Nonprofit · EIN 20-8043517
MARINEAU FAMILY FOUNDATION
Tax-exempt · SAN FRANCISCO, CA 94109
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| December 31, 2025 | 990-PF | $56,748 | $201,179 | -$144,431 | $784,227 | $0 | $784,227 |
| December 31, 2024 | 990-PF | $86,008 | $189,887 | -$103,879 | $928,422 | $0 | $928,422 |
| December 31, 2023 | 990-PF | $93,515 | $296,781 | -$203,266 | $1,032,669 | $0 | $1,032,669 |
Financial details: 990-PF for the year ended December 31, 2025
Revenue
- Contributions, gifts and grants
- $0
- Dividends
- $27,511
- Interest
- $24
- Net gain from sales of assets
- $29,213
Expenses
- Grants and similar amounts paid
- $185,000
- Compensation of officers, directors and key employees
- $0
- Disbursements for charitable purposes
- $189,259
- Excise tax on investment income
- $631
Balance sheet and other
- Total assets, start of year
- $928,422
- Total assets, end of year
- $784,227
- Total liabilities, end of year
- $0
- Net assets, end of year
- $784,227
- Fair market value of assets
- $1,109,938
- Qualifying distributions
- $189,259
- Net investment income
- $56,783
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 |
|---|---|---|---|
| Susan Marineau 1090 Chestnut Street 6, San Francisco, CA 94109 | President & Chief Financial | 1 | $0 |
| Philip Marineau 1090 Chestnut Street 6, San Francisco, CA 94109 | Secretary & Vice President | 1 | $0 |
990-PF for the year ended December 31, 2024: 2 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| Susan Marineau 1090 Chestnut Street 6, San Francisco, CA 94109 | President & Chief Financial | 1 | $0 |
| Philip Marineau 1090 Chestnut Street 6, San Francisco, CA 94109 | Secretary & Vice President | 1 | $0 |
990-PF for the year ended December 31, 2023: 2 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| Susan Marineau 1090 Chestnut Street 6, San Francisco, CA 94109 | President & Chief Financial | 1 | $0 |
| Philip Marineau 1090 Chestnut Street 6, San Francisco, CA 94109 | Secretary & Vice President | 1 | $0 |
Address and contacts
- Address (IRS master file)
- 1090 CHESTNUT STREET 6, SAN FRANCISCO, CA 94109-1230
- In care of
- % WITHUMSMITH BROWN
- Signed the 990-PF
- PHILIP MARINEAU, DIRECTOR
- Phone
- (415) 931-1040
- Return prepared by
- WITHUMSMITHBROWNPC
California records
California keeps its own records of charities and corporations. Search them by EIN 20-8043517 or by the name MARINEAU FAMILY FOUNDATION.
- 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
- 20-8043517
- 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
- 2008
- Accounting year ends
- December
- Files
- Form 990-PF
- Category (NTEE)
- Philanthropy, voluntarism and grantmaking foundations (T20)
- Assets (IRS master file)
- $784,227
- Income (IRS master file)
- $285,899
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990-PF | December 2025 | $56,748 | $201,179 | $784,227 | XML |
| 990-PF | December 2024 | $86,008 | $189,887 | $928,422 | XML |
| 990-PF | December 2023 | $93,515 | $296,781 | $1,032,669 | XML |
| 990-PF | December 2022 | – | – | – | IRS |
| 990-PF | December 2021 | – | – | – | IRS |
| 990-PF | December 2020 | – | – | – | IRS |
| 990-PF | December 2019 | – | – | – | 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 20-8043517).
Questions about MARINEAU FAMILY FOUNDATION
- What is the EIN of MARINEAU FAMILY FOUNDATION?
- The employer identification number (EIN) of MARINEAU FAMILY FOUNDATION is 20-8043517.
- Is MARINEAU FAMILY FOUNDATION tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2008.
- Are donations to MARINEAU FAMILY FOUNDATION tax-deductible?
- Yes. It is listed in IRS Publication 78 (Private foundation, 30% limit).
- Which annual return does MARINEAU FAMILY FOUNDATION file?
- Form 990-PF. Private foundations file every year.
- When is the next return of MARINEAU FAMILY FOUNDATION 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 MARINEAU FAMILY FOUNDATION 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 MARINEAU FAMILY FOUNDATION?
- The 990-PF for the year ended December 31, 2025 lists 2 people; 0 received compensation from the organization.
- How much revenue does MARINEAU FAMILY FOUNDATION have?
- On its 990-PF for the year ended December 31, 2025 it reported revenue of $56,748, expenses of $201,179 and total assets of $784,227 at year end.
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