Liabilities / Assets
71st percentile
Higher debt load relative to assets than 71% of similar nonprofits.
EIN 73-1432918 • 501(c)3 • Oklahoma City, OK
Profile
To encourage preservation of Oklahoma's historic places
Precomputed percentiles relative to similar nonprofits. These scores are descriptive rather than judgmental.
Liabilities / Assets
71st percentile
Higher debt load relative to assets than 71% of similar nonprofits.
Liabilities / Revenue
74th percentile
Higher debt load relative to revenue than 74% of similar nonprofits.
Net Margin
43rd percentile
Higher net margin than 43% of similar nonprofits.
Top Officer Pay
98th percentile
Higher top officer pay than 98% of similar nonprofits.
Top officer pay equals 26.7% of source-year revenue.
Asset Growth
83rd percentile
Faster asset growth than 83% of similar nonprofits.
Revenue Growth
51st percentile
Faster revenue growth than 51% of similar nonprofits.
Assets
Up$130,047
Up $34,036 (+35%) from 2024
Liabilities
Up$3,235
Up $3,235 from 2024
Net Assets
Up$126,812
Up $30,801 (+32%) from 2024
Revenue
Down$125,042
Down $359 (-0.3%) from 2024
Expenses
Down$126,081
Down $19,080 (-13%) from 2024
Net Income
Up-$1,039
Up $18,721 (+95%) from 2024
Most recent year
2025 • Form 990Facts available. Structured filing facts are available, but richer extracted sections are limited.
To encourage preservation of Oklahoma's historic places
To preserve the places where Oklahoma history lives.
| Line | Beginning | End | Change |
|---|---|---|---|
| Assets | |||
| Cash and Non-Interest-Bearing Accounts | $47,593 | $79,956 | ▲ $32,363 |
| Savings and Temporary Cash Investments | $48,418 | $50,091 | ▲ $1,673 |
| Total Assets | $96,011 | $130,047 | ▲ $34,036 |
| Liabilities | |||
| Accounts Payable and Accrued Expenses | - | $3,235 | - |
| Total Liabilities | $0 | $3,235 | ▲ $3,235 |
| Net Assets / Fund Balance | |||
| Net Assets Without Donor Restrictions | $96,011 | $112,050 | ▲ $16,039 |
| Net Assets With Donor Restrictions | - | $14,762 | - |
| Total Net Assets Fund Balance | $96,011 | $126,812 | ▲ $30,801 |
| Total Liabilities and Net Assets / Fund Balance | $96,011 | $130,047 | ▲ $34,036 |
| Name | Title |
|---|---|
| Victoria Raines | Board Chair |
| Chad Huntington | Board Member at Large |
| Erin Sullivan | Board Member at Large |
| Kay Decker | Board Member at Large |
| Pam Fischer | Board Member at Large |
| Rusty Milroy | Board Member at Large |
| Line Item | Amount |
|---|---|
| Salaries, Compensation, and Employee Benefits | $82,187 |
| Other Expenses | $43,894 |
| Grants and Similar Amounts Paid | $0 |
| Professional Fundraising Fees | $0 |
| Total Fundraising Expense | $0 |
| Line Item | Program | Management | Fundraising | Total |
|---|---|---|---|---|
| Other Salaries and Wages | $32,015 | $38,196 | - | $70,211 |
| Occupancy | $14,192 | $3,236 | - | $17,428 |
| Fees for Services Other | $7,220 | $117 | - | $7,337 |
| Payroll Taxes | $2,449 | $3,672 | - | $6,121 |
| Other Employee Benefits | $5,162 | $693 | - | $5,855 |
| Advertising | $698 | $4,016 | - | $4,714 |
| Fees for Services Accounting | $383 | $2,794 | - | $3,177 |
| Information Technology | $466 | $2,618 | - | $3,084 |
| Insurance | $470 | $2,298 | - | $2,768 |
| Office Expenses | $866 | $1,105 | - | $1,971 |
| Travel | $1,851 | $50 | - | $1,901 |
| Conferences and Meetings | $745 | $573 | - | $1,318 |
| Other Expenses | $40 | $156 | - | $40 |
| Total Functional Expenses | $66,557 | $59,524 | $0 | $126,081 |
| Line Item | Amount |
|---|---|
| Professional Fundraising Fees | $0 |
“All meetings of the board of directors are contemporaneously documented by the board secretary or their appointee. All meeting documents are available upon written request.”
“A copy of the Form 990 was presented to the Executive Director and the Board of Directors prior to the filing of the return with the Internal Revenue Service.”
“The Board of Directors monitors the activities of the members of the Board of Directors as it relates to the conflict of interest policy of the organization.”
“The organization makes its Form 990 available to the public upon written request.”
“The organization makes its governing documents, policies, and financial statements available to the public upon written request.”
“Part III has been answered that historical treasurers are held by Preservation Oklahoma. These items have been accessed as as part of a musuem collection owned by the Oklahoma Historical Society and cared for by Preservation Oklahoma (based on an operating agreement).”
“The Overholser Mansion is considered the first mansion built in Oklahoma City. David Jay Perry, the son-in-law of the Overholsers, sold the mansion and all of its belongings to the Oklahoma Historical Society in April 1972. Preservation Oklahoma has been the caretaker of this Oklahoma City treasure and contents since 2003.”
This appendix keeps the raw XML leaves available for debugging and edge-case review. The human report above is the primary experience.
| Path | # | Value |
|---|---|---|
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| IRS990/AccountsPayableAccrExpnssGrp/EOYAmt | 0 | 3235 |
| IRS990/ActivitiesConductedPrtshpInd | 0 | false |
| IRS990/ActivityOrMissionDesc | 0 | To preserve the places where Oklahoma history lives. |
| IRS990/AdvertisingGrp/ManagementAndGeneralAmt | 0 | 4016 |
| IRS990/AdvertisingGrp/ProgramServicesAmt | 0 | 698 |
| IRS990/AdvertisingGrp/TotalAmt | 0 | 4714 |
| IRS990/AllOtherContributionsAmt | 0 | 16285 |
| IRS990/AnnualDisclosureCoveredPrsnInd | 0 | true |
| IRS990/BackupWthldComplianceInd | 0 | true |
| IRS990/BooksInCareOfDetail/PersonNm | 0 | Preservation Oklahoma |
| IRS990/BooksInCareOfDetail/PhoneNum | 0 | 4055255325 |
| IRS990/BooksInCareOfDetail/USAddress/AddressLine1Txt | 0 | 405 NW 15th St |
| IRS990/BooksInCareOfDetail/USAddress/CityNm | 0 | Oklahoma City |
| IRS990/BooksInCareOfDetail/USAddress/StateAbbreviationCd | 0 | OK |
| IRS990/BooksInCareOfDetail/USAddress/ZIPCd | 0 | 73103 |
| IRS990/BusinessRlnWith35CtrlEntInd | 0 | false |
| IRS990/BusinessRlnWithFamMemInd | 0 | false |
| IRS990/BusinessRlnWithOrgMemInd | 0 | false |
| IRS990/CashNonInterestBearingGrp/BOYAmt | 0 | 47593 |
| IRS990/CashNonInterestBearingGrp/EOYAmt | 0 | 79956 |
| IRS990/ChangeToOrgDocumentsInd | 0 | false |
| IRS990/CollectionsOfArtInd | 0 | true |
| IRS990/CompensationFromOtherSrcsInd | 0 | false |
| IRS990/CompensationProcessCEOInd | 0 | false |
| IRS990/CompensationProcessOtherInd | 0 | false |
| IRS990/ConferencesMeetingsGrp/ManagementAndGeneralAmt | 0 | 573 |
| IRS990/ConferencesMeetingsGrp/ProgramServicesAmt | 0 | 745 |
| IRS990/ConferencesMeetingsGrp/TotalAmt | 0 | 1318 |
| IRS990/ConflictOfInterestPolicyInd | 0 | true |
| IRS990/ConservationEasementsInd | 0 | false |
| IRS990/ConsolidatedAuditFinclStmtInd | 0 | false |
| IRS990/CreditCounselingInd | 0 | false |
| IRS990/CYBenefitsPaidToMembersAmt | 0 | 0 |
| IRS990/CYContributionsGrantsAmt | 0 | 109013 |
| IRS990/CYGrantsAndSimilarPaidAmt | 0 | 0 |
| IRS990/CYInvestmentIncomeAmt | 0 | 1852 |
| IRS990/CYOtherExpensesAmt | 0 | 43894 |
| IRS990/CYOtherRevenueAmt | 0 | 0 |
| IRS990/CYProgramServiceRevenueAmt | 0 | 14177 |
| IRS990/CYRevenuesLessExpensesAmt | 0 | -1039 |
| IRS990/CYSalariesCompEmpBnftPaidAmt | 0 | 82187 |
| IRS990/CYTotalExpensesAmt | 0 | 126081 |
| IRS990/CYTotalFundraisingExpenseAmt | 0 | 0 |
| IRS990/CYTotalProfFndrsngExpnsAmt | 0 | 0 |
| IRS990/CYTotalRevenueAmt | 0 | 125042 |
| IRS990/DecisionsSubjectToApprovaInd | 0 | false |
| IRS990/DeductibleArtContributionInd | 0 | false |
| IRS990/DeductibleNonCashContriInd | 0 | false |
| IRS990/DelegationOfMgmtDutiesInd | 0 | false |
| IRS990/Desc | 0 | Preserving, presenting, and progessing the Henry & Anna Overholser Manion in Oklahoma City (OK), staff and volunteers work year-round to bring this historic home and museum to life with guided tours, special events, and unique limited-engagement exhibits. The museum regularly welcomes more than 5,000 guests each year for guided tours, serves as a backdrop for countless private events, and reamins camera ready for production companies. For over 120 years, the Overholser Mansion has stood proudly on the Oklahoma plains. It stands as a reflection of Oklahoma Citys beginnings and also represents the hard work of preservationists who sought to preserve its legacy. Without the dedication, forethought, and tenacity of these individuals, this piece of Oklahoma history could have been lost forever. In that vein, this structure represents what Preservation Oklahoma hopes to achieve statewide the protection and preservation of these landmarks of of Oklahomas past. Believing communities are enriched when we connect history to our present and future, we remain Oklahomas only private, non-profit organization dedicated to promoting, supporting, and coordinating historic preservation throughout our state. Preservation Oklahoma NEWS, the newsletter of Oklahomas historic preservation community, is published quarterly. With editorial content provided by the State Historic Preservation Office (a division of the Oklahoma Historical Society), the newsletter contains articles on Oklahomas historic sites and architecture; serves as a record of sites added to the National Register of Historic Places; contains an extensive list of workshops, symposiums, and educational series; and informs readers of grant and funding opportunities for preservation projects. The newsletter is regularly distributed to over 5,000 subscribers, and it is viewable online at www.preservationok.org. |
| IRS990/DescribedInSection501c3Ind | 0 | true |
| IRS990/DisregardedEntityInd | 0 | false |
| IRS990/DocumentRetentionPolicyInd | 0 | false |
| IRS990/DonorAdvisedFundInd | 0 | false |
| IRS990/DonorRestrictionNetAssetsGrp/EOYAmt | 0 | 14762 |
| IRS990/DonorRstrOrQuasiEndowmentsInd | 0 | false |
| IRS990/ElectionOfBoardMembersInd | 0 | false |
| IRS990/EmployeeCnt | 0 | 3 |
| IRS990/EmploymentTaxReturnsFiledInd | 0 | true |
| IRS990/EngagedInExcessBenefitTransInd | 0 | false |
| IRS990/ExpenseAmt | 0 | 66557 |
| IRS990/FamilyOrBusinessRlnInd | 0 | false |
| IRS990/FederalGrantAuditRequiredInd | 0 | false |
| IRS990/FeesForServicesAccountingGrp/ManagementAndGeneralAmt | 0 | 2794 |
| IRS990/FeesForServicesAccountingGrp/ProgramServicesAmt | 0 | 383 |
| IRS990/FeesForServicesAccountingGrp/TotalAmt | 0 | 3177 |
| IRS990/FeesForServicesOtherGrp/ManagementAndGeneralAmt | 0 | 117 |
| IRS990/FeesForServicesOtherGrp/ProgramServicesAmt | 0 | 7220 |
| IRS990/FeesForServicesOtherGrp/TotalAmt | 0 | 7337 |
| IRS990/ForeignActivitiesInd | 0 | false |
| IRS990/ForeignFinancialAccountInd | 0 | false |
| IRS990/ForeignOfficeInd | 0 | false |
| IRS990/Form1098CFiledInd | 0 | false |
| IRS990/Form8282PropertyDisposedOfInd | 0 | false |
| IRS990/Form8899Filedind | 0 | false |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 0 | 0.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 1 | 0.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 2 | 0.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 3 | 0.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 4 | 0.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 5 | 0.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 0 | 0.10 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 1 | 0.10 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 2 | 0.10 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 3 | 0.10 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 4 | 0.10 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 5 | 0.50 |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 0 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 1 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 2 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 3 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 4 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 0 | X |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 1 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 2 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 3 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 4 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 5 | 0 |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 0 | Kay Decker |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 1 | Pam Fischer |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 2 | Rusty Milroy |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 3 | Erin Sullivan |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 4 | Chad Huntington |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 5 | Victoria Raines |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 1 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 2 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 3 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 4 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 5 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 1 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 2 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 3 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 4 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 5 | 0 |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 0 | Board Member at Large |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 1 | Board Member at Large |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 2 | Board Member at Large |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 3 | Board Member at Large |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 4 | Board Member at Large |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 5 | Board Chair |
| IRS990/Form990ProvidedToGvrnBodyInd | 0 | true |
| IRS990/FormationYr | 0 | 1992 |
| IRS990/FormerOfcrEmployeesListedInd | 0 | false |
| IRS990/FSAuditedInd | 0 | false |
| IRS990/FundraisingActivitiesInd | 0 | false |
| IRS990/GamingActivitiesInd | 0 | false |
| IRS990/GoverningBodyVotingMembersCnt | 0 | 6 |
| IRS990/GovernmentGrantsAmt | 0 | 90000 |
| IRS990/GrantsToIndividualsInd | 0 | false |
| IRS990/GrantsToOrganizationsInd | 0 | false |
| IRS990/GrantToRelatedPersonInd | 0 | false |
| IRS990/GrossReceiptsAmt | 0 | 125042 |
| IRS990/GroupReturnForAffiliatesInd | 0 | false |
| IRS990/IncludeFIN48FootnoteInd | 0 | false |
| IRS990/IndependentAuditFinclStmtInd | 0 | false |
| IRS990/IndependentVotingMemberCnt | 0 | 6 |
| IRS990/IndivRcvdGreaterThan100KCnt | 0 | 0 |
| IRS990/IndoorTanningServicesInd | 0 | false |
| IRS990/InfoInScheduleOPartVIInd | 0 | X |
| IRS990/InformationTechnologyGrp/ManagementAndGeneralAmt | 0 | 2618 |
| IRS990/InformationTechnologyGrp/ProgramServicesAmt | 0 | 466 |
| IRS990/InformationTechnologyGrp/TotalAmt | 0 | 3084 |
| IRS990/InsuranceGrp/ManagementAndGeneralAmt | 0 | 2298 |
| IRS990/InsuranceGrp/ProgramServicesAmt | 0 | 470 |
| IRS990/InsuranceGrp/TotalAmt | 0 | 2768 |
| IRS990/InvestmentIncomeGrp/RelatedOrExemptFuncIncomeAmt | 0 | 1852 |
| IRS990/InvestmentIncomeGrp/TotalRevenueColumnAmt | 0 | 1852 |
| IRS990/InvestmentInJointVentureInd | 0 | false |
| IRS990/IRPDocumentCnt | 0 | 0 |
| IRS990/IRPDocumentW2GCnt | 0 | 0 |
| IRS990/LegalDomicileStateCd | 0 | OK |
| IRS990/LoanOutstandingInd | 0 | false |
| IRS990/LobbyingActivitiesInd | 0 | false |
| IRS990/LocalChaptersInd | 0 | false |
| IRS990/MaterialDiversionOrMisuseInd | 0 | false |
| IRS990/MembershipDuesAmt | 0 | 2728 |
| IRS990/MembersOrStockholdersInd | 0 | false |
| IRS990/MethodOfAccountingCashInd | 0 | X |
| IRS990/MinutesOfCommitteesInd | 0 | true |
| IRS990/MinutesOfGoverningBodyInd | 0 | true |
| IRS990/MissionDesc | 0 | To preserve the places where Oklahoma history lives. |
| IRS990/MoreThan5000KToIndividualsInd | 0 | false |
| IRS990/MoreThan5000KToOrgInd | 0 | false |
| IRS990/NetAssetsOrFundBalancesBOYAmt | 0 | 96011 |
| IRS990/NetAssetsOrFundBalancesEOYAmt | 0 | 126812 |
| IRS990/NetIncmFromFundraisingEvtGrp/TotalRevenueColumnAmt | 0 | 0 |
| IRS990/NetUnrelatedBusTxblIncmAmt | 0 | 0 |
| IRS990/NoDonorRestrictionNetAssetsGrp/BOYAmt | 0 | 96011 |
| IRS990/NoDonorRestrictionNetAssetsGrp/EOYAmt | 0 | 112050 |
| IRS990/NoListedPersonsCompensatedInd | 0 | X |
| IRS990/NondeductibleContributionsInd | 0 | true |
| IRS990/NondeductibleContriDisclInd | 0 | true |
| IRS990/OccupancyGrp/ManagementAndGeneralAmt | 0 | 3236 |
| IRS990/OccupancyGrp/ProgramServicesAmt | 0 | 14192 |
| IRS990/OccupancyGrp/TotalAmt | 0 | 17428 |
| IRS990/OfficeExpensesGrp/ManagementAndGeneralAmt | 0 | 1105 |
| IRS990/OfficeExpensesGrp/ProgramServicesAmt | 0 | 866 |
| IRS990/OfficeExpensesGrp/TotalAmt | 0 | 1971 |
| IRS990/OfficerMailingAddressInd | 0 | false |
| IRS990/OperateHospitalInd | 0 | false |
| IRS990/Organization501c3Ind | 0 | X |
| IRS990/OrganizationFollowsFASB117Ind | 0 | X |
| IRS990/OtherChangesInNetAssetsAmt | 0 | 0 |
| IRS990/OtherEmployeeBenefitsGrp/ManagementAndGeneralAmt | 0 | 693 |
| IRS990/OtherEmployeeBenefitsGrp/ProgramServicesAmt | 0 | 5162 |
| IRS990/OtherEmployeeBenefitsGrp/TotalAmt | 0 | 5855 |
| IRS990/OtherExpensesGrp/Desc | 0 | Banking Fees |
| IRS990/OtherExpensesGrp/Desc | 1 | Taxes & Licenses |
| IRS990/OtherExpensesGrp/ManagementAndGeneralAmt | 0 | 156 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 0 | 40 |
| IRS990/OtherExpensesGrp/TotalAmt | 0 | 156 |
| IRS990/OtherExpensesGrp/TotalAmt | 1 | 40 |
| IRS990/OtherSalariesAndWagesGrp/ManagementAndGeneralAmt | 0 | 38196 |
| IRS990/OtherSalariesAndWagesGrp/ProgramServicesAmt | 0 | 32015 |
| IRS990/OtherSalariesAndWagesGrp/TotalAmt | 0 | 70211 |
| IRS990/PartialLiquidationInd | 0 | false |
| IRS990/PayPremiumsPrsnlBnftCntrctInd | 0 | false |
| IRS990/PayrollTaxesGrp/ManagementAndGeneralAmt | 0 | 3672 |
| IRS990/PayrollTaxesGrp/ProgramServicesAmt | 0 | 2449 |
| IRS990/PayrollTaxesGrp/TotalAmt | 0 | 6121 |
| IRS990/PoliticalCampaignActyInd | 0 | false |
| IRS990/PriorPeriodAdjustmentsAmt | 0 | 31840 |
| IRS990/ProfessionalFundraisingInd | 0 | false |
| IRS990/ProgramServiceRevenueGrp/BusinessCd | 0 | 713990 |
| IRS990/ProgramServiceRevenueGrp/Desc | 0 | Museum Ticket Sales |
| IRS990/ProgramServiceRevenueGrp/RelatedOrExemptFuncIncomeAmt | 0 | 14177 |
| IRS990/ProgramServiceRevenueGrp/TotalRevenueColumnAmt | 0 | 14177 |
| IRS990/ProhibitedTaxShelterTransInd | 0 | false |
| IRS990/PYContributionsGrantsAmt | 0 | 111820 |
| IRS990/PYExcessBenefitTransInd | 0 | false |
| IRS990/PYInvestmentIncomeAmt | 0 | 13581 |
| IRS990/PYOtherExpensesAmt | 0 | 58463 |
| IRS990/PYRevenuesLessExpensesAmt | 0 | -19760 |
| IRS990/PYSalariesCompEmpBnftPaidAmt | 0 | 86698 |
| IRS990/PYTotalExpensesAmt | 0 | 145161 |
| IRS990/PYTotalRevenueAmt | 0 | 125401 |
| IRS990/QuidProQuoContributionsInd | 0 | false |
| IRS990/RcvFndsToPayPrsnlBnftCntrctInd | 0 | false |
| IRS990/ReconcilationRevenueExpnssAmt | 0 | -1039 |
| IRS990/RegularMonitoringEnfrcInd | 0 | true |
| IRS990/RelatedEntityInd | 0 | false |
| IRS990/RelatedOrganizationCtrlEntInd | 0 | false |
| IRS990/ReportInvestmentsOtherSecInd | 0 | false |
| IRS990/ReportLandBuildingEquipmentInd | 0 | false |
| IRS990/ReportOtherAssetsInd | 0 | false |
| IRS990/ReportOtherLiabilitiesInd | 0 | false |
| IRS990/ReportProgramRelatedInvstInd | 0 | false |
| IRS990/RevenueAmt | 0 | 123062 |
| IRS990/SavingsAndTempCashInvstGrp/BOYAmt | 0 | 48418 |
| IRS990/SavingsAndTempCashInvstGrp/EOYAmt | 0 | 50091 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearAmt | 0 | 109013 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearMinus1YearAmt | 0 | 111819 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearMinus2YearsAmt | 0 | 107175 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearMinus3YearsAmt | 0 | 228814 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearMinus4YearsAmt | 0 | 112872 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/TotalAmt | 0 | 669693 |
| IRS990ScheduleA/GrossInvestmentIncome170Grp/CurrentTaxYearAmt | 0 | 1852 |
| IRS990ScheduleA/GrossInvestmentIncome170Grp/CurrentTaxYearMinus1YearAmt | 0 | 13581 |
| IRS990ScheduleA/GrossInvestmentIncome170Grp/CurrentTaxYearMinus2YearsAmt | 0 | 13981 |
| IRS990ScheduleA/GrossInvestmentIncome170Grp/CurrentTaxYearMinus3YearsAmt | 0 | 10406 |
| IRS990ScheduleA/GrossInvestmentIncome170Grp/CurrentTaxYearMinus4YearsAmt | 0 | 90 |
| IRS990ScheduleA/GrossInvestmentIncome170Grp/TotalAmt | 0 | 39910 |
| IRS990ScheduleA/PublicOrganization170Ind | 0 | X |
| IRS990ScheduleA/PublicSupportCY170Pct | 0 | 0.67500 |
| IRS990ScheduleA/PublicSupportPY170Pct | 0 | 0.81170 |
| IRS990ScheduleA/PublicSupportTotal170Amt | 0 | 479013 |
| IRS990ScheduleA/SubstantialContributorsTotAmt | 0 | 190680 |
| IRS990ScheduleA/ThirtyThrPctSuprtTestsCY170Ind | 0 | X |
| IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearAmt | 0 | 109013 |
| IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearMinus1YearAmt | 0 | 111819 |
| IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearMinus2YearsAmt | 0 | 107175 |
| IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearMinus3YearsAmt | 0 | 228814 |
| IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearMinus4YearsAmt | 0 | 112872 |
| IRS990ScheduleA/TotalCalendarYear170Grp/TotalAmt | 0 | 669693 |
| IRS990ScheduleA/TotalSupportAmt | 0 | 709603 |
| IRS990ScheduleB/ContributorInformationGrp/ContributorBusinessName/BusinessNameLine1 | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/ContributorNum | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/AddressLine1 | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/AddressLine2 | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/City | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/State | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/ZIPCode | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/TotalContributionsAmt | 0 | RESTRICTED |
| IRS990/ScheduleBRequiredInd | 0 | true |
| IRS990ScheduleD/CollectionUsedPreservationInd | 0 | X |
| IRS990ScheduleD/CollectionUsedPubExhibitionInd | 0 | X |
| IRS990ScheduleD/CollUsedLoanOrExchProgInd | 0 | X |
| IRS990ScheduleD/CollUsedScholarlyRsrchInd | 0 | X |
| IRS990ScheduleD/SolicitedAssetsSaleInd | 0 | false |
| IRS990ScheduleD/SupplementalInformationDetail/ExplanationTxt | 0 | Part III has been answered that historical treasurers are held by Preservation Oklahoma. These items have been accessed as as part of a musuem collection owned by the Oklahoma Historical Society and cared for by Preservation Oklahoma (based on an operating agreement). |
| IRS990ScheduleD/SupplementalInformationDetail/ExplanationTxt | 1 | The Overholser Mansion is considered the first mansion built in Oklahoma City. David Jay Perry, the son-in-law of the Overholsers, sold the mansion and all of its belongings to the Oklahoma Historical Society in April 1972. Preservation Oklahoma has been the caretaker of this Oklahoma City treasure and contents since 2003. |
| IRS990ScheduleD/SupplementalInformationDetail/FormAndLineReferenceDesc | 0 | Part III, Line 1a-Text in footnote regarding SFAS 116 (ASC 958) |
| IRS990ScheduleD/SupplementalInformationDetail/FormAndLineReferenceDesc | 1 | Part III, Line 4-Description organization's collections |
| IRS990/ScheduleJRequiredInd | 0 | false |
| IRS990/ScheduleORequiredInd | 0 | true |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 0 | All meetings of the board of directors are contemporaneously documented by the board secretary or their appointee. All meeting documents are available upon written request. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 1 | A copy of the Form 990 was presented to the Executive Director and the Board of Directors prior to the filing of the return with the Internal Revenue Service. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 2 | The Board of Directors monitors the activities of the members of the Board of Directors as it relates to the conflict of interest policy of the organization. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 3 | The organization makes its Form 990 available to the public upon written request. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 4 | The organization makes its governing documents, policies, and financial statements available to the public upon written request. |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 0 | Governing body meeting documentation Part VI line 8a |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 1 | Form 990 governing body review Part VI line 11 |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 2 | Conflict of interest policy compliance Part VI line 12c |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 3 | Form 990 availability to public Part VI line 18 |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 4 | Governing documents etc available to public Part VI line 19 |
| IRS990/SchoolOperatingInd | 0 | false |
| IRS990/SignificantChangeInd | 0 | false |
| IRS990/SignificantNewProgramSrvcInd | 0 | false |
| IRS990/StatesWhereCopyOfReturnIsFldCd | 0 | OK |
| IRS990/SubjectToExcsTaxNetInvstIncInd | 0 | false |
| IRS990/SubjectToProxyTaxInd | 0 | false |
| IRS990/SubjToTaxRmnrtnExPrchtPymtInd | 0 | false |
| IRS990/TaxablePartyNotificationInd | 0 | false |
| IRS990/TaxExemptBondsInd | 0 | false |
| IRS990/TerminateOperationsInd | 0 | false |
| IRS990/TotalAssetsBOYAmt | 0 | 96011 |
| IRS990/TotalAssetsEOYAmt | 0 | 130047 |
| IRS990/TotalAssetsGrp/BOYAmt | 0 | 96011 |
| IRS990/TotalAssetsGrp/EOYAmt | 0 | 130047 |
| IRS990/TotalCompGreaterThan150KInd | 0 | false |
| IRS990/TotalContributionsAmt | 0 | 109013 |
| IRS990/TotalEmployeeCnt | 0 | 3 |
| IRS990/TotalFunctionalExpensesGrp/FundraisingAmt | 0 | 0 |
| IRS990/TotalFunctionalExpensesGrp/ManagementAndGeneralAmt | 0 | 59524 |
| IRS990/TotalFunctionalExpensesGrp/ProgramServicesAmt | 0 | 66557 |
| IRS990/TotalFunctionalExpensesGrp/TotalAmt | 0 | 126081 |
| IRS990/TotalGrossUBIAmt | 0 | 0 |
| IRS990/TotalLiabilitiesEOYAmt | 0 | 3235 |
| IRS990/TotalLiabilitiesGrp/BOYAmt | 0 | 0 |
| IRS990/TotalLiabilitiesGrp/EOYAmt | 0 | 3235 |
| IRS990/TotalNetAssetsFundBalanceGrp/BOYAmt | 0 | 96011 |
| IRS990/TotalNetAssetsFundBalanceGrp/EOYAmt | 0 | 126812 |
| IRS990/TotalOtherCompensationAmt | 0 | 0 |
| IRS990/TotalProgramServiceExpensesAmt | 0 | 66557 |
| IRS990/TotalProgramServiceRevenueAmt | 0 | 14177 |
| IRS990/TotalReportableCompFromOrgAmt | 0 | 0 |
| IRS990/TotalRevenueGrp/ExclusionAmt | 0 | 0 |
| IRS990/TotalRevenueGrp/RelatedOrExemptFuncIncomeAmt | 0 | 16029 |
| IRS990/TotalRevenueGrp/TotalRevenueColumnAmt | 0 | 125042 |
| IRS990/TotalRevenueGrp/UnrelatedBusinessRevenueAmt | 0 | 0 |
| IRS990/TotalVolunteersCnt | 0 | 20 |
| IRS990/TotLiabNetAssetsFundBalanceGrp/BOYAmt | 0 | 96011 |
| IRS990/TotLiabNetAssetsFundBalanceGrp/EOYAmt | 0 | 130047 |
| IRS990/TotReportableCompRltdOrgAmt | 0 | 0 |
| IRS990/TravelGrp/ManagementAndGeneralAmt | 0 | 50 |
| IRS990/TravelGrp/ProgramServicesAmt | 0 | 1851 |
| IRS990/TravelGrp/TotalAmt | 0 | 1901 |
| IRS990/TrnsfrExmptNonChrtblRltdOrgInd | 0 | false |
| IRS990/TypeOfOrganizationCorpInd | 0 | X |
| IRS990/UnrelatedBusIncmOverLimitInd | 0 | false |
| IRS990/UponRequestInd | 0 | X |
| IRS990/VotingMembersGoverningBodyCnt | 0 | 6 |
| IRS990/VotingMembersIndependentCnt | 0 | 6 |
| IRS990/WebsiteAddressTxt | 0 | www.preservationok.org |
| IRS990/WhistleblowerPolicyInd | 0 | false |
| ReturnHeader/BuildTS | 0 | 2025-03-06 01:10:19Z |
| ReturnHeader/BusinessOfficerGrp/DiscussWithPaidPreparerInd | 0 | true |
| ReturnHeader/BusinessOfficerGrp/PersonNm | 0 | SHELLEY BIERSCHANK |
| ReturnHeader/BusinessOfficerGrp/PersonTitleTxt | 0 | Executive Director |
| ReturnHeader/BusinessOfficerGrp/PhoneNum | 0 | 4055255325 |
| ReturnHeader/BusinessOfficerGrp/SignatureDt | 0 | 2025-10-29 |
| ReturnHeader/Filer/BusinessName/BusinessNameLine1Txt | 0 | Preservation Oklahoma Inc |
| ReturnHeader/Filer/BusinessNameControlTxt | 0 | PRES |
| ReturnHeader/Filer/EIN | 0 | 731432918 |
| ReturnHeader/Filer/InCareOfNm | 0 | % Shelley Bierschank |
| ReturnHeader/Filer/PhoneNum | 0 | 4055255325 |
| ReturnHeader/Filer/USAddress/AddressLine1Txt | 0 | 405 NW 15th St |
| ReturnHeader/Filer/USAddress/CityNm | 0 | Oklahoma City |
| ReturnHeader/Filer/USAddress/StateAbbreviationCd | 0 | OK |
| ReturnHeader/Filer/USAddress/ZIPCd | 0 | 731033503 |
| ReturnHeader/IRSResponsiblePrtyInfoCurrInd | 0 | true |
| ReturnHeader/PreparerFirmGrp/PreparerFirmEIN | 0 | 465307002 |
| ReturnHeader/PreparerFirmGrp/PreparerFirmName/BusinessNameLine1Txt | 0 | The Springer Company |
| ReturnHeader/PreparerFirmGrp/PreparerUSAddress/AddressLine1Txt | 0 | PO Box 23343 |
| ReturnHeader/PreparerFirmGrp/PreparerUSAddress/CityNm | 0 | Oklahoma City |
| ReturnHeader/PreparerFirmGrp/PreparerUSAddress/StateAbbreviationCd | 0 | OK |
| ReturnHeader/PreparerFirmGrp/PreparerUSAddress/ZIPCd | 0 | 731232343 |
| ReturnHeader/PreparerPersonGrp/PhoneNum | 0 | 4057530729 |
| ReturnHeader/PreparerPersonGrp/PreparationDt | 0 | 2025-12-03 |
| ReturnHeader/PreparerPersonGrp/PreparerPersonNm | 0 | JEREMIAH R SPRINGER |
| ReturnHeader/ReturnTs | 0 | 2025-12-03T11:19:05-05:00 |
| ReturnHeader/ReturnTypeCd | 0 | 990 |
| ReturnHeader/TaxPeriodBeginDt | 0 | 2024-07-01 |
| ReturnHeader/TaxPeriodEndDt | 0 | 2025-06-30 |
| ReturnHeader/TaxYr | 0 | 2024 |
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