Dorothea Tuney Foundation
The Dorothea Tuney Foundation is a private foundation based in San Diego, California. In its 2025 filing, it reported 32 grants totaling $24,438 to charitable organizations, including organizations working in education, parks, the arts, public safety, and community services.
Dorothea Tuney Foundation at a glance
In short: Dorothea Tuney Foundation gave $24K across 32 grants in 2025 (avg $763.688), mostly in California. Source: 2025 IRS Form 990-PF.
- Annual giving (2025)
- $24,438
- -38.1% vs 2024
- Grants made (2025)
- 32
- +3100.0% vs 2024
- Average grant
- $764
- -98.1% vs 2024
- Median grant
- $433
- Total assets
- $295,827
- -9.9% vs 2024
- Primary geography
- California (64% of itemized 2025 grant dollars)
- Latest 990 filing
- Form 990-PF, 2025 View filing
Data from IRS Form 990-PF, 2025; updated October 2026.
How to apply to Dorothea Tuney Foundation
- Accepts unsolicited proposals
- No
- How to Apply
-
The foundation makes contributions only to preselected charitable organizations and does not accept unsolicited requests for funds.
- Contact
Mailing address: 1965 Mendocino Blvd, San Diego, CA 92107
Phone: (619) 203-2029
Application details from Grantable's research on the foundation's public materials; confirm on its website before applying.
Who Dorothea Tuney Foundation funds
How this funder distributes its grants
Top Recipients
Top 10 recipients in 2025
The largest 2025 recipient was YMCA of San Diego ($4K). Together the top 10 received $19K.
Grant Size Distribution
60 grants across all recorded years
The most common grant size was under $50K: 57 grants of 60 (95%).
Geographic Focus
Where this funder awards grants
The 2025 filing shows grant dollars going to recipients in California (64%), Florida (17%), Hawaii (12%), New York (7%), and Arizona (1%). These shares are reported as listed.
Grant Distribution by State
Share of 2025 grant dollars across all 32 itemized grants.
Cities
How Dorothea Tuney Foundation gives
- Giving fell 76% from 2022 to 2025. Method
- In 2025 it paid out 321% 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
From 2019 to 2025, annual grant giving ranged from $24K (2025) to $125K (2019). In 2025 it made 32 grants totaling $24K.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| YMCA of San Diego San Diego, CA | General Fund | $4,061 |
| Tony Jannus Distinguished Aviation Society Inc Tampa, FL | General Fund | $3,601 |
| Stone Ranch Elementary Foundation San Diego, CA | Dynamic Learning Community | $3,220 |
| Yosemite Conservancy San Francisco, CA | National Parks | $2,230 |
| Hawaii Food and Wine Festival Honolulu, HI | General Fund | $1,646 |
| The Well Community Church Clovis, CA | General Fund | $1,000 |
| Chula Vista Police Foundation Chula Vista, CA | Grants to the Chula Vista Police Department | $955 |
| Volunteers of Burbank Animal Shelter Burbank, CA | Animal Care | $935 |
| The Playwrights Realm Inc New York, NY | General Fund | $800 |
| T Claude & Gladys B Ryan Family YMCA San Diego, CA | General Fund | $680 |
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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 | $295,827 | $83,981 | $116,538 | $24,438 | 32 | $109,582 | $78,218 | $34,128 |
| 2024 | $328,384 | $78,983 | $142,418 | $39,473 | 1 | $39,473 | $70,498 | $36,213 |
| 2023 | $391,819 | $65,004 | $182,093 | $74,081 | 1 | $74,081 | $57,108 | $37,742 |
| 2022 | $510,864 | $52,852 | $225,594 | $103,839 | 1 | $103,839 | $41,605 | $46,913 |
| 2021 | $692,527 | $113,478 | $256,512 | $112,581 | 25 | $112,581 | $101,147 | $59,589 |
| 2020 | $827,696 | $78,820 | $247,989 | $104,987 | 9 | — | $68,092 | $57,353 |
| 2019 | $996,857 | $69,466 | $271,325 | $125,105 | 17 | — | $55,585 | $69,468 |
Under IRS private-foundation payout rules, Dorothea Tuney Foundation reported a distributable amount of $34K for 2025 — the minimum it must pay out in qualifying distributions.
Research compiled by Grantable AI from public sources. Last updated September 2026.
Mission & Focus Areas
No mission statement for the foundation is provided. Its 2025 grants went to organizations with varied missions. For example, Yonkers Partners in Education says it partners with students to support college readiness, enrollment, and completion; The Playwrights Realm says it supports early-career playwrights; and Cabrillo National Monument Foundation says it supports the monument’s interpretive, educational, and scientific programs.
Grantmaking
In 2025, the foundation reported 32 grants totaling $24,438. Grant amounts ranged from $19 to $4,061, with a median of $432.
Among the larger grants were $4,061 to YMCA of San Diego for its general fund, $3,601 to Tony Jannus Distinguished Aviation Society Inc. for its general fund, $3,220 to Stone Ranch Elementary Foundation for its Dynamic Learning Community, and $2,230 to Yosemite Conservancy for national parks. Other grants included $1,646 to Hawaii Food and Wine Festival for its general fund and $955 to Chula Vista Police Foundation. The latter says its mission is to provide the police department with funding for training, programs, and specialized equipment.
Leadership & Key People
Leadership team and compensation from IRS filings
Tanya Tafolla is listed as trustee on the 2025 filing.
Dorothea Tuney Foundation is led by Tanya Tafolla, Trustee on every filing since 2019 — the only officer listed, and compensated.
Officers on the 2025 filing
Tanya Tafolla
Trustee
On filings since 2019
30 hrs/week
$120K (2019) → $78K (2025)
Data from IRS Form 990 filings, 2019–2025. "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 $78K, to Tanya Tafolla (Trustee).
Frequently asked questions about Dorothea Tuney Foundation
How much does Dorothea Tuney Foundation give each year?
Dorothea Tuney Foundation gave $24K across 32 grants in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $39K across 1 grant.
What is Dorothea Tuney Foundation's typical grant size?
Dorothea Tuney Foundation's median grant in 2025 was $433, and its average grant was $764, across 32 grants on its 2025 IRS Form 990-PF.
Where does Dorothea Tuney Foundation give grants?
Dorothea Tuney Foundation gives mostly in California: 64% of the grant dollars itemized on its 2025 IRS Form 990-PF went to recipients there. The next largest states were Florida (17%) and Hawaii (12%). The most frequent recipient cities were San Diego, CA (12 grants), New York, NY (3 grants), Honolulu, HI (2 grants) and Hawaii National Park, HI (2 grants).
Does Dorothea Tuney Foundation give general operating support?
Yes: 41% of Dorothea Tuney Foundation's 2025 grants with a stated purpose (13 of 32) were for general or operating support, per its 2025 IRS Form 990-PF.
Who are Dorothea Tuney Foundation's largest grantees?
Dorothea Tuney Foundation's largest 2025 grantees include YMCA of San Diego ($4,061), Tony Jannus Distinguished Aviation Society Inc ($3,601) and Stone Ranch Elementary Foundation ($3,220), according to its 2025 IRS Form 990-PF. Together they received 45% of its itemized 2025 grant dollars.
How large is Dorothea Tuney Foundation?
Dorothea Tuney Foundation reported $296K in total assets on its 2025 IRS Form 990-PF. It paid out $110K in qualifying distributions that year, against a required minimum of $34K (roughly 5% of its investment assets).
What does Dorothea Tuney Foundation fund?
No mission statement for the foundation is provided. Its 2025 grants went to organizations with varied missions. See mission & focus areas ↑
How do I apply for a grant from Dorothea Tuney Foundation?
The foundation makes contributions only to preselected charitable organizations and does not accept unsolicited requests for funds. Eligibility and process details are in the grantmaking section of this profile. See how to apply ↑
What is Dorothea Tuney Foundation's EIN?
Dorothea Tuney Foundation's EIN (Employer Identification Number) is 33-6277186. IRS Form 990 filing data is available on this page for 2019–2025.
Does Dorothea Tuney Foundation accept unsolicited proposals?
No, according to Grantable's research on the foundation's published guidelines. See how to apply ↑
Data last updated October 2026. Sourced from IRS Form 990-PF filings. Research dossier generated September 2026.
Data update history
(3)
When this profile's IRS filing data changed on Grantable
- Updated Form 990-PF for fiscal year 2019 (received by the IRS May 26, 2020)
- Added Form 990-PF for fiscal year 2025 (received by the IRS August 13, 2026)
- IRS filings on file for fiscal years 2019–2024
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