Funding search · EIN 770469457 · Sonoma, CA
The Vadasz Family Foundation
A private foundation (files IRS Form 990-PF). Most private foundations do not take unsolicited applications; the route in is usually a program officer.
- 202
- grants reported
- $5.7M
- total given
- 2021–2024
- filing years
- $10,000
- median grant
Based on grants this organization reported to the IRS for tax years 2021–2024. This is what they filed, not a complete record of their giving, and recent years may be incomplete because filings lag.
What they fund
Full IRS filings ↗How this is builtReport an error
Funding pattern
What this funder pays for, at what size, and how to position adjacent work. Read from their filings, with every number checked against the record.
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Top recipients
Repeat recipients are the strongest signal of whether a funder has an open door or quietly re-funds the same organizations.
- Sonoma Valley Education Foundation14 grants · $828,000
- Transcendence Theatre Company8 grants · $514,600
- Boys and Girls Club of Sonoma Valle8 grants · $476,656
- Sonoma Valley Hospital Foundation8 grants · $371,653
- Kqed2 grants · $350,000
- Sonoma Overnight Support3 grants · $330,000
- Sonoma Valley Mentoring Alliance4 grants · $280,000
- Sonoma Valley Authors Festival6 grants · $211,500
- Sonoma Community Center12 grants · $205,700
- Planned Parenthood Mar Monte4 grants · $200,000
Giving over time
Grant history
The 100 largest of 202 grants.
- $175,000
Kqed · San Francisco, CA · 2022
General Support
- $175,000
Kqed · San Francisco, CA · 2021
General Support
- $150,000
Sonoma Family Meal · Petaluma, CA · 2024
General Support
- $150,000
Sonoma Valley Hospital Foundation · Sonoma, CA · 2024
General Support
- $150,000
Sonoma Valley Hospital Foundation · Sonoma, CA · 2023
General Support
- $145,000
Sonoma Valley Education Foundation · Sonoma, CA · 2023
General Support
- $143,000
Sonoma Valley Education Foundation · Sonoma, CA · 2024
General Support
- $140,000
Sonoma Overnight Support · Sonoma, CA · 2022
Food Program and Renovation Support
- $140,000
Sonoma Valley Education Foundation · Sonoma, CA · 2022
General Support
- $132,600
Transcendence Theatre Company · Sonoma, CA · 2023
Support for Intern/Apprentice Program 2024
- $132,000
Transcendence Theatre Company · Sonoma, CA · 2024
General Support
- $125,847
Boys and Girls Club of Sonoma Valle · Sonoma, CA · 2021
General Support
- $121,000
Sonoma Valley Education Foundation · Sonoma, CA · 2021
Support for Preschool
- $120,000
Sonoma Valley Education Foundation · Sonoma, CA · 2024
General Support
- $110,000
Transcendence Theatre Company · Sonoma, CA · 2022
General Support
- $104,490
Boys and Girls Club of Sonoma Valle · Sonoma, CA · 2022
General Support
- $100,000
Boys and Girls Club of Sonoma Valle · Sonoma, CA · 2024
Support for Teen Services
- $100,000
Boys and Girls Club of Sonoma Valle · Sonoma, CA · 2023
General Support
- $100,000
Sonoma Overnight Support · Sonoma, CA · 2023
General Support
- $100,000
Transcendence Theatre Company · Sonoma, CA · 2021
Support for the Apprentice Program
- $95,000
Vivo · San Jose, CA · 2022
General Support
- $90,000
Sonoma Overnight Support · Sonoma, CA · 2021
General Support
- $80,000
Vintage House · Sonoma, CA · 2023
General Support
- $80,000
Sonoma Valley Mentoring Alliance · Sonoma, CA · 2022
General Support
- $75,000
Jack London Park Partners · Glen Ellen, CA · 2022
General Support
- $70,000
Sonoma Valley Mentoring Alliance · Sonoma, CA · 2024
General Support
- $70,000
Sonoma Valley Mentoring Alliance · Sonoma, CA · 2023
General Support
- $60,000
Sonoma Valley Mentoring Alliance · Sonoma, CA · 2021
General Support
- $60,000
Vintage House · Sonoma, CA · 2021
General Support
- $50,000
Jack London Park Partners · Glen Ellen, CA · 2024
JLPP Education Support
- $50,000
Planned Parenthood Mar Monte · San Jose, CA · 2024
Education Program Support
- $50,000
Redwood Empire Food Bank · Santa Rosa, CA · 2024
General Support
- $50,000
Sonoma Valley Authors Festival · Sonoma, CA · 2024
General Support
- $50,000
Vivo · San Jose, CA · 2024
General Support
- $50,000
Planned Parenthood Mar Monte · San Jose, CA · 2023
General Support
- $50,000
Redwood Empire Food Bank · Santa Rosa, CA · 2023
General Support
- $50,000
Sonoma Valley Authors Festival · Sonoma, CA · 2023
General Support
- $50,000
Vivo · San Jose, CA · 2023
General Support
- $50,000
Planned Parenthood Mar Monte · San Jose, CA · 2022
General Support
- $50,000
Sonoma Valley Authors Festival · Sonojma, CA · 2022
General Support
- $50,000
Sonoma Valley Hospital Foundation · Sonoma, CA · 2022
Support for the Electronic Records Project
- $50,000
Krause Center for Innovation · Los Altos, CA · 2021
Support for OBI Fall 2022 Program
- $50,000
Planned Parenthood Mar Monte · San Jose, CA · 2021
General Support
- $50,000
Sonoma Valley Authors Festival · Sonojma, CA · 2021
Student Day Support
- $50,000
Sonoma Valley Education Foundation · Sonoma, CA · 2021
General Support
- $40,000
Art Escape · Sonoma, CA · 2024
General Support
- $40,000
Sonoma Community Center · Sonoma, CA · 2024
General Support
- $40,000
Art Escape · Sonoma, CA · 2023
General Support
- $40,000
Sonoma Community Center · Sonoma, CA · 2023
General Support
- $40,000
Art Escape · Sonoma, CA · 2022
General Support
- $39,000
Sonoma Community Center · Sonoma, CA · 2022
Support for Program Scholarships
- $35,000
Work On Climate · San Francisco, CA · 2024
General Support
- $35,000
Work On Climate · San Francisco, CA · 2023
General Support
- $30,000
Sonoma Immigrant Services · Sonoma, CA · 2024
General Support
- $30,000
Kid Scoop News · Sonoma, CA · 2022
General Support
- $30,000
Sonoma Immigrant Services · Sonoma, CA · 2022
Support for Visa Program
- $30,000
Sonoma Land Trust · Santa Rosa, CA · 2022
General Support
- $30,000
Art Escape · Sonoma, CA · 2021
General Support
- $30,000
Kid Scoop News · Sonoma, CA · 2021
General Support
- $30,000
Sonoma Land Trust · Santa Rosa, CA · 2021
Support for Bay Camp/Conservation Council
- $25,000
Sonoma Valley Museum of Art · Sonoma, CA · 2024
General Support
- $25,000
Sonoma Community Center · Sonoma, CA · 2023
General Support
- $25,000
Sonoma Valley Education Foundation · Sonoma, CA · 2023
Support for Sonoma Valley High School Empowerment Academy
- $25,000
McGill University · 2022
General Support
- $25,000
Sonoma Valley Museum of Art · Sonoma, CA · 2022
General Support
- $25,000
Sonoma Plein Air Foundation · Sonoma, CA · 2021
General Support
- $25,000
Sonoma Valley Museum of Art · Sonoma, CA · 2021
General Support
- $23,000
Sonoma Valley Education Foundation · Sonoma, CA · 2024
Summer Math Program
- $20,000
Boys and Girls Club of Sonoma Valle · Sonoma, CA · 2024
Support for Fundraising Event
- $20,000
Transcendence Theatre Company · Sonoma, CA · 2023
General Support
- $20,000
Calmatters · Sacramento, CA · 2022
General Support
- $20,000
Sonoma Plein Air Foundation · Sonoma, CA · 2022
General Support
- $20,000
La Luz Center · Sonoma, CA · 2021
Fundraising Support
- $20,000
Sonoma Valley Education Foundation · Sonoma, CA · 2021
Dunbar Arts Support
- $20,000
Ssu Academic Foundation · Rohnert Park, CA · 2021
Support for Green Music Center
- $15,000
Calmatters · Sacramento, CA · 2024
General Support
- $15,000
Ucsf Foundation Cardiology Council · San Francisco, CA · 2024
General Support
- $15,000
Boys and Girls Club of Sonoma Valle · Sonoma, CA · 2023
Support for Fundraising Event
- $15,000
Sonoma Land Trust · Santa Rosa, CA · 2023
General Support
- $15,000
Ssu Academic Foundation · Rohnert Park, CA · 2022
General Support
- $10,500
Sonoma Community Center · Sonoma, CA · 2022
Support for Muse Event
- $10,237
Boys and Girls Club of Sonoma Valle · Sonoma, CA · 2023
Support for fundraising event
- $10,000
California College of the Arts · San Francisco, CA · 2024
General Support
- $10,000
Jack London Park Partners · Glen Ellen, CA · 2024
JLPP Education Support
- $10,000
Ksvy · Sonoma, CA · 2024
General Support
- $10,000
La Luz Center · Sonoma, CA · 2024
Fundraising Support
- $10,000
Sonoma Arts Live · Sonoma, CA · 2024
Upgrade Microphone Equipment
- $10,000
Sonoma Community Center · Sonoma, CA · 2024
General Support
- $10,000
Sonoma Community Center · Sonoma, CA · 2024
Support for fundraising event
- $10,000
Sonoma Land Trust · Santa Rosa, CA · 2024
General Support
- $10,000
Sonoma Plein Air Foundation · Sonoma, CA · 2024
General Support
- $10,000
Sonoma Speaker Series · Sonoma, CA · 2024
General Support
- $10,000
Sonoma Valley Education Foundation · Sonoma, CA · 2024
General Support
- $10,000
Sonoma Valley Museum of Art · Sonoma, CA · 2024
General Support
- $10,000
Sonoma Valley Museum of Art · Sonoma, CA · 2024
Fundraising Support
- $10,000
Transcendence Theatre Company · Sonoma, CA · 2024
General Support
- $10,000
Ucsf Foundation · San Francisco, CA · 2024
General Support
- $10,000
Ucsf Foundation Cardiology Council · San Francisco, CA · 2024
General Support
- $10,000
Vintage House · Sonoma, CA · 2024
General Support
- $10,000
Calmatters · Sacramento, CA · 2023
General Support
Grants already paid are the record; PaperOrbit reads your paper and finds the funders whose record matches it — then explains why.
Search funders like this oneSource: IRS Form 990-PF, Part XV, as filed by the foundation. These are grants already paid — a record of what this funder backs, not an open call.

