Nonprofit · EIN 77-0391113
MARY OAKLEY FOUNDATION INC
Tax-exempt · THOUSAND OAKS, CA 91362
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| December 31, 2025 | 990-PF | $676,743 | $725,246 | -$48,503 | $14,427,838 | $0 | $14,427,838 |
| December 31, 2024 | 990-PF | $591,136 | $946,710 | -$355,574 | $13,927,423 | $0 | $13,927,423 |
| December 31, 2023 | 990-PF | $552,388 | $973,269 | -$420,881 | $14,344,873 | $0 | $14,344,873 |
Financial details: 990-PF for the year ended December 31, 2025
Revenue
- Dividends
- $555,324
- Net rental income
- $207,615
- Net gain from sales of assets
- -$91,281
Expenses
- Grants and similar amounts paid
- $633,666
- Compensation of officers, directors and key employees
- $0
- Disbursements for charitable purposes
- $675,855
- Excise tax on investment income
- $9,645
Balance sheet and other
- Total assets, start of year
- $13,927,423
- Total assets, end of year
- $14,427,838
- Total liabilities, end of year
- $0
- Net assets, end of year
- $14,427,838
- Fair market value of assets
- $17,684,379
- Qualifying distributions
- $675,855
- Net investment income
- $733,369
From the e-filed returns the IRS publishes as XML (latest three processing years; amended returns replace the original). PDF copies at the IRS.
Officers, directors and key employees
As listed on the 990-PF for the year ended December 31, 2025, highest compensation first.
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| WILLIAM C STIVELMAN MD 494 TWIN OAKS CT, THOUSAND OAKS, CA 913623166 | CEO/MEDICAL DIRECTOR | 12 | $0 |
| DAVID TROXEL MPH 494 TWIN OAKS CT, THOUSAND OAKS, CA 913623166 | VICE PRESIDENT | 2 | $0 |
| DYLAN A GANS 494 TWIN OAKS CT, THOUSAND OAKS, CA 913623166 | SECRETARY/TREASURER | 2 | $0 |
990-PF for the year ended December 31, 2024: 3 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| WILLIAM C STIVELMAN MD 494 TWIN OAKS CT, THOUSAND OAKS, CA 913623166 | CEO/MEDICAL DIRECTOR | 12 | $0 |
| DAVID TROXEL MPH 494 TWIN OAKS CT, THOUSAND OAKS, CA 913623166 | VICE PRESIDENT | 2 | $0 |
| DYLAN A GANS 494 TWIN OAKS CT, THOUSAND OAKS, CA 913623166 | SECRETARY/TREASURER | 2 | $0 |
990-PF for the year ended December 31, 2023: 3 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| WILLIAM C STIVELMAN MD 494 TWIN OAKS CT, THOUSAND OAKS, CA 913623166 | CEO/MEDICAL DIRECTOR | 12 | $0 |
| DAVID TROXEL MPH 494 TWIN OAKS CT, THOUSAND OAKS, CA 913623166 | VICE PRESIDENT | 2 | $0 |
| DYLAN A GANS 494 TWIN OAKS CT, THOUSAND OAKS, CA 913623166 | SECRETARY | 2 | $0 |
Address and contacts
- Address (IRS master file)
- 494 TWIN OAKS CT, THOUSAND OAKS, CA 91362-3166
- In care of
- % WILLIAM C STIVELMAN MD
- Signed the 990-PF
- WILLIAM C STIVELMAN MD, CEO/MEDICAL DIRECTOR
- Phone
- (805) 494-5137
- Website
- MARYOAKLEYFOUNDATION.ORG
- Return prepared by
- BAKER TILLY ADVISORY GROUP LP
California records
California keeps its own records of charities and corporations. Search them by EIN 77-0391113 or by the name MARY OAKLEY FOUNDATION INC.
- Attorney General, Registry of Charities and Fundraisers
- Registration status and filed reports (CT-TR-1, RRF-1)
- Secretary of State, bizfile Online
- Corporation status, entity number, agent for service
- Franchise Tax Board
- Entity status letter (state tax exemption, good standing)
What it must file and when
IRS records say it files Form 990-PF. Private foundations file every year. Its accounting year ends in December, so each return is due on the 15th day of the 5th month after that.
| Tax year | Year ended | Due | IRS public records |
|---|---|---|---|
| 2025 | December 31, 2025 | May 15, 2026 | 990-PF on file |
| 2024 | December 31, 2024 | May 15, 2025 | 990-PF on file |
| 2023 | December 31, 2023 | May 15, 2024 | 990-PF on file |
IRS record
- EIN
- 77-0391113
- Tax-exempt status
- 501(c)(3): Charitable, religious, educational or scientific organization
- Foundation status
- Private non-operating foundation
- Donations deductible (Pub 78)
- Private foundation, 30% limit
- Exempt since
- 1995
- Accounting year ends
- December
- Files
- Form 990-PF
- Category (NTEE)
- Philanthropy, voluntarism and grantmaking foundations (T99Z)
- Assets (IRS master file)
- $14,427,838
- Income (IRS master file)
- $2,425,028
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990-PF | December 2025 | $676,743 | $725,246 | $14,427,838 | XML |
| 990-PF | December 2024 | $591,136 | $946,710 | $13,927,423 | IRS |
| 990-PF | December 2023 | $552,388 | $973,269 | $14,344,873 | XML |
| 990-PF | December 2022 | – | – | – | IRS |
| 990-PF | December 2021 | – | – | – | IRS |
| 990-PF | December 2020 | – | – | – | IRS |
| 990-PF | December 2018 | – | – | – | IRS |
990-N: the IRS bulk file holds only the latest e-Postcard per organization; earlier years come from archived copies of that file since 2020 and can have gaps (the IRS e-Postcard search lists every one). 990, 990-EZ, 990-PF, 990-T: every e-filed return in the IRS e-file index since 2019; XML for the latest three processing years, amounts from the IRS Statistics of Income extracts before that. PDF copies and determination letters at the IRS (search EIN 77-0391113).
Questions about MARY OAKLEY FOUNDATION INC
- What is the EIN of MARY OAKLEY FOUNDATION INC?
- The employer identification number (EIN) of MARY OAKLEY FOUNDATION INC is 77-0391113.
- Is MARY OAKLEY FOUNDATION INC tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1995.
- Are donations to MARY OAKLEY FOUNDATION INC tax-deductible?
- Yes. It is listed in IRS Publication 78 (Private foundation, 30% limit).
- Which annual return does MARY OAKLEY FOUNDATION INC file?
- Form 990-PF. Private foundations file every year.
- When is the next return of MARY OAKLEY FOUNDATION INC due?
- The return for tax year 2026 (the year ending December 31, 2026) is due May 17, 2027. Form 8868 extends it by six months; the 990-N cannot be extended.
- When did MARY OAKLEY FOUNDATION INC last file with the IRS?
- The latest return in the IRS public files is the 990-PF for the year ended December 2025.
- Who are the officers and directors of MARY OAKLEY FOUNDATION INC?
- The 990-PF for the year ended December 31, 2025 lists 3 people; 0 received compensation from the organization.
- How much revenue does MARY OAKLEY FOUNDATION INC have?
- On its 990-PF for the year ended December 31, 2025 it reported revenue of $676,743, expenses of $725,246 and total assets of $14,427,838 at year end.
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