Charities United States Arts & Culture Preservation Oklahoma Inc
Preservation Oklahoma Inc logo

Preservation Oklahoma Inc

To preserve the places where Oklahoma history lives.

Oklahoma City, OK EIN 731432918 · IRS Sign up to see website
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84
Integrity Assessment
Strong transparency
84/100 · methodology

About Preservation Oklahoma Inc

Quarterly newsletter sent to over 4500 recipients, disseminating information regarding preservation issues and projects, upcoming workshops, and grants. Maintain and develop the Overholser mansion, a house museum. Well over 5000 visitors annually. Programs and special events held at the museum to promote Oklahoma's history and historic preservation. Special events promoting historic preservation which includes tours, workshops and programming for statewide preservation conferences.

Founded
Headquarters
Oklahoma City, OK
Foundation type
Supporting organization (509(a)(3))
IRS subsection
501(c)(03)
Ruling date
Size
small

Verified certifications

Confirmed against the issuing authority - not self-reported.

IRS Tax-Deductible since 1994

Mission

To preserve the places where Oklahoma history lives.

Focus areas & reach

· What they work on and where
Arts & Culture
Cause tags

How it stacks up against peers

· vs. 8 similar arts & culture in United States
Program spending This charity: 45%
Peer average: 93%
CEO comp as % of revenue This charity: 39.59%
Peer average: 0.48%
Integrity Assessment This charity: 84
Peer average: 93

Red flags

· 1 item
High Executive Pay
Top executive compensation is 39.3% of total expenses ($49,500 of $126,081).

Where every $1 goes

$0.45
Program expenses$0.45 ($66,557)

Common questions

· Auto-generated from filings + methodology

Preservation Oklahoma Inc is a registered arts & culture nonprofit based in Oklahoma City, OK, United States. It is registered with the Internal Revenue Service (IRS). It was founded in 1992 and has been operating for 34 years. Its EIN is 731432918. It has a GiveRadar Integrity Assessment of 84/100 (Strong transparency), indicating well-documented governance, financials, and contact details. The organization reports $125K in annual revenue. 77 officers and directors are publicly disclosed. GiveRadar has identified 1 potential concern.

Preservation Oklahoma Inc has a GiveRadar Integrity Assessment of 84/100. This score combines five components: Registration (20 pts), Financial Transparency (30 pts), Governance (20 pts), Contact Availability (10 pts), and Data Recency (20 pts), with negative adjustments for any red flags. A score of 84 ('Strong transparency') reflects well-documented governance, recent financials, named leadership, and working contact details. For comparison, the average integrity assessment for arts & culture charities in United States is 93/100.

Preservation Oklahoma Inc is located in Oklahoma City, OK, United States. The organization was established in 1992 and has been active for 34 years.

Based on official tax filings, Preservation Oklahoma Inc has $125K in annual revenue. It allocates 45% of expenses to programs and services. This is below the average of 93% for arts & culture charities in United States. Its revenue is below the peer average of $1M. Create a free GiveRadar account to view the complete financial breakdown with year-over-year trends.

Preservation Oklahoma Inc is classified as a Arts & Culture organization, registered in United States. It operates as a Supporting organization (509(a)(3)). By size, it is categorized as a small organization. It has $125K in annual revenue. The organization has 77 disclosed officers and directors.

GiveRadar has identified 1 potential concern for Preservation Oklahoma Inc. Red flags are automatically detected from official data and may include high executive compensation relative to budget, low program spending, or missing financial filings. Red flags do not necessarily mean wrongdoing but indicate areas that may warrant further review before donating.

Preservation Oklahoma Inc has a GiveRadar Integrity Assessment of 84/100 (Strong transparency), which suggests it is a well-documented organization. It is regulated by the IRS. 45% of expenses go to programs. The peer average is 93%. You can donate directly through their official donation page linked on their GiveRadar profile. GiveRadar provides data for research purposes and does not endorse any organization. Always do your own due diligence.

Quarterly newsletter sent to over 4500 recipients, disseminating information regarding preservation issues and projects, upcoming workshops, and grants. Maintain and develop the Overholser mansion, a house museum. Well over 5000 visitors annually. Programs and special events held at the museum to promote Oklahoma's history and historic preservation. Special events promoting historic preservation which includes tours, workshops and programming for statewide preservation conferences. Preservation Oklahoma Inc is classified as a arts & culture organization registered in United States. The organization was founded in 1992.

Among arts & culture charities registered in United States: Preservation Oklahoma Inc's GiveRadar Integrity Assessment of 84/100 is in line with the peer average of 93/100. It allocates 45% of expenses to programs, below the peer average of 93%. Its annual revenue of $125K is below the peer average of $1M.

Yes, donations to Preservation Oklahoma Inc are generally tax-deductible in the United States. Preservation Oklahoma Inc is a 501(c)(3) tax-exempt organization. Its EIN is 731432918, which you can use for tax filing purposes. Donors can typically deduct contributions on their federal income tax return if they itemize deductions. Consult a tax professional for guidance specific to your situation.

Verified against 3 official sources, last refreshed .

Annual revenue
$100K-$1M
45% to programs
Source: IRS 990 (FY2025) why this matters
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Filing history

6 years on file from IRS 990 (FY2025): revenue, expenses, program spending, assets, and liabilities by fiscal year.

Years on record: FY2025, FY2024, FY2023, FY2022, FY2021, FY2020.
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Taxes

Tax-deductibility for donors

Donations may be tax-deductible for residents of United States under local rules. Confirm with the charity directly.

Always confirm tax treatment with the charity directly or your tax advisor before donating.

Leadership

SH
Shelley Bierschank
Executive Director

Officers & trustees (23)

Source: Public filings

AI
Aidan W•••••
Board Member at Large
AI
Aiden W•••••
Director
AS
Ashford T•••••••
Member at Large
AS
Ashford T••••••
Board Member at Large
CA
Carissa S••••••
Director
CH
Chad H•••••••••
Board Member at Large
CH
Chantry B••••
Executive Director
CH
Cherish R••••
Member at Large
DA
Daniel M•••••
Board Member at Large
ER
Erin S•••••••
Board Member at Large
HE
Heather S•••••
Executive Direc
KA
Kay D•••••
Board Member at Large
LI
Linda B••••••
Member at Large
LI
Lisa E••••••
Museum Coordinator
MI
Mike C•••••
Board Member at Large
PA
Pam F••••••
Board Member at Large
RU
Rusty M•••••
Board Member at Large
SA
Sandino T•••••••
Board Member at Large
SA
Sarah J•••••
Board Member at Large
SA
Sarah J•••••
Member at Large
SH
Shelley B•••••••••
Executive Director
ST
Stacy R•••••
Secretary
TO
Tori R•••••
President
Full names, contact details & compensation

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Latest news

From global news sources

No recent news coverage found

News coverage will appear here when articles mention this organization.

Activity timeline

Filings and press mentions, merged

Form filed
$0.1M revenue
FY2025
IRS_990
Form filed
$0.1M revenue
FY2024
IRS_990
Form filed
$0.1M revenue
FY2023
IRS_990
Form filed
$0.2M revenue
FY2022
IRS_990
Form filed
$0.1M revenue
FY2021
IRS_990
Form filed
$0.1M revenue
FY2020
IRS_990

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Peer charities

Other arts & culture in United States, by integrity assessment

Charity Score Revenue Program %
Preservation Oklahoma Inc This page 84 $125,042 45%
Paris Community Theater 93 $316,442 100%
Taylor Music Group 93 $100,949 83%
Chinese Center on Long Island Inc 93 $228,712 100%
Boston Festival Orchestra Inc 93 $215,316 94%
Oregon Arts Watch 93 $304,412 84%
Orchestra Santa Monica 93 $329,123 81%
Methow Music Festival Association 93 $217,431 100%
Border Crossing 93 $261,798 100%

Sources and verification

Refreshed

Registration and legal identity
Internal Revenue Service (IRS) - Tax Exempt Organization Search
Financial filings
IRS Form 990 filings - Fiscal year 2025 most recent on file.
Officers and trustees
Internal Revenue Service (IRS) - Tax Exempt Organization Search - 77 disclosed in the public registry.

Data freshness

Last updated
May 27, 2026
Profile completeness
90%

What we don't know

Honest gaps - our score reflects transparency, not impact

Programs & projects
No named programs listed by the charity
Operating reach
Countries where programs run not specified

Methodology

GiveRadar combines public registry filings, ProPublica Nonprofit Explorer, Charity Navigator, GuideStar, and news archives into a single 0-100 integrity assessment. We don't take a cut of any donation, ever.

Read full methodology

Quick facts about Preservation Oklahoma Inc

What is Preservation Oklahoma Inc?
Preservation Oklahoma Inc is a arts & culture supporting organization (509(a)(3)) based in Oklahoma City, United States. Quarterly newsletter sent to over 4500 recipients, disseminating information regarding preservation issues and projects, upcoming workshops, and grants. Maintain and develop the Overholser mansion, a house museum. Well over 5000 visitors annually. Programs and special events held at the museum to promote Oklahoma's history and historic preservation. Special events promoting historic preservation which includes tours, workshops and programming for statewide preservation conferences.
When was Preservation Oklahoma Inc founded?
Preservation Oklahoma Inc was founded in 1992.
Who leads Preservation Oklahoma Inc?
Shelley Bierschank serves as Executive Director.
Where is Preservation Oklahoma Inc located?
Headquartered in Oklahoma City, United States.
What is Preservation Oklahoma Inc's annual budget?
Annual revenue for fiscal year 2025 is approximately $100K-$1M. 45% of expenses go to program services.
Is Preservation Oklahoma Inc trustworthy?
Preservation Oklahoma Inc has a GiveRadar Integrity Assessment of 84 out of 100 (Strong transparency). The score reflects public-data transparency: registration, financial disclosure, governance, contact details, and how recently data was refreshed. It does not measure program impact.
What is Preservation Oklahoma Inc's registration number?
IRS EIN: 731432918.
What is Preservation Oklahoma Inc's website?
http://www.preservationok.org