Nonprofit · EIN 95-4090231
THE WERTHEIMER FOUNDATION
Tax-exempt · SANTA MONICA, CA 90402
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| December 31, 2025 | 990-PF | $84,204 | $143,601 | -$59,397 | $1,150,345 | $0 | $1,150,345 |
| December 31, 2024 | 990-PF | $116,790 | $155,668 | -$38,878 | $1,209,742 | $0 | $1,209,742 |
| December 31, 2023 | 990-PF | $37,050 | $238,661 | -$201,611 | $1,248,620 | $0 | $1,248,620 |
Financial details: 990-PF for the year ended December 31, 2025
Revenue
- Dividends
- $31,571
- Interest
- $9
- Net gain from sales of assets
- $52,624
Expenses
- Grants and similar amounts paid
- $136,100
- Disbursements for charitable purposes
- $138,413
- Excise tax on investment income
- $1,139
Balance sheet and other
- Total assets, start of year
- $1,209,742
- Total assets, end of year
- $1,150,345
- Total liabilities, end of year
- $0
- Net assets, end of year
- $1,150,345
- Fair market value of assets
- $1,281,340
- Qualifying distributions
- $138,413
- Net investment income
- $84,204
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 WERTHEIMER 14191 ALISAL LANE, SANTA MONICA, CA 90402 | SECRETARY | 1 | $0 |
| ELINOR WERTHEIMER 14191 ALISAL LANE, SANTA MONICA, CA 90402 | Secretary | 1 | $0 |
| DOUGLAS WERTHEIMER 14191 ALISAL LANE, SANTA MONICA, CA 90402 | CFO | 1 | $0 |
| THOMAS WERTHEIMER 14191 ALISAL LANE, SANTA MONICA, CA 90402 | President | 1 | $0 |
990-PF for the year ended December 31, 2024: 4 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| SUSAN WERTHEIMER 14191 ALISAL LANE, SANTA MONICA, CA 90402 | SECRETARY | 1 | $0 |
| ELINOR WERTHEIMER 14191 ALISAL LANE, SANTA MONICA, CA 90402 | Secretary | 1 | $0 |
| DOUGLAS WERTHEIMER 14191 ALISAL LANE, SANTA MONICA, CA 90402 | CFO | 1 | $0 |
| THOMAS WERTHEIMER 14191 ALISAL LANE, SANTA MONICA, CA 90402 | President | 1 | $0 |
990-PF for the year ended December 31, 2023: 4 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| SUSAN WERTHEIMER 14191 ALISAL LANE, SANTA MONICA, CA 90402 | SECRETARY | 1 | $0 |
| ELINOR WERTHEIMER 14191 ALISAL LANE, SANTA MONICA, CA 90402 | Secretary | 1 | $0 |
| DOUGLAS WERTHEIMER 14191 ALISAL LANE, SANTA MONICA, CA 90402 | CFO | 1 | $0 |
| THOMAS WERTHEIMER 14191 ALISAL LANE, SANTA MONICA, CA 90402 | President | 1 | $0 |
Address and contacts
- Address (IRS master file)
- 14191 ALISAL LN, SANTA MONICA, CA 90402-1311
- Signed the 990-PF
- THOMAS WERTHEIMER, President
- Phone
- (310) 454-0573
- Return prepared by
- MAH & ASSOCIATES LLP
California records
California keeps its own records of charities and corporations. Search them by EIN 95-4090231 or by the name THE WERTHEIMER 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
- 95-4090231
- 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
- 1987
- Accounting year ends
- December
- Files
- Form 990-PF
- Assets (IRS master file)
- $1,150,345
- Income (IRS master file)
- $308,758
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990-PF | December 2025 | $84,204 | $143,601 | $1,150,345 | IRS |
| 990-PF | December 2024 | $116,790 | $155,668 | $1,209,742 | IRS |
| 990-PF | December 2023 | $37,050 | $238,661 | $1,248,620 | XML |
| 990-PF | December 2022 | – | – | – | IRS |
| 990-PF | December 2021 | – | – | – | IRS |
| 990-PF | December 2020 | – | – | – | 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 95-4090231).
Questions about THE WERTHEIMER FOUNDATION
- What is the EIN of THE WERTHEIMER FOUNDATION?
- The employer identification number (EIN) of THE WERTHEIMER FOUNDATION is 95-4090231.
- Is THE WERTHEIMER FOUNDATION tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1987.
- Are donations to THE WERTHEIMER FOUNDATION tax-deductible?
- Yes. It is listed in IRS Publication 78 (Private foundation, 30% limit).
- Which annual return does THE WERTHEIMER FOUNDATION file?
- Form 990-PF. Private foundations file every year.
- When is the next return of THE WERTHEIMER 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 THE WERTHEIMER 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 THE WERTHEIMER FOUNDATION?
- The 990-PF for the year ended December 31, 2025 lists 4 people; 0 received compensation from the organization.
- How much revenue does THE WERTHEIMER FOUNDATION have?
- On its 990-PF for the year ended December 31, 2025 it reported revenue of $84,204, expenses of $143,601 and total assets of $1,150,345 at year end.
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