ROSEMOUNT MUSEUM: Form 990, tax year 2024

View the entire original 990 at ProPublica ↗

Organization: ROSEMOUNT MUSEUM (EIN 84-6050423)
Tax period: 2024-05-01 to 2025-04-30
Filed: 2026-03-13
IRS object ID: 202620729349301877
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 G
Schedule O

Return header ReturnHeader

Field	Value	IRS element (for citing)
Return	2026-03-13T18:21:08-04:00	ReturnTs
Tax Period End	2025-04-30	TaxPeriodEndDt

Preparer Firm PreparerFirmGrp

Preparer Firm Name PreparerFirmName

Field	Value	IRS element (for citing)
Business Name Line1	Sorren Inc	BusinessNameLine1Txt

Preparer US Address PreparerUSAddress

Field	Value	IRS element (for citing)
Address Line1	90 S CASCADE AVENUE SUITE 700	AddressLine1Txt
City	COLORADO SPRINGS	CityNm
State Abbreviation	CO	StateAbbreviationCd
ZIP	80903	ZIPCd

Field	Value	IRS element (for citing)
Return Type	990	ReturnTypeCd
Tax Period Begin	2024-05-01	TaxPeriodBeginDt

Filer Filer

Field	Value	IRS element (for citing)
EIN	846050423	EIN

Business Name BusinessName

Field	Value	IRS element (for citing)
Business Name Line1	ROSEMOUNT MUSEUM INC	BusinessNameLine1Txt

Field	Value	IRS element (for citing)
In Care Of	% DEBORA A DARROW	InCareOfNm
Business Name Control	ROSE	BusinessNameControlTxt
Phone	7195455290	PhoneNum

US Address USAddress

Field	Value	IRS element (for citing)
Address Line1	419 W 14th ST	AddressLine1Txt
City	Pueblo	CityNm
State Abbreviation	CO	StateAbbreviationCd
ZIP	81003	ZIPCd

Business Officer BusinessOfficerGrp

Field	Value	IRS element (for citing)
Person	Debora Darrow	PersonNm
Person Title	Executive Director	PersonTitleTxt
Phone	7195455290	PhoneNum
Signature	2026-03-16	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	Kimberly N Coleman	PreparerPersonNm
PTIN	P00967133	PTIN
Phone	7196301186	PhoneNum
Preparation	2026-03-16	PreparationDt

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	Debora Darrow	PrincipalOfficerNm

US Address USAddress

Field	Value	IRS element (for citing)
Address Line1	419 W 14th ST	AddressLine1Txt
City	Pueblo	CityNm
State Abbreviation	CO	StateAbbreviationCd
ZIP	81003	ZIPCd

Field	Value	IRS element (for citing)
Gross Receipts	$933,503	GrossReceiptsAmt
Group Return For Affiliates	false	GroupReturnForAffiliatesInd
Organization501c3	Yes (X)	Organization501c3Ind
Website Address	http://www.rosemount.org	WebsiteAddressTxt
Type Of Organization Corp	Yes (X)	TypeOfOrganizationCorpInd
Formation	1967	FormationYr
Activity Or Mission	Historical Museum	ActivityOrMissionDesc
Voting Members Governing Body	15	VotingMembersGoverningBodyCnt
Voting Members Independent	15	VotingMembersIndependentCnt
Total Employee	10	TotalEmployeeCnt
Total Volunteers	173	TotalVolunteersCnt
Total Gross UBI	$0	TotalGrossUBIAmt
PY Contributions Grants	$303,754	PYContributionsGrantsAmt
CY Contributions Grants	$318,137	CYContributionsGrantsAmt
PY Program Service Revenue	$33,340	PYProgramServiceRevenueAmt
CY Program Service Revenue	$26,374	CYProgramServiceRevenueAmt
PY Investment Income	$203,176	PYInvestmentIncomeAmt
CY Investment Income	$408,766	CYInvestmentIncomeAmt
PY Other Revenue	$11,096	PYOtherRevenueAmt
CY Other Revenue	$70,913	CYOtherRevenueAmt
PY Total Revenue	$551,366	PYTotalRevenueAmt
CY Total Revenue	$824,190	CYTotalRevenueAmt
PY Grants And Similar Paid	$0	PYGrantsAndSimilarPaidAmt
CY Grants And Similar Paid	$0	CYGrantsAndSimilarPaidAmt
PY Benefits Paid To Members	$0	PYBenefitsPaidToMembersAmt
CY Benefits Paid To Members	$0	CYBenefitsPaidToMembersAmt
PY Salaries Comp Emp Bnft Paid	$306,674	PYSalariesCompEmpBnftPaidAmt
CY Salaries Comp Emp Bnft Paid	$328,508	CYSalariesCompEmpBnftPaidAmt
PY Total Prof Fndrsng Expns	$0	PYTotalProfFndrsngExpnsAmt
CY Total Prof Fndrsng Expns	$0	CYTotalProfFndrsngExpnsAmt
CY Total Fundraising Expense	$19,021	CYTotalFundraisingExpenseAmt
PY Other Expenses	$189,596	PYOtherExpensesAmt
CY Other Expenses	$221,148	CYOtherExpensesAmt
PY Total Expenses	$496,270	PYTotalExpensesAmt
CY Total Expenses	$549,656	CYTotalExpensesAmt
PY Revenues Less Expenses	$55,096	PYRevenuesLessExpensesAmt
CY Revenues Less Expenses	$274,534	CYRevenuesLessExpensesAmt
Total Assets BOY	$5,884,453	TotalAssetsBOYAmt
Total Assets EOY	$6,156,774	TotalAssetsEOYAmt
Total Liabilities BOY	$33,297	TotalLiabilitiesBOYAmt
Total Liabilities EOY	$35,648	TotalLiabilitiesEOYAmt
Net Assets Or Fund Balances BOY	$5,851,156	NetAssetsOrFundBalancesBOYAmt
Net Assets Or Fund Balances EOY	$6,121,126	NetAssetsOrFundBalancesEOYAmt
Mission	Preservation and exhibition of victorian era mansion and its historic and aesthetic furnishings and artifacts. Programs include education, curatorial and renovation.	MissionDesc
Significant New Program Srvc	false	SignificantNewProgramSrvcInd
Significant Change	false	SignificantChangeInd
Expense	$299,020	ExpenseAmt
Revenue	$95,864	RevenueAmt
Desc	Preservation and exhibition of victorian era mansion and its historic and aesthetic furnishings and artifacts. Programs include education, curatorial and renovation.	Desc
Total Program Service Expenses	$299,020	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	Yes (true)	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	Yes (true)	IncludeFIN48FootnoteInd
Independent Audit Fincl Stmt	Yes (true)	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	Yes (true)	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
Activities Conducted Prtshp	false	ActivitiesConductedPrtshpInd
Schedule O Required	Yes (true)	ScheduleORequiredInd
IRP Document	0	IRPDocumentCnt
IRP Document W2 G	0	IRPDocumentW2GCnt
Employee	10	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
Rcv Fnds To Pay Prsnl Bnft Cntrct	false	RcvFndsToPayPrsnlBnftCntrctInd
Pay Premiums Prsnl Bnft Cntrct	false	PayPremiumsPrsnlBnftCntrctInd
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	15	GoverningBodyVotingMembersCnt
Independent Voting Member	15	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	Yes (true)	MembersOrStockholdersInd
Election Of Board Members	Yes (true)	ElectionOfBoardMembersInd
Decisions Subject To Approva	Yes (true)	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	false	WhistleblowerPolicyInd
Document Retention Policy	Yes (true)	DocumentRetentionPolicyInd
Compensation Process CEO	Yes (true)	CompensationProcessCEOInd
Investment In Joint Venture	false	InvestmentInJointVentureInd
States Where Copy Of Return Is Fld	CO	StatesWhereCopyOfReturnIsFldCd
Upon Request	Yes (X)	UponRequestInd

Books In Care Of Detail BooksInCareOfDetail

Field	Value	IRS element (for citing)
Person	DEBORA A DARROW	PersonNm
Phone	7195455290	PhoneNum

US Address USAddress

Field	Value	IRS element (for citing)
Address Line1	419 W 14TH STREET	AddressLine1Txt
City	PUEBLO	CityNm
State Abbreviation	CO	StateAbbreviationCd
ZIP	81003	ZIPCd

Form990 Part VII Section A Form990PartVIISectionAGrp (16 entries)

TitleTitleTxt	Average Hours Per WeekAverageHoursPerWeekRt	Average Hours Per Week Rltd OrgAverageHoursPerWeekRltdOrgRt	OfficerOfficerInd	Reportable Comp From OrgReportableCompFromOrgAmt	Reportable Comp From Rltd OrgReportableCompFromRltdOrgAmt	Other CompensationOtherCompensationAmt	Individual Trustee Or DirectorIndividualTrusteeOrDirectorInd
DEBORA DARROW
EXECUTIVE DIRECTOR	40.0	0.0	Yes (X)	$90,518	$0	$0
MARY TONNE
PRESIDENT	0.2	0.0	Yes (X)	$0	$0	$0	Yes (X)
SUZIE ANTON
VICE PRESIDENT	0.2	0.0	Yes (X)	$0	$0	$0	Yes (X)
JOHN H THATCHER III
2ND VICE PRES/FAMILY REP	0.2	0.0	Yes (X)	$0	$0	$0	Yes (X)
REAH SANTANGELO
SECRETARY	0.2	0.0	Yes (X)	$0	$0	$0	Yes (X)
MOLLIE MCCANLESS
TREASURER	0.2	0.0	Yes (X)	$0	$0	$0	Yes (X)
JAN SPINUZZI
DONCET PRESIDENT	0.2	0.0	Yes (X)	$0	$0	$0	Yes (X)
ERIC KNIGHT
MEMBER	0.2	0.0		$0	$0	$0	Yes (X)
JULIE BARRETT
MEMBER	0.2	0.0		$0	$0	$0	Yes (X)
DANA DORR
MEMBER	0.2	0.0		$0	$0	$0	Yes (X)
JENNIFER TATE-HERNANDEZ
MEMBER	0.2	0.0		$0	$0	$0	Yes (X)
AARON GUTIERREZ
MEMBER	0.2	0.0		$0	$0	$0	Yes (X)
Sally McInnis Verna
MEMBER	0.2	0.0		$0	$0	$0	Yes (X)
MEGAN MOFFITT
MEMBER	0.2	0.0		$0	$0	$0	Yes (X)
Barbara Higgins
Auxiliary Rep.	0.2	0.0		$0	$0	$0	Yes (X)
LINDA DENIRO
AUXILIARY PRESIDENT	0.2	0.0	Yes (X)	$0	$0	$0	Yes (X)

Field	Value	IRS element (for citing)
Total Reportable Comp From Org	$90,518	TotalReportableCompFromOrgAmt
Tot Reportable Comp Rltd Org	$0	TotReportableCompRltdOrgAmt
Total Other Compensation	$0	TotalOtherCompensationAmt
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
Government Grants	$5,356	GovernmentGrantsAmt
All Other Contributions	$312,781	AllOtherContributionsAmt
Total Contributions	$318,137	TotalContributionsAmt

Program Service Revenue ProgramServiceRevenueGrp (2 entries)

DescDesc	BusinessBusinessCd	Total Revenue ColumnTotalRevenueColumnAmt	Related Or Exempt Func IncomeRelatedOrExemptFuncIncomeAmt
ADMISSIONS	712110	$24,154	$24,154
MEMBERSHIP DUES	712110	$2,220	$2,220

Field	Value	IRS element (for citing)
Total Program Service Revenue	$26,374	TotalProgramServiceRevenueAmt

Investment Income InvestmentIncomeGrp

Field	Value	IRS element (for citing)
Total Revenue Column	$143,781	TotalRevenueColumnAmt
Exclusion	$143,781	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

Gross Rents GrossRentsGrp

Field	Value	IRS element (for citing)
Real	$9,314	RealAmt

Rental Income Or Loss RentalIncomeOrLossGrp

Field	Value	IRS element (for citing)
Real	$9,314	RealAmt
Personal	$0	PersonalAmt

Net Rental Income Or Loss NetRentalIncomeOrLossGrp

Field	Value	IRS element (for citing)
Total Revenue Column	$9,314	TotalRevenueColumnAmt
Exclusion	$9,314	ExclusionAmt

Gross Amount Sales Assets GrossAmountSalesAssetsGrp

Field	Value	IRS element (for citing)
Securities	$300,512	SecuritiesAmt

Less Cost Oth Basis Sales Expnss LessCostOthBasisSalesExpnssGrp

Field	Value	IRS element (for citing)
Securities	$35,527	SecuritiesAmt

Gain Or Loss GainOrLossGrp

Field	Value	IRS element (for citing)
Securities	$264,985	SecuritiesAmt

Net Gain Or Loss Investments NetGainOrLossInvestmentsGrp

Field	Value	IRS element (for citing)
Total Revenue Column	$264,985	TotalRevenueColumnAmt
Exclusion	$264,985	ExclusionAmt

Field	Value	IRS element (for citing)
Fundraising Gross Income	$19,226	FundraisingGrossIncomeAmt
Fundraising Direct Expenses	$42,025	FundraisingDirectExpensesAmt

Net Incm From Fundraising Evt NetIncmFromFundraisingEvtGrp

Field	Value	IRS element (for citing)
Total Revenue Column	-$22,799	TotalRevenueColumnAmt
Exclusion	-$22,799	ExclusionAmt

Field	Value	IRS element (for citing)
Gaming Gross Income	$0	GamingGrossIncomeAmt
Gaming Direct Expenses	$0	GamingDirectExpensesAmt

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	$116,159	GrossSalesOfInventoryAmt
Cost Of Goods Sold	$31,761	CostOfGoodsSoldAmt

Net Income Or Loss NetIncomeOrLossGrp

Field	Value	IRS element (for citing)
Total Revenue Column	$84,398	TotalRevenueColumnAmt
Related Or Exempt Func Income	$69,490	RelatedOrExemptFuncIncomeAmt
Exclusion	$14,908	ExclusionAmt

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

Total Revenue TotalRevenueGrp

Field	Value	IRS element (for citing)
Total Revenue Column	$824,190	TotalRevenueColumnAmt
Related Or Exempt Func Income	$95,864	RelatedOrExemptFuncIncomeAmt
Exclusion	$410,189	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	$91,080	TotalAmt
Program Services	$18,216	ProgramServicesAmt
Management And General	$63,756	ManagementAndGeneralAmt
Fundraising	$9,108	FundraisingAmt

Comp Disqual Persons CompDisqualPersonsGrp

Field	Value	IRS element (for citing)
Total	$8,210	TotalAmt
Program Services	$4,926	ProgramServicesAmt
Management And General	$3,284	ManagementAndGeneralAmt

Other Salaries And Wages OtherSalariesAndWagesGrp

Field	Value	IRS element (for citing)
Total	$198,020	TotalAmt
Program Services	$158,179	ProgramServicesAmt
Management And General	$39,841	ManagementAndGeneralAmt

Pension Plan Contributions PensionPlanContributionsGrp

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

Other Employee Benefits OtherEmployeeBenefitsGrp

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

Payroll Taxes PayrollTaxesGrp

Field	Value	IRS element (for citing)
Total	$31,198	TotalAmt
Program Services	$19,027	ProgramServicesAmt
Management And General	$11,215	ManagementAndGeneralAmt
Fundraising	$956	FundraisingAmt

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	$32,608	TotalAmt
Management And General	$30,808	ManagementAndGeneralAmt
Fundraising	$1,800	FundraisingAmt

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	$38,847	TotalAmt
Management And General	$38,847	ManagementAndGeneralAmt

Fees For Services Other FeesForServicesOtherGrp

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

Advertising AdvertisingGrp

Field	Value	IRS element (for citing)
Total	$10,394	TotalAmt
Program Services	$1,039	ProgramServicesAmt
Management And General	$7,796	ManagementAndGeneralAmt
Fundraising	$1,559	FundraisingAmt

Office Expenses OfficeExpensesGrp

Field	Value	IRS element (for citing)
Total	$25,877	TotalAmt
Program Services	$581	ProgramServicesAmt
Management And General	$19,861	ManagementAndGeneralAmt
Fundraising	$5,435	FundraisingAmt

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	$66,076	TotalAmt
Program Services	$66,076	ProgramServicesAmt

Travel TravelGrp

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

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	$100	TotalAmt
Management And General	$100	ManagementAndGeneralAmt

Interest InterestGrp

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

Payments To Affiliates PaymentsToAffiliatesGrp

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

Depreciation Depletion DepreciationDepletionGrp

Field	Value	IRS element (for citing)
Total	$6,629	TotalAmt
Program Services	$3,314	ProgramServicesAmt
Management And General	$3,315	ManagementAndGeneralAmt

Insurance InsuranceGrp

Field	Value	IRS element (for citing)
Total	$29,968	TotalAmt
Program Services	$23,974	ProgramServicesAmt
Management And General	$5,994	ManagementAndGeneralAmt

Other Expenses OtherExpensesGrp (4 entries)

DescDesc	TotalTotalAmt	Management And GeneralManagementAndGeneralAmt	Program ServicesProgramServicesAmt	FundraisingFundraisingAmt
TAXES AND LICENSES	$4,115	$4,115
COLLECTION SUPPLIES & EXP	$440		$440
MEMBERSHIP	$770	$770
MISCELLANEOUS	$5,324	$1,913	$3,248	$163

Total Functional Expenses TotalFunctionalExpensesGrp

Field	Value	IRS element (for citing)
Total	$549,656	TotalAmt
Program Services	$299,020	ProgramServicesAmt
Management And General	$231,615	ManagementAndGeneralAmt
Fundraising	$19,021	FundraisingAmt

Cash Non Interest Bearing CashNonInterestBearingGrp

Field	Value	IRS element (for citing)
BOY	$307,891	BOYAmt
EOY	$269,223	EOYAmt

Savings And Temp Cash Invst SavingsAndTempCashInvstGrp

Field	Value	IRS element (for citing)
BOY	$148,985	BOYAmt
EOY	$139,118	EOYAmt

Pledges And Grants Receivable PledgesAndGrantsReceivableGrp

Field	Value	IRS element (for citing)
BOY	$5,356	BOYAmt
EOY	$5,356	EOYAmt

Accounts Receivable AccountsReceivableGrp

Field	Value	IRS element (for citing)
BOY	$4,776	BOYAmt
EOY	$5,196	EOYAmt

Receivables From Officers Etc ReceivablesFromOfficersEtcGrp

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

Rcvbl From Disqualified Prsn RcvblFromDisqualifiedPrsnGrp

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

Oth Notes Loans Receivable Net OthNotesLoansReceivableNetGrp

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

Inventories For Sale Or Use InventoriesForSaleOrUseGrp

Field	Value	IRS element (for citing)
BOY	$51,169	BOYAmt
EOY	$110,050	EOYAmt

Prepaid Expenses Defrd Charges PrepaidExpensesDefrdChargesGrp

Field	Value	IRS element (for citing)
BOY	$17,789	BOYAmt
EOY	$21,480	EOYAmt

Field	Value	IRS element (for citing)
Land Bldg Equip Cost Or Other Bss	$810,723	LandBldgEquipCostOrOtherBssAmt
Land Bldg Equip Accum Deprec	$272,994	LandBldgEquipAccumDeprecAmt

Land Bldg Equip Basis Net LandBldgEquipBasisNetGrp

Field	Value	IRS element (for citing)
BOY	$498,162	BOYAmt
EOY	$537,729	EOYAmt

Investments Pub Traded Sec InvestmentsPubTradedSecGrp

Field	Value	IRS element (for citing)
BOY	$4,850,325	BOYAmt
EOY	$5,068,622	EOYAmt

Investments Other Securities InvestmentsOtherSecuritiesGrp

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

Investments Program Related InvestmentsProgramRelatedGrp

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

Intangible Assets IntangibleAssetsGrp

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

Other Assets Total OtherAssetsTotalGrp

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

Total Assets TotalAssetsGrp

Field	Value	IRS element (for citing)
BOY	$5,884,453	BOYAmt
EOY	$6,156,774	EOYAmt

Accounts Payable Accr Expnss AccountsPayableAccrExpnssGrp

Field	Value	IRS element (for citing)
BOY	$32,297	BOYAmt
EOY	$34,848	EOYAmt

Grants Payable GrantsPayableGrp

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

Deferred Revenue DeferredRevenueGrp

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

Tax Exempt Bond Liabilities TaxExemptBondLiabilitiesGrp

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

Escrow Account Liability EscrowAccountLiabilityGrp

Field	Value	IRS element (for citing)
BOY	$1,000	BOYAmt
EOY	$800	EOYAmt

Loans From Officers Directors LoansFromOfficersDirectorsGrp

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

Mortg Notes Pybl Scrd Invst Prop MortgNotesPyblScrdInvstPropGrp

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

Unsecured Notes Loans Payable UnsecuredNotesLoansPayableGrp

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

Other Liabilities OtherLiabilitiesGrp

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

Total Liabilities TotalLiabilitiesGrp

Field	Value	IRS element (for citing)
BOY	$33,297	BOYAmt
EOY	$35,648	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	$5,846,693	BOYAmt
EOY	$6,116,663	EOYAmt

Donor Restriction Net Assets DonorRestrictionNetAssetsGrp

Field	Value	IRS element (for citing)
BOY	$4,463	BOYAmt
EOY	$4,463	EOYAmt

Total Net Assets Fund Balance TotalNetAssetsFundBalanceGrp

Field	Value	IRS element (for citing)
BOY	$5,851,156	BOYAmt
EOY	$6,121,126	EOYAmt

Tot Liab Net Assets Fund Balance TotLiabNetAssetsFundBalanceGrp

Field	Value	IRS element (for citing)
BOY	$5,884,453	BOYAmt
EOY	$6,156,774	EOYAmt

Field	Value	IRS element (for citing)
Reconcilation Revenue Expnss	$274,534	ReconcilationRevenueExpnssAmt
Net Unrlzd Gains Losses Invst	-$4,564	NetUnrlzdGainsLossesInvstAmt
Method Of Accounting Accrual	Yes (X)	MethodOfAccountingAccrualInd
Accountant Compile Or Review	false	AccountantCompileOrReviewInd
FS Audited	Yes (true)	FSAuditedInd

FS Audited Basis FSAuditedBasisGrp

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

Field	Value	IRS element (for citing)
Audit Committee	Yes (true)	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	$285,678	CurrentTaxYearMinus4YearsAmt
Current Tax Year Minus3 Years	$455,984	CurrentTaxYearMinus3YearsAmt
Current Tax Year Minus2 Years	$206,740	CurrentTaxYearMinus2YearsAmt
Current Tax Year Minus1 Year	$303,754	CurrentTaxYearMinus1YearAmt
Current Tax Year	$318,137	CurrentTaxYearAmt
Total	$1,570,293	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	$285,678	CurrentTaxYearMinus4YearsAmt
Current Tax Year Minus3 Years	$455,984	CurrentTaxYearMinus3YearsAmt
Current Tax Year Minus2 Years	$206,740	CurrentTaxYearMinus2YearsAmt
Current Tax Year Minus1 Year	$303,754	CurrentTaxYearMinus1YearAmt
Current Tax Year	$318,137	CurrentTaxYearAmt
Total	$1,570,293	TotalAmt

Field	Value	IRS element (for citing)
Substantial Contributors Tot	$239,460	SubstantialContributorsTotAmt
Public Support Total170	$1,330,833	PublicSupportTotal170Amt

Gross Investment Income170 GrossInvestmentIncome170Grp

Field	Value	IRS element (for citing)
Current Tax Year Minus4 Years	$176,644	CurrentTaxYearMinus4YearsAmt
Current Tax Year Minus3 Years	$129,011	CurrentTaxYearMinus3YearsAmt
Current Tax Year Minus2 Years	$137,834	CurrentTaxYearMinus2YearsAmt
Current Tax Year Minus1 Year	$156,897	CurrentTaxYearMinus1YearAmt
Current Tax Year	$153,095	CurrentTaxYearAmt
Total	$753,481	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	$853	CurrentTaxYearMinus4YearsAmt
Current Tax Year Minus3 Years	$2,387	CurrentTaxYearMinus3YearsAmt
Total	$3,240	TotalAmt

Field	Value	IRS element (for citing)
Total Support	$2,327,014	TotalSupportAmt
Gross Receipts Rltd Activities	$375,703	GrossReceiptsRltdActivitiesAmt
Public Support CY170	0.57191	PublicSupportCY170Pct
Public Support PY170	0.55980	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)
Art Public Exhibition Amounts		ArtPublicExhibitionAmountsGrp
Held Works Art		HeldWorksArtGrp
Collection Used Pub Exhibition	Yes (X)	CollectionUsedPubExhibitionInd
Collection Used Preservation	Yes (X)	CollectionUsedPreservationInd
Solicited Assets Sale	false	SolicitedAssetsSaleInd
Agent Trustee Etc	false	AgentTrusteeEtcInd
Incl Escrow Custodial Acct Liab	Yes (true)	InclEscrowCustodialAcctLiabInd
Explanation Provided	Yes (X)	ExplanationProvidedInd
CY Minus3 Yr Endwmt Fund		CYMinus3YrEndwmtFundGrp
CY Minus4 Yr Endwmt Fund		CYMinus4YrEndwmtFundGrp
Land		LandGrp

Buildings BuildingsGrp

Field	Value	IRS element (for citing)
Other Cost Or Other Basis	$0	OtherCostOrOtherBasisAmt
Depreciation	$0	DepreciationAmt
Book Value	$0	BookValueAmt

Leasehold Improvements LeaseholdImprovementsGrp

Field	Value	IRS element (for citing)
Other Cost Or Other Basis	$656,916	OtherCostOrOtherBasisAmt
Depreciation	$122,018	DepreciationAmt
Book Value	$534,898	BookValueAmt

Equipment EquipmentGrp

Field	Value	IRS element (for citing)
Other Cost Or Other Basis	$151,807	OtherCostOrOtherBasisAmt
Depreciation	$150,976	DepreciationAmt
Book Value	$831	BookValueAmt

Other Land Buildings OtherLandBuildingsGrp

Field	Value	IRS element (for citing)
Other Cost Or Other Basis	$2,000	OtherCostOrOtherBasisAmt
Book Value	$2,000	BookValueAmt

Field	Value	IRS element (for citing)
Total Book Value Land Buildings	$537,729	TotalBookValueLandBuildingsAmt
Federal Income Tax Liability	$0	FederalIncomeTaxLiabilityAmt
Total Liability	$0	TotalLiabilityAmt
Footnote Text	Yes (X)	FootnoteTextInd
Total Rev Etc Audited Fincl Stmt	$780,779	TotalRevEtcAuditedFinclStmtAmt
Net Unrealized Gains Invst	-$4,564	NetUnrealizedGainsInvstAmt
Revenue Not Reported	-$4,564	RevenueNotReportedAmt
Revenue Subtotal	$785,343	RevenueSubtotalAmt
Investment Expenses Not Incld	$38,847	InvestmentExpensesNotIncldAmt
Revenue Not Reported Fincl Stmt	$38,847	RevenueNotReportedFinclStmtAmt
Total Revenue Per Form990	$824,190	TotalRevenuePerForm990Amt
Tot Expns Etc Audited Fincl Stmt	$510,809	TotExpnsEtcAuditedFinclStmtAmt
Expenses Subtotal	$510,809	ExpensesSubtotalAmt
Investment Expenses Not Incld2	$38,847	InvestmentExpensesNotIncld2Amt
Expenses Not Rpt Fincl Stmt	$38,847	ExpensesNotRptFinclStmtAmt
Total Expenses Per Form990	$549,656	TotalExpensesPerForm990Amt

Supplemental Information Detail SupplementalInformationDetail (4 entries)

Form And Line ReferenceFormAndLineReferenceDesc	ExplanationExplanationTxt
Schedule D, Part III, Line 1 a	In conformity with the practice followed by many museums, collections are not reflected in the statement of financial position. The Museum's collections are comprised of the original Thatcher family home, constructed in 1892, and the personal effects of the family remaining in the mansion.
Schedule D, Part III, Line 4	HISTORICAL COLLECTIONS The Museum's collections are maintained for public exhibition, education and research in furtherance of public service, rather than for financial gain. The Museum's collections, acquired through purchase, if any, or by donation are not recognized in the accompanying financial statements. The Museum's collections are composed of the original Thatcher family home, constructed in 1892, and the personal effects of the family remaining in the mansion. The Andrew McClelland Collection of Worldwide Curiosities (owned by the City of Pueblo, Colorado) is also housed in the Thatcher home and under the care of the Museum. The Museum is in the process of long-term renovation of the mansion and grounds. Costs incurred in the restoration are reported as program expenses.
Schedule D, Part IV, Line 2 b	The museum holds SECURITY DEPOSITS FOR facility rentals.
Schedule D, Part X, Line 2	The Museum is exempt from federal income taxes under Section 501(c)(3) of the Internal Revenue Code. In addition, the Museum qualifies for the charitable contribution deduction and has been classified as an organization other than a private foundation. The Museum believes that it does not have any uncertain tax positions that are material to the financial statements.

Schedule G IRS990ScheduleG

Fundraising Event Information FundraisingEventInformationGrp

Field	Value	IRS element (for citing)
Event1	NONE	Event1Nm
Event2	NONE	Event2Nm
Other Events Total	0	OtherEventsTotalCnt

Supplemental Information Detail SupplementalInformationDetail

Field	Value	IRS element (for citing)
Form And Line Reference	SCH G, PART II, COLUMN (A), (B), AND (C))	FormAndLineReferenceDesc
Explanation	THE ORGANIZATION HOSTED MULTIPLE FUNDRAISING EVENTS DURING THE FISCAL YEAR ENDING APRIL 30, 2025, BUT NO EVENT HAD GROSS RECEIPTS OF $5,000 OR MORE. AS SUCH, SCHEDULE G PART II HAS BEEN COMPLETED BUT "NONE" HAS BEEN REPORTED.	ExplanationTxt

Schedule O IRS990ScheduleO

Supplemental Information Detail SupplementalInformationDetail (8 entries)

Form And Line ReferenceFormAndLineReferenceDesc	ExplanationExplanationTxt
Form 990, Part VI, Section A, Line 6	Members shall be persons who pay annual dues to the Museum. Each member shall be entitled to one vote regardless of class.
Form 990, Part VI, Section A, line 7 a	ALL MEMBERSHIP CLASSES VOTE ON THE BOARD OF DIRECTORS. ELECTIONS ARE DONE ON A ONE MEMBER ONE VOTE BASIS. One Director shall be a direct descendant of the John A. Thatcher Family, designated by the descendants of the three donors of Rosemount, and this person may be re-appointed every three years indefinitely.
Form 990, Part VI, Section A, line 7 b	The FOLLOWING ACTS to be approved by the MEMBERSHIP BODY: (1) AMENDMENTS TO THE ORGANIZATION'S BYLAWS AND (2) removal from office of any Board Member, including officers, and the election of his or her successor.
FORM 990 Part VI, section b, LINE 11 B	FORM 990 IS EXPLAINED TO THE ENTIRE BOARD DURING A BOARD MEETING PRIOR TO THE SUBMISSION OF THEIR FORM 990 TO THE INTERNAL REVENUE SERVICE.
Form 990, Part VI, Section B, Line 12 c	THE MUSEUM REQUIRES THE DISCLOSURE BY EACH BOARD MEMBER OF ANY CONTEMPLATED TRANSACTION BETWEEN THE MUSEUM AND ANY ENTITIES IN WHICH THEY HAVE ANY INVOLVEMENT. AT EACH BOARD MEETING, IF THERE IS A DISCUSSION OF SELECTING OR ENGAGING A VENDOR OR SERVICE PROVIDER, ALL IN ATTENDANCE ARE ASKED TO RECUSE THEMSELVES FROM THIS DISCUSSION IF THERE COULD BE A PERCEIVED CONFLICT.
Form 990, Part VI, Section B, Line 15 a & b	THE BOARD OF DIRECTORS COMPLETES AN ANNUAL PERFORMANCE REVIEW OF THE EXECUTIVE DIRECTOR. THE BOARD REVIEWS COMPENSATION INFORMATION ON THE COMPENSATION OF INDIVIDUALS IN LIKE POSITIONS AND IN COMPARABLE ORGANIZATIONS. THE BOARD APPROVES ANY CHANGES IN COMPENSATION BASED ON MERIT, PERFORMANCE, MARKET ADJUSTMENTS, and budgetary constraints. THE ORGANIZATION HAS NO OTHER PAID OFFICERS OR EMPLOYEES MEETING THE IRS DEFINITION OF A KEY EMPLOYEE.
Form 990, Part VI, Section C, line 19	THE ORGANIZATION WILL PROVIDE IN A TIMELY MANNER, COPIES OF ALL GOVERNING DOCUMENTS, INCLUDING ITS CONFLICT-OF-INTEREST POLICIES AND FINANCIAL STATEMENTS WHEN REQUESTED IN WRITING OR IN PERSON.
Form 990, Part XII, line 2c	THE ORGANIZATION HAS AN AUDIT COMMITTEE THAT ASSUMES RESPONSIBILITY FOR SELECTING THE INDEPENDENT AUDITOR FOR THE FINANCIAL STATEMENT AUDIT. THIS PROCESS HAS NOT CHANGED FROM PRIOR YEARS.