Governing Body Voting Members	17	GoverningBodyVotingMembersCnt
Independent Voting Member	16	IndependentVotingMemberCnt
Family Or Business Rln	false	FamilyOrBusinessRlnInd
Delegation Of Mgmt Duties	false	DelegationOfMgmtDutiesInd
Change To Org Documents	false	ChangeToOrgDocumentsInd
Material Diversion Or Misuse	false	MaterialDiversionOrMisuseInd
Members Or Stockholders	false	MembersOrStockholdersInd
Election Of Board Members	false	ElectionOfBoardMembersInd
Decisions Subject To Approva	false	DecisionsSubjectToApprovaInd
Minutes Of Governing Body	Yes (true)	MinutesOfGoverningBodyInd
Minutes Of Committees	Yes (true)	MinutesOfCommitteesInd
Officer Mailing Address	false	OfficerMailingAddressInd
Local Chapters	false	LocalChaptersInd
Form990 Provided To Gvrn Body	Yes (true)	Form990ProvidedToGvrnBodyInd
Conflict Of Interest Policy	Yes (true)	ConflictOfInterestPolicyInd
Annual Disclosure Covered Prsn	Yes (true)	AnnualDisclosureCoveredPrsnInd
Regular Monitoring Enfrc	Yes (true)	RegularMonitoringEnfrcInd
Whistleblower Policy	Yes (true)	WhistleblowerPolicyInd
Document Retention Policy	Yes (true)	DocumentRetentionPolicyInd
Compensation Process CEO	Yes (true)	CompensationProcessCEOInd
Compensation Process Other	Yes (true)	CompensationProcessOtherInd
Investment In Joint Venture	false	InvestmentInJointVentureInd
States Where Copy Of Return Is Fld	CA	StatesWhereCopyOfReturnIsFldCd
Other Website	Yes (X)	OtherWebsiteInd
Upon Request	Yes (X)	UponRequestInd

Books In Care Of Detail BooksInCareOfDetail

Field	Value	IRS element (for citing)
Person	DAVID WINTER	PersonNm
Phone	6193798868	PhoneNum

US Address USAddress

Field	Value	IRS element (for citing)
Address Line1	1649 EL PRADO	AddressLine1Txt
City	SAN DIEGO	CityNm
State Abbreviation	CA	StateAbbreviationCd
ZIP	921011662	ZIPCd

Form990 Part VII Section A Form990PartVIISectionAGrp (17 entries)

TitleTitleTxt	Average Hours Per WeekAverageHoursPerWeekRt	Average Hours Per Week Rltd OrgAverageHoursPerWeekRltdOrgRt	Individual Trustee Or DirectorIndividualTrusteeOrDirectorInd	OfficerOfficerInd	Reportable Comp From OrgReportableCompFromOrgAmt	Reportable Comp From Rltd OrgReportableCompFromRltdOrgAmt	Other CompensationOtherCompensationAmt
ANTHONY RIDENHOUR
Exec. DirECTOR	40.00	0.00	Yes (X)	Yes (X)	$41,464	$0	$0
TODD GEREB
Director	2.00	0.00	Yes (X)		$0	$0	$0
MARIA CASTILLO-CURRY
Director	2.00	0.00	Yes (X)		$0	$0	$0
DIANA HYATT
President	5.00	0.00	Yes (X)	Yes (X)	$0	$0	$0
GREG LUIZ
Director	2.00	0.00	Yes (X)		$0	$0	$0
DAVE WINTER
CFO	5.00	0.00	Yes (X)	Yes (X)	$0	$0	$0
RICK HATCHER
Director	2.00	0.00	Yes (X)		$0	$0	$0
STEVE PIERCE
Director	2.00	0.00	Yes (X)		$0	$0	$0
MARK MCCRAE
Director	2.00	0.00	Yes (X)		$0	$0	$0
CHERYL WAGGONER
Vice President	5.00	0.00	Yes (X)	Yes (X)	$0	$0	$0
ROGER LAFRANCE
Director	2.00	0.00	Yes (X)		$0	$0	$0
SCOTT MAASE
Director	2.00	0.00	Yes (X)		$0	$0	$0
MARCUS FERRILL
Director	2.00	0.00	Yes (X)		$0	$0	$0
ANDREA ZINKO
Secretary	5.00	0.00	Yes (X)	Yes (X)	$0	$0	$0
JOHN FISCELLA
Director	2.00	0.00	Yes (X)		$0	$0	$0
PETE JESPERSON
Director	2.00	0.00	Yes (X)		$0	$0	$0
CAROL WELSCH
Director	2.00	0.00	Yes (X)		$0	$0	$0

Field	Value	IRS element (for citing)
Total Reportable Comp From Org	$41,464	TotalReportableCompFromOrgAmt
Indiv Rcvd Greater Than100 K	0	IndivRcvdGreaterThan100KCnt
Former Ofcr Employees Listed	false	FormerOfcrEmployeesListedInd
Total Comp Greater Than150 K	false	TotalCompGreaterThan150KInd
Compensation From Other Srcs	false	CompensationFromOtherSrcsInd
Cntrct Rcvd Greater Than100 K	0	CntrctRcvdGreaterThan100KCnt
Fundraising	$13,639	FundraisingAmt
Government Grants	$76,106	GovernmentGrantsAmt
All Other Contributions	$96,758	AllOtherContributionsAmt
Total Contributions	$186,503	TotalContributionsAmt

Program Service Revenue ProgramServiceRevenueGrp (4 entries)

DescDesc	BusinessBusinessCd	Total Revenue ColumnTotalRevenueColumnAmt	Related Or Exempt Func IncomeRelatedOrExemptFuncIncomeAmt
ADMISSIONS	611710	$756,311	$756,311
EDUCATION PROGRAMS	611710	$41,222	$41,222
MEMBERSHIPS	611710	$31,051	$31,051
OTHER INCOME	611710	$51,087	$51,087

Field	Value	IRS element (for citing)
Total Program Service Revenue	$879,671	TotalProgramServiceRevenueAmt

Investment Income InvestmentIncomeGrp

Field	Value	IRS element (for citing)
Total Revenue Column	$130,285	TotalRevenueColumnAmt
Exclusion	$130,285	ExclusionAmt

Incm From Invest Bond Proceeds IncmFromInvestBondProceedsGrp

Field	Value	IRS element (for citing)
Total Revenue Column	$0	TotalRevenueColumnAmt

Royalties Revenue RoyaltiesRevenueGrp

Field	Value	IRS element (for citing)
Total Revenue Column	$0	TotalRevenueColumnAmt

Net Rental Income Or Loss NetRentalIncomeOrLossGrp

Field	Value	IRS element (for citing)
Total Revenue Column	$0	TotalRevenueColumnAmt

Net Gain Or Loss Investments NetGainOrLossInvestmentsGrp

Field	Value	IRS element (for citing)
Total Revenue Column	$0	TotalRevenueColumnAmt

Net Incm From Fundraising Evt NetIncmFromFundraisingEvtGrp

Field	Value	IRS element (for citing)
Total Revenue Column	$0	TotalRevenueColumnAmt

Net Income From Gaming NetIncomeFromGamingGrp

Field	Value	IRS element (for citing)
Total Revenue Column	$0	TotalRevenueColumnAmt

Field	Value	IRS element (for citing)
Gross Sales Of Inventory	$175,228	GrossSalesOfInventoryAmt

Net Income Or Loss NetIncomeOrLossGrp

Field	Value	IRS element (for citing)
Total Revenue Column	$175,228	TotalRevenueColumnAmt
Related Or Exempt Func Income	$175,228	RelatedOrExemptFuncIncomeAmt

Field	Value	IRS element (for citing)
Other Revenue Total	$0	OtherRevenueTotalAmt

Total Revenue TotalRevenueGrp

Field	Value	IRS element (for citing)
Total Revenue Column	$1,371,687	TotalRevenueColumnAmt
Related Or Exempt Func Income	$1,054,899	RelatedOrExemptFuncIncomeAmt
Exclusion	$130,285	ExclusionAmt

Grants To Domestic Orgs GrantsToDomesticOrgsGrp

Field	Value	IRS element (for citing)
Total	$0	TotalAmt

Grants To Domestic Individuals GrantsToDomesticIndividualsGrp

Field	Value	IRS element (for citing)
Total	$0	TotalAmt

Foreign Grants ForeignGrantsGrp

Field	Value	IRS element (for citing)
Total	$0	TotalAmt

Benefits To Members BenefitsToMembersGrp

Field	Value	IRS element (for citing)
Total	$0	TotalAmt

Comp Current Ofcr Directors CompCurrentOfcrDirectorsGrp

Field	Value	IRS element (for citing)
Total	$41,464	TotalAmt
Management And General	$41,464	ManagementAndGeneralAmt

Comp Disqual Persons CompDisqualPersonsGrp

Field	Value	IRS element (for citing)
Total	$0	TotalAmt

Other Salaries And Wages OtherSalariesAndWagesGrp

Field	Value	IRS element (for citing)
Total	$627,156	TotalAmt
Program Services	$418,483	ProgramServicesAmt
Management And General	$142,139	ManagementAndGeneralAmt
Fundraising	$66,534	FundraisingAmt

Pension Plan Contributions PensionPlanContributionsGrp

Field	Value	IRS element (for citing)
Total	$0	TotalAmt

Other Employee Benefits OtherEmployeeBenefitsGrp

Field	Value	IRS element (for citing)
Total	$113,580	TotalAmt
Program Services	$71,555	ProgramServicesAmt
Management And General	$30,667	ManagementAndGeneralAmt
Fundraising	$11,358	FundraisingAmt

Payroll Taxes PayrollTaxesGrp

Field	Value	IRS element (for citing)
Total	$0	TotalAmt

Fees For Services Management FeesForServicesManagementGrp

Field	Value	IRS element (for citing)
Total	$0	TotalAmt

Fees For Services Legal FeesForServicesLegalGrp

Field	Value	IRS element (for citing)
Total	$0	TotalAmt

Fees For Services Accounting FeesForServicesAccountingGrp

Field	Value	IRS element (for citing)
Total	$0	TotalAmt

Fees For Services Lobbying FeesForServicesLobbyingGrp

Field	Value	IRS element (for citing)
Total	$0	TotalAmt

Fees For Services Prof Fundraising FeesForServicesProfFundraising

Field	Value	IRS element (for citing)
Total	$0	TotalAmt

Fees For Srvc Invst Mgmnt Fees FeesForSrvcInvstMgmntFeesGrp

Field	Value	IRS element (for citing)
Total	$0	TotalAmt

Fees For Services Other FeesForServicesOtherGrp

Field	Value	IRS element (for citing)
Total	$0	TotalAmt

Advertising AdvertisingGrp

Field	Value	IRS element (for citing)
Total	$20,321	TotalAmt
Program Services	$20,321	ProgramServicesAmt

Office Expenses OfficeExpensesGrp

Field	Value	IRS element (for citing)
Total	$0	TotalAmt

Information Technology InformationTechnologyGrp

Field	Value	IRS element (for citing)
Total	$0	TotalAmt

Royalties RoyaltiesGrp

Field	Value	IRS element (for citing)
Total	$0	TotalAmt

Occupancy OccupancyGrp

Field	Value	IRS element (for citing)
Total	$125,426	TotalAmt
Program Services	$125,426	ProgramServicesAmt

Travel TravelGrp

Field	Value	IRS element (for citing)
Total	$1,698	TotalAmt
Management And General	$1,698	ManagementAndGeneralAmt

Pymt Travel Entrtnmnt Pub Ofcl PymtTravelEntrtnmntPubOfclGrp

Field	Value	IRS element (for citing)
Total	$0	TotalAmt

Conferences Meetings ConferencesMeetingsGrp

Field	Value	IRS element (for citing)
Total	$0	TotalAmt

Interest InterestGrp

Field	Value	IRS element (for citing)
Total	$6,008	TotalAmt
Management And General	$6,008	ManagementAndGeneralAmt

Payments To Affiliates PaymentsToAffiliatesGrp

Field	Value	IRS element (for citing)
Total	$0	TotalAmt

Depreciation Depletion DepreciationDepletionGrp

Field	Value	IRS element (for citing)
Total	$48,050	TotalAmt
Program Services	$48,050	ProgramServicesAmt

Insurance InsuranceGrp

Field	Value	IRS element (for citing)
Total	$0	TotalAmt

Other Expenses OtherExpensesGrp (4 entries)

DescDesc	TotalTotalAmt	Management And GeneralManagementAndGeneralAmt	Program ServicesProgramServicesAmt
PROFESSIONAL SERVICES	$92,697	$92,697
COST OF GOODS SOLD	$71,282		$71,282
BANK FEES	$29,739		$29,739
EXHIBITS	$21,171		$21,171

All Other Expenses AllOtherExpensesGrp

Field	Value	IRS element (for citing)
Total	$106,314	TotalAmt
Program Services	$66,376	ProgramServicesAmt
Management And General	$33,744	ManagementAndGeneralAmt
Fundraising	$6,194	FundraisingAmt

Total Functional Expenses TotalFunctionalExpensesGrp

Field	Value	IRS element (for citing)
Total	$1,304,906	TotalAmt
Program Services	$872,403	ProgramServicesAmt
Management And General	$348,417	ManagementAndGeneralAmt
Fundraising	$84,086	FundraisingAmt

Cash Non Interest Bearing CashNonInterestBearingGrp

Field	Value	IRS element (for citing)
BOY	$139,720	BOYAmt
EOY	$90,228	EOYAmt

Savings And Temp Cash Invst SavingsAndTempCashInvstGrp

Field	Value	IRS element (for citing)
BOY	$124,803	BOYAmt
EOY	$140,687	EOYAmt

Pledges And Grants Receivable PledgesAndGrantsReceivableGrp

Field	Value	IRS element (for citing)
BOY	$40,416	BOYAmt
EOY	$11,416	EOYAmt

Accounts Receivable AccountsReceivableGrp

Field	Value	IRS element (for citing)
EOY	$0	EOYAmt

Receivables From Officers Etc ReceivablesFromOfficersEtcGrp

Field	Value	IRS element (for citing)
EOY	$0	EOYAmt

Rcvbl From Disqualified Prsn RcvblFromDisqualifiedPrsnGrp

Field	Value	IRS element (for citing)
EOY	$0	EOYAmt

Oth Notes Loans Receivable Net OthNotesLoansReceivableNetGrp

Field	Value	IRS element (for citing)
EOY	$0	EOYAmt

Inventories For Sale Or Use InventoriesForSaleOrUseGrp

Field	Value	IRS element (for citing)
BOY	$25,490	BOYAmt
EOY	$25,584	EOYAmt

Prepaid Expenses Defrd Charges PrepaidExpensesDefrdChargesGrp

Field	Value	IRS element (for citing)
BOY	$10,630	BOYAmt
EOY	$24,668	EOYAmt

Field	Value	IRS element (for citing)
Land Bldg Equip Cost Or Other Bss	$1,713,108	LandBldgEquipCostOrOtherBssAmt
Land Bldg Equip Accum Deprec	$1,167,321	LandBldgEquipAccumDeprecAmt

Land Bldg Equip Basis Net LandBldgEquipBasisNetGrp

Field	Value	IRS element (for citing)
BOY	$564,350	BOYAmt
EOY	$545,787	EOYAmt

Investments Pub Traded Sec InvestmentsPubTradedSecGrp

Field	Value	IRS element (for citing)
BOY	$1,070,585	BOYAmt
EOY	$1,189,457	EOYAmt

Investments Other Securities InvestmentsOtherSecuritiesGrp

Field	Value	IRS element (for citing)
EOY	$0	EOYAmt

Investments Program Related InvestmentsProgramRelatedGrp

Field	Value	IRS element (for citing)
EOY	$0	EOYAmt

Intangible Assets IntangibleAssetsGrp

Field	Value	IRS element (for citing)
EOY	$0	EOYAmt

Other Assets Total OtherAssetsTotalGrp

Field	Value	IRS element (for citing)
BOY	$1	BOYAmt
EOY	$1	EOYAmt

Total Assets TotalAssetsGrp

Field	Value	IRS element (for citing)
BOY	$1,975,995	BOYAmt
EOY	$2,027,828	EOYAmt

Accounts Payable Accr Expnss AccountsPayableAccrExpnssGrp

Field	Value	IRS element (for citing)
BOY	$108,368	BOYAmt
EOY	$98,140	EOYAmt

Deferred Revenue DeferredRevenueGrp

Field	Value	IRS element (for citing)
BOY	$18,295	BOYAmt
EOY	$14,618	EOYAmt

Unsecured Notes Loans Payable UnsecuredNotesLoansPayableGrp

Field	Value	IRS element (for citing)
BOY	$150,000	BOYAmt
EOY	$148,957	EOYAmt

Total Liabilities TotalLiabilitiesGrp

Field	Value	IRS element (for citing)
BOY	$276,663	BOYAmt
EOY	$261,715	EOYAmt

Field	Value	IRS element (for citing)
Organization Follows FASB117	Yes (X)	OrganizationFollowsFASB117Ind

No Donor Restriction Net Assets NoDonorRestrictionNetAssetsGrp

Field	Value	IRS element (for citing)
BOY	$1,661,808	BOYAmt
EOY	$1,607,278	EOYAmt

Donor Restriction Net Assets DonorRestrictionNetAssetsGrp

Field	Value	IRS element (for citing)
BOY	$37,524	BOYAmt
EOY	$158,835	EOYAmt

Total Net Assets Fund Balance TotalNetAssetsFundBalanceGrp

Field	Value	IRS element (for citing)
BOY	$1,699,332	BOYAmt
EOY	$1,766,113	EOYAmt

Tot Liab Net Assets Fund Balance TotLiabNetAssetsFundBalanceGrp

Field	Value	IRS element (for citing)
BOY	$1,975,995	BOYAmt
EOY	$2,027,828	EOYAmt

Field	Value	IRS element (for citing)
Reconcilation Revenue Expnss	$66,781	ReconcilationRevenueExpnssAmt
Method Of Accounting Accrual	Yes (X)	MethodOfAccountingAccrualInd
Accountant Compile Or Review	Yes (true)	AccountantCompileOrReviewInd

Acct Compile Or Review Basis AcctCompileOrReviewBasisGrp

Field	Value	IRS element (for citing)
Separate Basis Fincl Stmt	Yes (X)	SeparateBasisFinclStmtInd

Field	Value	IRS element (for citing)
FS Audited	false	FSAuditedInd
Audit Committee	false	AuditCommitteeInd
Federal Grant Audit Required	false	FederalGrantAuditRequiredInd

Schedule A IRS990ScheduleA

Field	Value	IRS element (for citing)
Public Organization170	Yes (X)	PublicOrganization170Ind

Gifts Grants Contri Rcvd170 GiftsGrantsContriRcvd170Grp

Field	Value	IRS element (for citing)
Current Tax Year Minus4 Years	$406,242	CurrentTaxYearMinus4YearsAmt
Current Tax Year Minus3 Years	$732,437	CurrentTaxYearMinus3YearsAmt
Current Tax Year Minus2 Years	$166,645	CurrentTaxYearMinus2YearsAmt
Current Tax Year Minus1 Year	$208,508	CurrentTaxYearMinus1YearAmt
Current Tax Year	$172,864	CurrentTaxYearAmt
Total	$1,686,696	TotalAmt

Tax Rev Levied Orgnztnl Bnft170 TaxRevLeviedOrgnztnlBnft170Grp

Field	Value	IRS element (for citing)
Total	$0	TotalAmt

Govt Furn Srvc Fclts Vl170 GovtFurnSrvcFcltsVl170Grp

Field	Value	IRS element (for citing)
Total	$0	TotalAmt

Total Calendar Year170 TotalCalendarYear170Grp

Field	Value	IRS element (for citing)
Current Tax Year Minus4 Years	$406,242	CurrentTaxYearMinus4YearsAmt
Current Tax Year Minus3 Years	$732,437	CurrentTaxYearMinus3YearsAmt
Current Tax Year Minus2 Years	$166,645	CurrentTaxYearMinus2YearsAmt
Current Tax Year Minus1 Year	$208,508	CurrentTaxYearMinus1YearAmt
Current Tax Year	$172,864	CurrentTaxYearAmt
Total	$1,686,696	TotalAmt

Field	Value	IRS element (for citing)
Substantial Contributors Tot	$0	SubstantialContributorsTotAmt
Public Support Total170	$1,686,696	PublicSupportTotal170Amt

Gross Investment Income170 GrossInvestmentIncome170Grp

Field	Value	IRS element (for citing)
Current Tax Year Minus4 Years	$19,201	CurrentTaxYearMinus4YearsAmt
Current Tax Year Minus3 Years	$31,968	CurrentTaxYearMinus3YearsAmt
Current Tax Year Minus2 Years	$8,187	CurrentTaxYearMinus2YearsAmt
Current Tax Year Minus1 Year	$31,505	CurrentTaxYearMinus1YearAmt
Current Tax Year	$24,444	CurrentTaxYearAmt
Total	$115,305	TotalAmt

Unrelated Business Net Incm170 UnrelatedBusinessNetIncm170Grp

Field	Value	IRS element (for citing)
Total	$0	TotalAmt

Other Income170 OtherIncome170Grp

Field	Value	IRS element (for citing)
Current Tax Year Minus4 Years	$18,669	CurrentTaxYearMinus4YearsAmt
Current Tax Year Minus3 Years	$61,197	CurrentTaxYearMinus3YearsAmt
Current Tax Year Minus2 Years	$90,977	CurrentTaxYearMinus2YearsAmt
Current Tax Year Minus1 Year	$91,745	CurrentTaxYearMinus1YearAmt
Current Tax Year	$51,087	CurrentTaxYearAmt
Total	$313,675	TotalAmt

Field	Value	IRS element (for citing)
Total Support	$2,115,676	TotalSupportAmt
Public Support CY170	0.79720	PublicSupportCY170Pct
Public Support PY170	0.76180	PublicSupportPY170Pct
Thirty Thr Pct Suprt Tests CY170	Yes (X)	ThirtyThrPctSuprtTestsCY170Ind

Schedule B IRS990ScheduleB

Contributor Information ContributorInformationGrp

Field	Value	IRS element (for citing)
Contributor	RESTRICTED	ContributorNum

Contributor Business Name ContributorBusinessName

Field	Value	IRS element (for citing)
Business Name Line1	RESTRICTED	BusinessNameLine1

Contributor US Address ContributorUSAddress

Field	Value	IRS element (for citing)
Address Line1	RESTRICTED	AddressLine1
Address Line2	RESTRICTED	AddressLine2
City	RESTRICTED	City
State	RESTRICTED	State
ZIP Code	RESTRICTED	ZIPCode

Field	Value	IRS element (for citing)
Total Contributions	RESTRICTED	TotalContributionsAmt

Schedule D IRS990ScheduleD

Field	Value	IRS element (for citing)
Collection Used Pub Exhibition	Yes (X)	CollectionUsedPubExhibitionInd
Coll Used Scholarly Rsrch	Yes (X)	CollUsedScholarlyRsrchInd
Collection Used Preservation	Yes (X)	CollectionUsedPreservationInd
Coll Used Loan Or Exch Prog	Yes (X)	CollUsedLoanOrExchProgInd
Solicited Assets Sale	false	SolicitedAssetsSaleInd

Leasehold Improvements LeaseholdImprovementsGrp

Field	Value	IRS element (for citing)
Other Cost Or Other Basis	$819,318	OtherCostOrOtherBasisAmt
Depreciation	$461,095	DepreciationAmt
Book Value	$358,223	BookValueAmt

Equipment EquipmentGrp

Field	Value	IRS element (for citing)
Other Cost Or Other Basis	$119,411	OtherCostOrOtherBasisAmt
Depreciation	$79,470	DepreciationAmt
Book Value	$39,941	BookValueAmt

Other Land Buildings OtherLandBuildingsGrp

Field	Value	IRS element (for citing)
Other Cost Or Other Basis	$774,379	OtherCostOrOtherBasisAmt
Depreciation	$626,756	DepreciationAmt
Book Value	$147,623	BookValueAmt

Field	Value	IRS element (for citing)
Total Book Value Land Buildings	$545,787	TotalBookValueLandBuildingsAmt

Supplemental Information Detail SupplementalInformationDetail (2 entries)

Form And Line ReferenceFormAndLineReferenceDesc

ExplanationExplanationTxt

Part III, Line 1a: If organization elected under SFAS 116 to not report are, historical treasures, o

THE MUSEUM KEEPS AND MAINTAINS THESE ITEMS OF HISTORICAL SIGNIFICANCE FOR USE IN EXHIBITS AND DISPLAYS. THE COLLECTIONS MAINTAINED BY THE MUSEUM INCLUDE MODEL TRAINS, RAILROAD-RELATED DISPLAY PIECES AND HISTORICAL ITEMS WHICH OFFER AN ENRICHED EXPERIENCE TO THE MUSEUM PATRONS. THE MUSEUM'S COLLECTIONS ARE EXPENSED WHEN ACQUIRED. IN ACCORDANCE WITH THE PRACTICE GENERALLY FOLLOWED BY MUSEUMS, THE VALUE OF THE COLLECTIONS HOUSED BY THE MUSEUM ARE EXCLUDED FROM THE FINANCIAL STATEMENTS AND ARE REFLECTED ON THE STATEMENTS OF FINANCIAL POSITION AT THE NOMINAL VALUE OF $1 AS THERE IS NO OBJECTIVE BASIS FOR ESTABLISHING VALUE. CONTRIBUTED COLLECTIONS ARE NOT REFLECTED IN THE FINANCIAL STATEMENTS. THERE WERE NO PROCEEDS FROM DEACCESSIONS DURNG THE YEAR ENDED JUNE 30, 2025.

Part III, Line 4: Description of organization's collections and how it furthers its purpose.

THE MUSEUM MAINTAINS A PRICELESS COLLECTION OF MODEL TRAINS, BOOKS, PUBLICATIONS AND OTHER ARTIFACTS TO PRESERVE AND EDUCATE THE PUBLIC ABOUT THE HERITAGE OF AMERICAN RAILROADING AND MODEL RAILROADING AND ITS IMPORTANCE TO OUR NATION.

Schedule O IRS990ScheduleO

Supplemental Information Detail SupplementalInformationDetail (5 entries)

Form And Line ReferenceFormAndLineReferenceDesc	ExplanationExplanationTxt
Form 990, Part VI, Section B, Line 11b	THE TREASURER REVIEWS THE RETURN AND PRESENTS IT TO THE BOARD PRIOR TO FILING.
Form 990, Part VI, Section B, Line 12c	AT THE BEGINNING OF A NEW FISCAL YEAR THE BOARD OF DIRECTORS REVIEWS THE CONFLICT OF INTEREST POLICY AND DISCLOSES ANY POTENTIAL CONFLICTS AT THAT TIME. THROUGHOUT THE YEAR WHEN THERE IS A CHANGE IN MAJOR VENDORS, BOARD MEMBERS, OR EMPLOYEES THE CONFLICT OF INTEREST POLICY IS REVISITED TO ENSURE THERE ARE NO NEW CONFLICTS.
Form 990, Part VI, Section B, Line 15a	THE BOARD REVIEWS THE EXECUTIVE DIRECTOR'S COMPENSATION PACKAGE ANNUALLY AND USES RESOURCES PROVIDED BY THE AMERICAN ALLIANCE OF MUSEUMS TO PROVIDE COMPARISONS OF COMPENSATION PAID FOR INDIVIDUALS IN SIMILAR POSITIONS AT OTHER MUSEUMS.
Form 990, Part VI, Section C, Line 19	DOCUMENTS ARE AVAILABLE TO THE PUBLIC ON OTHER ORGANIZATION'S WEBSITES. THE REQUIRED ORGANIZATIONAL DOCUMENTS AND FORM 990 ARE ALSO AVAILABLE (FOR INSPECTION AND COPYING) AT THE ORGANIZATION'S MAIN OFFICE DURING NORMAL BUSINESS HOURS AT NO CHARGE.
FORM 990, PART III, LINE 4D - OTHER PROGRAM SERVICES DESCRIPTION	THE MUSEUM LIBRARY HAS AN EXTENSIVE REFERENCE COLLECTION OF BOOKS, MAGAZINES AND PHOTOGRAPHS RELATED TO BOTH PROTOTYPE AND MODEL RAILROADING. IT ALSO HAS SIZEABLE COLLECTION OF RAILROAD TIMETABLES AND RAILROAD BROCHURES DATING FROM 1983.