Nonprofit · EIN 84-4212818
THORNTON FOUNDATION DELAWARE
Tax-exempt · SAN MARINO, CA 91108
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| December 31, 2025 | 990-PF | $2,267,872 | $4,658,271 | -$2,390,399 | $92,964,069 | -$1,785 | $92,965,854 |
| December 31, 2024 | 990-PF | $57,828,302 | $3,840,285 | $53,988,017 | $92,268,794 | $0 | $92,268,794 |
| December 31, 2023 | 990-PF | $632,846 | $3,733,196 | -$3,100,350 | $63,228,959 | $0 | $63,228,959 |
Financial details: 990-PF for the year ended December 31, 2025
Revenue
- Dividends
- $2,572,935
- Interest
- $1,439,288
- Net gain from sales of assets
- -$1,811,037
- Other income
- $66,686
Expenses
- Grants and similar amounts paid
- $4,027,000
- Compensation of officers, directors and key employees
- $116,667
- Disbursements for charitable purposes
- $4,175,998
- Excise tax on investment income
- $54,780
Balance sheet and other
- Total assets, start of year
- $92,268,794
- Total assets, end of year
- $92,964,069
- Total liabilities, end of year
- -$1,785
- Net assets, end of year
- $92,965,854
- Fair market value of assets
- $148,723,329
- Qualifying distributions
- $4,175,998
- Net investment income
- $4,008,157
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 |
|---|---|---|---|
| JOHN MEYERS 1220 VIRGINIA ROAD, SAN MARINO, CA 91108 | PRESIDENT | 40 | $116,667 |
| CHARLES B THORNTON 1220 VIRGINIA ROAD, SAN MARINO, CA 91108 | CHAIRMAN OF THE BOARD | 0 | $0 |
| GENEVA H THORNTON 1220 VIRGINIA ROAD, SAN MARINO, CA 91108 | SECRETARY | 0 | $0 |
| ROBERT L ZUBER 1220 VIRGINIA ROAD, SAN MARINO, CA 91108 | CFO | 0 | $0 |
| BETTE P COOK 1220 VIRGINIA ROAD, SAN MARINO, CA 91108 | SECRETARY | 0 | $0 |
990-PF for the year ended December 31, 2024: 4 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| CHARLES B THORNTON 1220 VIRGINIA ROAD, SAN MARINO, CA 91108 | PRESIDENT | 0 | $0 |
| GENEVA H THORNTON 1220 VIRGINIA ROAD, SAN MARINO, CA 91108 | SECRETARY | 0 | $0 |
| ROBERT L ZUBER 1220 VIRGINIA ROAD, SAN MARINO, CA 91108 | CFO | 0 | $0 |
| BETTE P COOK 1220 VIRGINIA ROAD, SAN MARINO, CA 91108 | SECRETARY | 0 | $0 |
990-PF for the year ended December 31, 2023: 4 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| CHARLES B THORNTON 1220 VIRGINIA ROAD, SAN MARINO, CA 91108 | PRESIDENT | 0 | $0 |
| GENEVA H THORNTON 1220 VIRGINIA ROAD, SAN MARINO, CA 91108 | SECRETARY | 0 | $0 |
| ROBERT L ZUBER 1220 VIRGINIA ROAD, SAN MARINO, CA 91108 | CFO | 0 | $0 |
| BETTE P COOK 1220 VIRGINIA ROAD, SAN MARINO, CA 91108 | SECRETARY | 0 | $0 |
Address and contacts
- Address (IRS master file)
- 1220 VIRGINIA RD, SAN MARINO, CA 91108-1054
- Signed the 990-PF
- ROBERT L ZUBER, CFO
- Phone
- (626) 795-8604
- Return prepared by
- EAG PASADENA LLC
California records
California keeps its own records of charities and corporations. Search them by EIN 84-4212818 or by the name THORNTON FOUNDATION DELAWARE.
- 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
- 84-4212818
- 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
- 2020
- Accounting year ends
- December
- Files
- Form 990-PF
- Category (NTEE)
- Philanthropy, voluntarism and grantmaking foundations (T20)
- Assets (IRS master file)
- $92,964,069
- Income (IRS master file)
- $6,626,487
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990-PF | December 2025 | $2,267,872 | $4,658,271 | $92,964,069 | IRS |
| 990-T | December 2025 | – | – | – | IRS |
| 990-PF | December 2024 | $57,828,302 | $3,840,285 | $92,268,794 | XML |
| 990-T | December 2024 | – | – | – | IRS |
| 990-PF | December 2023 | $632,846 | $3,733,196 | $63,228,959 | XML |
| 990-T | December 2023 | – | – | – | IRS |
| 990-PF | December 2022 | – | – | – | IRS |
| 990-T | December 2022 | – | – | – | IRS |
| 990-PF | December 2021 | – | – | – | IRS |
| 990-PF | December 2020 | – | – | – | IRS |
| 990-T | 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 84-4212818).
Questions about THORNTON FOUNDATION DELAWARE
- What is the EIN of THORNTON FOUNDATION DELAWARE?
- The employer identification number (EIN) of THORNTON FOUNDATION DELAWARE is 84-4212818.
- Is THORNTON FOUNDATION DELAWARE tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2020.
- Are donations to THORNTON FOUNDATION DELAWARE tax-deductible?
- Yes. It is listed in IRS Publication 78 (Private foundation, 30% limit).
- Which annual return does THORNTON FOUNDATION DELAWARE file?
- Form 990-PF. Private foundations file every year.
- When is the next return of THORNTON FOUNDATION DELAWARE 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 THORNTON FOUNDATION DELAWARE 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 THORNTON FOUNDATION DELAWARE?
- The 990-PF for the year ended December 31, 2025 lists 5 people; 1 received compensation from the organization, the highest $116,667 (JOHN MEYERS, PRESIDENT).
- How much revenue does THORNTON FOUNDATION DELAWARE have?
- On its 990-PF for the year ended December 31, 2025 it reported revenue of $2,267,872, expenses of $4,658,271 and total assets of $92,964,069 at year end.
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All nonprofits in SAN MARINO · California · Philanthropy, voluntarism and grantmaking foundations