Nonprofit · EIN 93-1565366
WILLIAM STEPHEN TELLAM FOUNDATION
Tax-exempt · SAN DIEGO, CA 92131
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| December 31, 2025 | 990-PF | $22,349 | $50,628 | -$28,279 | $256,448 | $0 | $256,448 |
| December 31, 2024 | 990-PF | $108,104 | $5,320 | $102,784 | $287,579 | $0 | $287,579 |
| December 31, 2023 | 990-PF | $200,592 | $16,874 | $183,718 | $183,718 | $0 | $183,718 |
Financial details: 990-PF for the year ended December 31, 2025
Revenue
- Dividends
- $5,577
- Interest
- $7,435
- Net gain from sales of assets
- $9,337
Expenses
- Grants and similar amounts paid
- $45,000
- Compensation of officers, directors and key employees
- $2,835
- Disbursements for charitable purposes
- $50,261
- Excise tax on investment income
- $307
Balance sheet and other
- Total assets, start of year
- $287,579
- Total assets, end of year
- $256,448
- Total liabilities, end of year
- $0
- Net assets, end of year
- $256,448
- Fair market value of assets
- $256,448
- Qualifying distributions
- $50,261
- Net investment income
- $22,349
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 |
|---|---|---|---|
| Warren Magill 11072 Caminito Vista Pacifica, San Diego, CA 92131 | President | 0.5 | $2,835 |
| Kathryn Starr 11072 Caminito Vista Pacifica, San Diego, CA 92131 | Treasurer | 0.5 | $0 |
| Guy Curtis 11072 Caminito Vista Pacifica, San Diego, CA 92131 | Secretary | 0.5 | $0 |
990-PF for the year ended December 31, 2024: 3 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| Warren Magill 11072 Caminito Vista Pacifica, San Diego, CA 92131 | President | 0.5 | $0 |
| Kathryn Starr 11072 Caminito Vista Pacifica, San Diego, CA 92131 | Treasurer | 0.5 | $0 |
| Guy Curtis 11072 Caminito Vista Pacifica, San Diego, CA 92131 | Secretary | 0.5 | $0 |
990-PF for the year ended December 31, 2023: 3 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| Warren Magill 10731 Treena Street Ste 102, San Diego, CA 92131 | President & CEO | 0.5 | $3,375 |
| Kathryn Starr 10731 Treena Street Ste 102, San Diego, CA 92131 | Treasurer | 0.5 | $0 |
| Guy Curtis 10731 Treena Street Ste 102, San Diego, CA 92131 | Secretary | 0.5 | $0 |
Address and contacts
- Address (IRS master file)
- 11072 CAMINITO VISTA PACIFICA, SAN DIEGO, CA 92131-2398
- In care of
- % WARREN MAGILL
- Signed the 990-PF
- Warren Magill, President
- Phone
- (619) 890-5984
- Return prepared by
- Brenda Magill
California records
California keeps its own records of charities and corporations. Search them by EIN 93-1565366 or by the name WILLIAM STEPHEN TELLAM 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
- 93-1565366
- 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
- 2024
- Accounting year ends
- December
- Files
- Form 990-PF
- Category (NTEE)
- Philanthropy, voluntarism and grantmaking foundations (T20)
- Assets (IRS master file)
- $256,448
- Income (IRS master file)
- $122,365
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990-PF | December 2025 | $22,349 | $50,628 | $256,448 | XML |
| 990-PF | December 2024 | $108,104 | $5,320 | $287,579 | IRS |
| 990-PF | December 2023 | $200,592 | $16,874 | $183,718 | XML |
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 93-1565366).
Questions about WILLIAM STEPHEN TELLAM FOUNDATION
- What is the EIN of WILLIAM STEPHEN TELLAM FOUNDATION?
- The employer identification number (EIN) of WILLIAM STEPHEN TELLAM FOUNDATION is 93-1565366.
- Is WILLIAM STEPHEN TELLAM FOUNDATION tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2024.
- Are donations to WILLIAM STEPHEN TELLAM FOUNDATION tax-deductible?
- Yes. It is listed in IRS Publication 78 (Private foundation, 30% limit).
- Which annual return does WILLIAM STEPHEN TELLAM FOUNDATION file?
- Form 990-PF. Private foundations file every year.
- When is the next return of WILLIAM STEPHEN TELLAM 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 WILLIAM STEPHEN TELLAM 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 WILLIAM STEPHEN TELLAM FOUNDATION?
- The 990-PF for the year ended December 31, 2025 lists 3 people; 1 received compensation from the organization, the highest $2,835 (Warren Magill, President).
- How much revenue does WILLIAM STEPHEN TELLAM FOUNDATION have?
- On its 990-PF for the year ended December 31, 2025 it reported revenue of $22,349, expenses of $50,628 and total assets of $256,448 at year end.
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