William Stephen Tellam Foundation
William Stephen Tellam Foundation is a private foundation, based in San Diego, CA. IRS filing data is available from 2023 through 2025. As of 2025, the organization holds $256K in total assets. In 2025, it awarded 3 grants totaling $45K. Net investment income was $22K.
William Stephen Tellam Foundation at a glance
In short: William Stephen Tellam Foundation gave $45K across 3 grants in 2025 (avg $15K), mostly in California. Source: 2025 IRS Form 990-PF.
- Annual giving (2025)
- $45,000
- Grants made (2025)
- 3
- Average grant
- $15,000
- Median grant
- $15,000
- Total assets
- $256,448
- -10.8% vs 2024
- Primary geography
- California (100% of itemized 2025 grant dollars)
- Latest 990 filing
- Form 990-PF, 2025 View filing
Data from IRS Form 990-PF, 2025; updated September 2026.
Who William Stephen Tellam Foundation funds
How this funder distributes its grants
Top Recipients
Top 3 recipients in 2025
The largest 2025 recipient was Coastal Roots Farm ($20K). Together the top 3 received $45K.
Grant Size Distribution
3 grants across all recorded years
The most common grant size was under $50K: 3 grants of 3 (100%).
Geographic Focus
Where this funder awards grants
Grant Distribution by State
Share of 2025 grant dollars across all 3 itemized grants.
States
Cities
How William Stephen Tellam Foundation gives
- In 2025 it paid out 373% of its IRS minimum distribution (the 5% rule). Method
From the foundation's IRS Form 990-PF filings. Methodology.
Giving History
Giving Over Time
Total grant dollars and number of grants per year
In 2025 it made 3 grants totaling $45K.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| Coastal Roots Farm Encinitas, CA | General Operations | $20,000 |
| Don Diego Foundation Del Mar, CA | General Operations | $15,000 |
| Heart & Hooves Therapy Ramona, CA | General Operations | $10,000 |
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Financial History
Multi-year comparison from IRS filings
| Filing year | Total Assets | Revenue | Expenses | Grants paid | Grants | Qualifying Distributions | Net Investment Income | Distributable Amount |
|---|---|---|---|---|---|---|---|---|
| 2025 | $256,448 | $22,349 | $50,628 | $45,000 | 3 | $50,261 | $22,080 | $13,461 |
| 2024 | $287,579 | $108,104 | $5,320 | — | — | $5,312 | $7,016 | $9,401 |
| 2023 | $183,718 | $200,592 | $16,874 | — | — | $16,874 | $592 | $1,936 |
Under IRS private-foundation payout rules, William Stephen Tellam Foundation reported a distributable amount of $13K for 2025 — the minimum it must pay out in qualifying distributions.
Leadership & Key People
Officers and directors from IRS filings
William Stephen Tellam Foundation is led by Warren Magill, President since 2024 (on filings since 2023); 1 of 3 officers listed in 2025 is compensated.
Officers on the 2025 filing
Warren Magill
President
President & CEO → President, 2024
On filings since 2023
0.5 hrs/week
$3K (2023) → $3K (2025)
Guy Curtis
Secretary
On filings since 2023
0.5 hrs/week
No compensation reported
Kathryn Starr
Treasurer
On filings since 2023
0.5 hrs/week
No compensation reported
Data from IRS Form 990 filings, 2023–2025. "On filings since" is the earliest filing we hold that lists the person; hours are average hours per week as reported.
Compensation Overview
From 2025 IRS filing
The highest reported compensation on the 2025 filing was $3K, to Warren Magill (President).
Frequently asked questions about William Stephen Tellam Foundation
How much does William Stephen Tellam Foundation give each year?
William Stephen Tellam Foundation gave $45K across 3 grants in 2025, according to its 2025 IRS Form 990-PF.
What is William Stephen Tellam Foundation's typical grant size?
William Stephen Tellam Foundation's median grant in 2025 was $15,000, and its average grant was $15,000, across 3 grants on its 2025 IRS Form 990-PF.
Where does William Stephen Tellam Foundation give grants?
William Stephen Tellam Foundation gives mostly in California: 100% of the grant dollars itemized on its 2025 IRS Form 990-PF went to recipients there.
Does William Stephen Tellam Foundation give general operating support?
Yes: 100% of William Stephen Tellam Foundation's 2025 grants with a stated purpose (3 of 3) were for general or operating support, per its 2025 IRS Form 990-PF.
How large is William Stephen Tellam Foundation?
William Stephen Tellam Foundation reported $256K in total assets on its 2025 IRS Form 990-PF. It paid out $50K in qualifying distributions that year, against a required minimum of $13K (roughly 5% of its investment assets).
What is William Stephen Tellam Foundation's EIN?
William Stephen Tellam Foundation's EIN (Employer Identification Number) is 93-1565366. IRS Form 990 filing data is available on this page for 2023–2025.
Data last updated September 2026. Sourced from IRS Form 990-PF filings.
Data update history
(4)
When this profile's IRS filing data changed on Grantable
- Updated Form 990-PF for fiscal year 2023 (received by the IRS August 26, 2024)
- Updated Form 990-PF for fiscal year 2024 (received by the IRS May 13, 2025)
- Updated Form 990-PF for fiscal year 2025 (received by the IRS April 15, 2026)
- IRS filings on file for fiscal years 2023–2025
Live grants for the work William Stephen Tellam Foundation funds
Philanthropy, Voluntarism & Grantmaking Open opportunities, soonest deadline first.
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