The Vadasz Family Foundation
The Vadasz Family Foundation is a private foundation based in Sonoma, California. Its 2025 grants supported organizations working in areas including hospital fundraising, food access, education, the arts, youth mentoring, and community programs.
The Vadasz Family Foundation at a glance
In short: The Vadasz Family Foundation gave $1.6M across 54 grants in 2025 (avg $29K), mostly in California. 6% of 2025 grantees were new. Source: 2025 IRS Form 990-PF.
- Annual giving (2025)
- $1,588,393
- +4.3% vs 2024
- Grants made (2025)
- 54
- -16.9% vs 2024
- Average grant
- $29,415
- +25.5% vs 2024
- Median grant
- $10,000
- Total assets
- $9,427,429
- +3.3% vs 2024
- New grantees (estimate)
- 6% first-time grantees (2 of 36, 2025)
- 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 October 2026. New grantees are estimated by matching recipient names across years (methodology).
How to apply to The Vadasz Family Foundation
- Accepts unsolicited proposals
- No
- How to Apply
-
The foundation states that it makes contributions only to preselected charitable organizations and does not accept unsolicited requests for funds.
- Contact
Mailing address: PO Box 1347, Sonoma, CA 95476
Phone: (707) 938-3014
Application details from Grantable's research on the foundation's public materials; confirm on its website before applying.
Who The Vadasz Family Foundation funds
How this funder distributes its grants
Top Recipients
Top 10 recipients in 2025
The largest 2025 recipient was Sonoma Valley Education Foundation ($297K across 5 grants). Together the top 10 received $1.2M.
Grant Size Distribution
238 grants across all recorded years
The most common grant size was under $50K: 180 grants of 238 (76%).
Geographic Focus
Where this funder awards grants
All grant dollars in 2025 went to recipients in California.
Grant Distribution by State
Share of 2025 grant dollars across all 54 itemized grants.
Cities
Is The Vadasz Family Foundation open to new grantees?
6%
first-time grantees, 2025
In 2025, 2 of 36 grantees (6%) were first-time recipients. First grants averaged $80K; repeat grants $42K. How we count
Medians: $80K first-time, $17K repeat.
- 81% of 2025 grantees were also funded in 2024. Method
- Giving grew 30% from 2022 to 2025. Method
- In 2025 it paid out 428% of its IRS minimum distribution (the 5% rule). Method
Estimate from itemized grant lists in IRS Form 990-PF filings (2019–2025). Recipient names are matched across years, so a renamed or misspelled grantee can look new; grants to individuals are left out. Methodology.
Giving History
Giving Over Time
Total grant dollars and number of grants per year
From 2019 to 2025, annual grant giving ranged from $1.2M (2022) to $2.5M (2020). In 2025 it made 54 grants totaling $1.6M.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| Sonoma Valley Hospital Foundation Sonoma, CA | General Support | $150,000 |
| Sonoma Family Meal Petaluma, CA | General Support | $150,000 |
| Sonoma Valley Education Foundation Sonoma, CA | General Support | $143,000 |
| Transcendence Theatre Company Sonoma, CA | General Support | $132,000 |
| Sonoma Valley Education Foundation Sonoma, CA | General Support | $120,000 |
| Boys and Girls Club of Sonoma Valle Sonoma, CA | Support for Teen Services | $100,000 |
| Sonoma Valley Mentoring Alliance Sonoma, CA | General Support | $70,000 |
| Redwood Empire Food Bank Santa Rosa, CA | General Support | $50,000 |
| Jack London Park Partners Glen Ellen, CA | JLPP Education Support | $50,000 |
| Planned Parenthood Mar Monte San Jose, CA | Education Program Support | $50,000 |
Ready to take the next step with The Vadasz Family Foundation?
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 | $9,427,429 | $777,745 | $1,870,576 | $1,588,393 | 54 | $1,755,913 | $764,078 | $410,474 |
| 2024 | $9,128,408 | $719,933 | $1,794,967 | $1,523,317 | 65 | $1,683,997 | $704,453 | $507,217 |
| 2023 | $11,630,786 | $685,519 | $1,768,880 | $1,487,069 | 48 | $1,658,153 | $601,920 | $545,738 |
| 2022 | $11,809,546 | $1,246,598 | $1,470,273 | $1,226,091 | 41 | $1,366,102 | $1,235,227 | $647,199 |
| 2021 | $15,205,131 | $1,107,934 | $1,864,554 | $1,675,440 | 30 | — | $1,093,860 | $760,335 |
| 2020 | $14,698,373 | $1,252,588 | $2,650,565 | $2,469,800 | 49 | — | $1,237,828 | $738,905 |
| 2019 | $16,743,703 | $1,114,038 | $2,495,712 | $2,310,439 | 59 | — | $1,097,463 | $788,600 |
Under IRS private-foundation payout rules, The Vadasz Family Foundation reported a distributable amount of $410K 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
The foundation’s filings list grants to organizations whose work spans several fields. For example, Sonoma Valley Hospital Foundation says it raises funds for Sonoma Valley Hospital, while Sonoma Family Meal says it provides culinary job training, emergency meals, and support for the local food ecosystem. Sonoma Valley Education Foundation describes its work as enriching teaching, inspiring learning, and advancing programs to help students succeed. Transcendence Theatre Company describes itself as a performing arts organization combining health and wellness with the arts.
Other 2025 recipients include Sonoma Valley Mentoring Alliance, which says it helps young people build strong relationships and access opportunities; Redwood Empire Food Bank, which says it works to feed neighbors in need and end hunger; and an individual recipient, which describes five components, including a festival, a students day, and virtual programming.
Grantmaking
In 2025, the foundation made 54 grants totaling $1,588,393. Grants ranged from $500 to $150,000, with a median of $10,000. Among the largest grants were $150,000 each to Sonoma Valley Hospital Foundation and Sonoma Family Meal; $143,000 and $120,000 to Sonoma Valley Education Foundation; and $132,000 to Transcendence Theatre Company. Other notable grants included $100,000 to Boys and Girls Club of Sonoma Valle, $70,000 to Sonoma Valley Mentoring Alliance, and $50,000 each to Redwood Empire Food Bank, Jack London Park Partners, Planned Parenthood Mar Monte, Vivo, and an individual recipient
Leadership & Key People
Leadership team and compensation from IRS filings
The 2025 filing lists Les L Vadasz as director and president, Judy K Vadasz as director and treasurer, David Vadasz as director, and Meghan O Banyon as foundation manager.
The Vadasz Family Foundation is led by Les L Vadasz, Director & President on every filing since 2019; 1 of 4 officers listed in 2025 is compensated.
Officers on the 2025 filing
Les L Vadasz
Director & President
On filings since 2019
1 hr/week
No compensation reported
David Vadasz
Director
On filings since 2019
1 hr/week
No compensation reported
Judy K Vadasz
Director & Treasurer
On filings since 2019
1 hr/week
No compensation reported
Meghan O Banyon
Foundation Manager
On filings since 2019
24 hrs/week
$87K (2019) → $145K (2025)
Former officers (1)
- Former: Jeffrey E Vadasz (2019–2024) — Director & Secretary
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 $145K, to Meghan O Banyon (Foundation Mgr.).
Frequently asked questions about The Vadasz Family Foundation
How much does The Vadasz Family Foundation give each year?
The Vadasz Family Foundation gave $1.6M across 54 grants in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $1.5M across 65 grants.
What is The Vadasz Family Foundation's typical grant size?
The Vadasz Family Foundation's median grant in 2025 was $10,000, and its average grant was $29,415, across 54 grants on its 2025 IRS Form 990-PF. Organizations receiving their first grant from The Vadasz Family Foundation that year got $80K on average.
Where does The Vadasz Family Foundation give grants?
The Vadasz Family Foundation gives mostly in California: 100% of the grant dollars itemized on its 2025 IRS Form 990-PF went to recipients there. The most frequent recipient cities were Sonoma, CA (32 grants), San Francisco, CA (8 grants), Glen Ellen, CA (3 grants) and San Jose, CA (2 grants).
Does The Vadasz Family Foundation give general operating support?
Yes: 72% of The Vadasz Family Foundation's 2025 grants with a stated purpose (39 of 54) were for general or operating support, per its 2025 IRS Form 990-PF. Recurring purposes include "Fundraising Support" (3 grants) and "JLPP Education Support" (3 grants).
Who are The Vadasz Family Foundation's largest grantees?
The Vadasz Family Foundation's largest 2025 grantees include Sonoma Valley Education Foundation ($297,000 across 5 grants), Sonoma Valley Hospital Foundation ($157,153 across 3 grants) and Sonoma Family Meal ($150,000), according to its 2025 IRS Form 990-PF. Together they received 38% of its itemized 2025 grant dollars.
How large is The Vadasz Family Foundation?
The Vadasz Family Foundation reported $9.4M in total assets on its 2025 IRS Form 990-PF. It paid out $1.8M in qualifying distributions that year, against a required minimum of $410K (roughly 5% of its investment assets).
What does The Vadasz Family Foundation fund?
The foundation’s filings list grants to organizations whose work spans several fields. See mission & focus areas ↑
How do I apply for a grant from The Vadasz Family Foundation?
The foundation states that it 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 The Vadasz Family Foundation's EIN?
The Vadasz Family Foundation's EIN (Employer Identification Number) is 77-0469457. IRS Form 990 filing data is available on this page for 2019–2025.
Does The Vadasz Family 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
(7)
When this profile's IRS filing data changed on Grantable
- Updated Form 990-PF for fiscal year 2024 (received by the IRS July 17, 2025)
- Updated Form 990-PF for fiscal year 2025 (received by the IRS May 1, 2026)
- Added Form 990-PF for fiscal year 2019 (received by the IRS February 25, 2020)
- Updated Form 990-PF for fiscal year 2020 (received by the IRS March 5, 2021)
- Updated Form 990-PF for fiscal year 2021 (received by the IRS April 13, 2022)
- Updated Form 990-PF for fiscal year 2022 (received by the IRS April 13, 2023)
- Updated Form 990-PF for fiscal year 2023 (received by the IRS August 13, 2024)
Live grants for the work The Vadasz Family Foundation funds
Philanthropy, Voluntarism & Grantmaking Open opportunities, soonest deadline first.
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Browse active grant opportunities in The Vadasz Family Foundation's focus areas in our free grants database
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Cite this profile
Grantable. (2026). The Vadasz Family Foundation funder profile. GrantGraph. Retrieved October 17, 2026, from https://grantable.co/funders/the-vadasz-family-foundation-morg_e922f207d1b94d0aaa06a2a52cbe3d53
BibTeX
@misc{grantable_770469457_2026,
author = {{Grantable}},
title = {{The Vadasz Family Foundation funder profile}},
howpublished = {GrantGraph},
year = {2026},
url = {https://grantable.co/funders/the-vadasz-family-foundation-morg_e922f207d1b94d0aaa06a2a52cbe3d53},
note = {Accessed 2026-10-17. Data licensed CC BY 4.0}
}The figures on this page are open data under CC BY 4.0: reuse them with credit to Grantable and a link. Download the data.
Figures come from The Vadasz Family Foundation's IRS filings (methodology). AI-written summaries, news items and logos are not covered by the open licence. Spot an error? Email hello@grantable.co.
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