The Vadasz Family Foundation

SONOMA, CA EIN: 77-0469457

The Vadasz Family Foundation is a private foundation established in 1997 and based in Sonoma, California. It operates as a 501(c)(3) organization dedicated to supporting educational institutions, healthcare facilities, and community organizations across multiple states.

Financial Overview

From 2024 IRS Form 990-PF · View filing

Total Assets

$9.1M

-21.5% YoY

Annual Giving

$1.5M

+2.4% YoY

Grant Count

65

+35.4% YoY

Avg Grant Size

$23K

-24.4% YoY

Under IRS private-foundation payout rules, The Vadasz Family Foundation reported a distributable amount of $507K for 2024 — the minimum it must pay out in qualifying distributions.

Research compiled by Grantable AI from public sources. Last updated April 2026.

Mission & Focus Areas

The foundation's giving priorities focus primarily on:

  • Higher education and educational foundations
  • Health care, including medical centers
  • Social and cultural community needs
  • Journalism and creative writing
  • Historic preservation

Grantmaking

Grant Range

s & Activity:**

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Geographic Focus

Where this funder awards grants

The foundation primarily funds organizations in California, New York, and Pennsylvania, with a notable concentration of activity in the Sonoma Valley region.

Grant Distribution by State

6states

Cities

DavisGlen EllenHealdsburgLaplataLos AltosLos Altos HillsLos GatosMountain ViewMouontain ViewNapaNew YorkOaklandPalo AltoPhiladelphiaPiscataway TownshipRocklinRohnert ParkSacramentoSan FranciscoSan Franncisco

Financial History

Multi-year comparison from IRS filings

As of November 2023:

  • Total assets: $11,630,786
  • Total annual giving: $1,523,317
  • Total revenues: $685,519
  • Total expenses: $1,768,880
  • Investment income and dividends: $245,887
  • Net gain from sale of non-inventory assets: $439,632

Staff: The foundation operates with no employees.

Revenue
Expenses
Qualifying Distributions
Net Investment Income
$0$729K$1M$2M$3M20202021202220232024
Metric202420232022
Total Assets$9,128,408$11,630,786$11,809,546
Revenue$719,933$685,519$1,246,598
Expenses$1,794,967$1,768,880$1,470,273
Qualifying Distributions$1,683,997$1,658,153$1,366,102
Net Investment Income$704,453$601,920$1,235,227
Distributable Amount$507,217$545,738$647,199

Giving Over Time

Total grant dollars and number of grants per year

$0$617K$1M$2M$2M49 grants202030 grants202141 grants202248 grants202365 grants2024

Grant Insights

How this funder distributes its grants

Top Recipients

Top 10 recipients in 2024

Sonoma Valley Hospital F…$150KSonoma Valley Education …$145KTranscendence Theatre Co…$133KSonoma Overnight Support$100KVintage House$80KSonoma Valley Mentoring …$70KPlanned Parenthood Mar M…$50KRedwood Empire Food Bank$50KVivo$50KArt Escape$40K

Grant Size Distribution

218 grants across all recorded years

162<$50K34$50–100K19$100–250K2$250–500K$500K–1M1$1–5M$5M+

Giving History

Grant recipients and amounts by year

Among its reported 2024 grants, the largest include Sonoma Valley Hospital Foundation ($150,000), Sonoma Valley Education Foundation ($145,000), Transcendence Theatre Company ($132,600).

RecipientPurposeAmount
Sonoma Valley Museum of Art Sonoma, CAGeneral Support$10,000
SSU Academic Foundation Rohnert Park, CASupport for Green Music Center$10,000
La Luz Center Sonoma, CAFundraising Support$8,000
Boys and Girls Club of Sonoma Valle Sonoma, CASupport for Fundraising Event$15,000
Sonoma Valley Education Foundation Sonoma, CASupport for Sonoma Valley High School Empowerment Academy$25,000
Sonoma Valley Museum of Art Sonoma, CAExhibition Sponsorship$2,750
Sonoma Community Center Sonoma, CASupport for fundraising event$1,120
Vintage House Sonoma, CAGeneral Support$80,000
IEEE Piscataway Township, NJGeneral Support$1,000
Redwood Empire Food Bank Santa Rosa, CAGeneral Support$10,000

Leadership & Key People

Leadership team and compensation from IRS filings

The foundation is led by trustees:

  • Les L Vadasz
  • Judy K Vadasz
  • Jeffrey E Vadasz

Compensation Overview

From 2024 IRS filing

Meghan O BanyonFoundation Mgr.$157K

From 2024 filing

NameTitleHoursCompensation
Les L VadaszDir./Pres.1
Judy K VadaszDir./Treas.1
Jeffrey E VadaszDir./Sect.1
David VadaszDirector1
Meghan O BanyonFoundation Mgr.24$156,646

Recent News & Activity

Recent developments and announcements

The foundation has made significant commitments to local institutions, including a $2 million challenge grant to Sonoma Valley Hospital. The foundation has also demonstrated support for higher education through major investments, including an $8 million investment in McGill University's engineering programs.

Vadasz Family Fund Gives $2 Million Challenge Grant to Hospital

Subject Areas

Focus areas based on grantmaking activity

Frequently Asked Questions

What does The Vadasz Family Foundation fund?

The foundation's giving priorities focus primarily on: • Higher education and educational foundations • Health care, including medical centers • Social and cultural community needs • Journalism and creative writing • Historic preservation

How do I apply for a grant from The Vadasz Family Foundation?

**Grant Sizes & Activity:** • Typical grant awards range from $104,000 to $175,000 • The foundation made 49 grants in 2023, totaling $1,523,317 in annual giving • Recent notable grants include: • $175,000 to KQED (General Support) • $140,000 to Sonoma Valley Education Foundation (General Support) • $140,000 to Sonoma Overnight Support (Food Program and Renovation Support)

Where does The Vadasz Family Foundation make grants?

The foundation primarily funds organizations in California, New York, and Pennsylvania, with a notable concentration of activity in the Sonoma Valley region.

What size grants does The Vadasz Family Foundation award?

In 2024, The Vadasz Family Foundation awarded 65 grants totaling $1.5M — an average of about $23K per grant, based on its IRS Form 990 filings.

How much is The Vadasz Family Foundation required to give away each year?

Private foundations must generally distribute about 5% of their assets annually. For 2024, The Vadasz Family Foundation reported a distributable amount of $507K on its IRS Form 990-PF — the minimum it must pay out in qualifying distributions.

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 2020–2024.

Explore Open Grants

Browse active grant opportunities in The Vadasz Family Foundation's focus areas in our free grants database

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Data last updated June 2026. Sourced from IRS Form 990-PF filings. Research dossier generated April 2026.

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