Foundation Directory
California Private Foundations
Every active private non-operating foundation registered in California (IRS foundation code 04), straight from the IRS Exempt Organizations Business Master File. Each entry links to its public 990 filings.
- Foundations
- 12,345
- Cities
- 766
- Classified
- 10,568
- Matching filters
- 12,345
Showing 1–50 of 12,345 foundations
WILLIAM & FLORA HEWLETT FOUNDATION
T21Menlo Park, CA 94025Since 1968
Philanthropy & Grantmaking — private non-operating foundation in Menlo Park, CA. IRS-recognized since 1968. $14.2B in assets and $114.4M gross income (2024 filing).
c/o % DWIGHT KODA
- Assets
- $14.2B
- Gross income
- $114.4M
EIN 94-1655673View 990 FilingsGORDON E AND BETTY I MOORE FOUNDATION
T20Palo Alto, CA 94304Since 2001
Philanthropy & Grantmaking — private non-operating foundation in Palo Alto, CA. IRS-recognized since 2001. $11.5B in assets and $3.2B gross income (2024 filing).
c/o % JANCY GOH
- Assets
- $11.5B
- Gross income
- $3.2B
EIN 94-3397785View 990 FilingsGOOD VENTURES FOUNDATION
T22Palo Alto, CA 94301Since 2013
Philanthropy & Grantmaking — private non-operating foundation in Palo Alto, CA. IRS-recognized since 2013. $10.1B in assets and $8.3B gross income (2025 filing).
c/o % APERCEN PARTNERS LLC
- Assets
- $10.1B
- Gross income
- $8.3B
EIN 46-1008520View 990 FilingsJEN-HSUN & LORI HUANG FOUNDATION
T20Palo Alto, CA 94304Since 2008
Philanthropy & Grantmaking — private non-operating foundation in Palo Alto, CA. IRS-recognized since 2008. $9.2B in assets and $6B gross income (2024 filing).
c/o % FRANK RIMERMAN & CO LLP
- Assets
- $9.2B
- Gross income
- $6B
EIN 26-1551239View 990 FilingsDAVID AND LUCILE PACKARD FOUNDATION
T20Los Altos, CA 94022Since 1964
Philanthropy & Grantmaking — private non-operating foundation in Los Altos, CA. IRS-recognized since 1964. $8.5B in assets and $55.9M gross income (2024 filing).
- Assets
- $8.5B
- Gross income
- $55.9M
EIN 94-2278431View 990 FilingsCHAN ZUCKERBERG INITIATIVE FOUNDATION
T20Palo Alto, CA 94301Since 2012
Philanthropy & Grantmaking — private non-operating foundation in Palo Alto, CA. IRS-recognized since 2012. $7.5B in assets and $3.2B gross income (2024 filing).
c/o % APERCEN PARTNERS LLC
- Assets
- $7.5B
- Gross income
- $3.2B
EIN 45-5002209View 990 FilingsCONRAD N HILTON FOUNDATION
T22Westlake Vlg, CA 91362Since 1990
Philanthropy & Grantmaking — private non-operating foundation in Westlake Vlg, CA. IRS-recognized since 1990. $7.4B in assets and $372.6M gross income (2024 filing).
- Assets
- $7.4B
- Gross income
- $372.6M
EIN 94-3100217View 990 FilingsTHE CALIFORNIA ENDOWMENT
T22ELos Angeles, CA 90012Since 1996
Philanthropy & Grantmaking — private non-operating foundation in Los Angeles, CA. IRS-recognized since 1996. $4.5B in assets and $1.6B gross income (2024 filing).
c/o % DAN DELEON
- Assets
- $4.5B
- Gross income
- $1.6B
EIN 95-4523232View 990 FilingsCARL VICTOR PAGE MEMORIAL FOUNDATION
T20Palo Alto, CA 94306Since 2006
Philanthropy & Grantmaking — private non-operating foundation in Palo Alto, CA. IRS-recognized since 2006. $4.5B in assets and $1.9B gross income (2024 filing).
c/o % ROSEWOOD FAMILY ADVISORS LLP
- Assets
- $4.5B
- Gross income
- $1.9B
EIN 20-1922957View 990 FilingsCRANKSTART FOUNDATION
T22San Jose, CA 95124Since 2002
Philanthropy & Grantmaking — private non-operating foundation in San Jose, CA. IRS-recognized since 2002. $4.4B in assets and $862.1M gross income (2024 filing).
c/o % MICHAEL MORITZ
- Assets
- $4.4B
- Gross income
- $862.1M
EIN 94-3377099View 990 FilingsSERGEY BRIN FAMILY FOUNDATION
T22San Francisco, CA 94109Since 2015
Philanthropy & Grantmaking — private non-operating foundation in San Francisco, CA. IRS-recognized since 2015. $4.3B in assets and $1.1B gross income (2024 filing).
c/o % PACIFIC FOUNDATION SERVICES
- Assets
- $4.3B
- Gross income
- $1.1B
EIN 47-2107200View 990 FilingsH&H EVERGREEN FOUNDATION
T20Menlo Park, CA 94025Since 2015
Philanthropy & Grantmaking — private non-operating foundation in Menlo Park, CA. IRS-recognized since 2015. $3.7B in assets and $1.3B gross income (2025 filing).
c/o % ERIC HU
- Assets
- $3.7B
- Gross income
- $1.3B
EIN 46-5066162View 990 FilingsJAMES IRVINE FOUNDATION
T22San Francisco, CA 94104Since 1939
Philanthropy & Grantmaking — private non-operating foundation in San Francisco, CA. IRS-recognized since 1939. $3.4B in assets and $802.9M gross income (2024 filing).
c/o % TIMOTHY RECKER
- Assets
- $3.4B
- Gross income
- $802.9M
EIN 94-1236937View 990 FilingsKOUM FAMILY FOUNDATION
T20Palo Alto, CA 94304Since 2016
Philanthropy & Grantmaking — private non-operating foundation in Palo Alto, CA. IRS-recognized since 2016. $3.3B in assets and $64.3M gross income (2024 filing).
c/o % AUDREY K SCOTT
- Assets
- $3.3B
- Gross income
- $64.3M
EIN 47-5446562View 990 FilingsWAVERLEY STREET FOUNDATION
T20Palo Alto, CA 94306Since 2016
Philanthropy & Grantmaking — private non-operating foundation in Palo Alto, CA. IRS-recognized since 2016. $2.7B in assets and $709.1M gross income (2024 filing).
c/o % ROSEWOOD FAMILY ADVISORS LLP
- Assets
- $2.7B
- Gross income
- $709.1M
EIN 81-3242506View 990 FilingsASTERA INSTITUTE
U41San Francisco, CA 94105Since 2020
Science & Technology — private non-operating foundation in San Francisco, CA. IRS-recognized since 2020. $2.6B in assets and $72.4M gross income (2024 filing).
- Assets
- $2.6B
- Gross income
- $72.4M
EIN 84-5162617View 990 FilingsGERSON BAKAR FOUNDATION
San Francisco, CA 94133Since 1984
private non-operating foundation in San Francisco, CA. IRS-recognized since 1984. $2.5B in assets and $230.5M gross income (2024 filing).
- Assets
- $2.5B
- Gross income
- $230.5M
EIN 94-2949602View 990 FilingsTHE SCHMIDT FAMILY FOUNDATION
B82Palo Alto, CA 94301Since 2007
Education — private non-operating foundation in Palo Alto, CA. IRS-recognized since 2007. $2B in assets and $397.2M gross income (2024 filing).
c/o % JEANNE HUEY CFO-SECRETARY
- Assets
- $2B
- Gross income
- $397.2M
EIN 20-4170342View 990 FilingsBROAD FOUNDATION
T22Los Angeles, CA 90071Since 1999
Philanthropy & Grantmaking — private non-operating foundation in Los Angeles, CA. IRS-recognized since 1999. $1.9B in assets and $163.4M gross income (2024 filing).
c/o % CINDY S QUANE
- Assets
- $1.9B
- Gross income
- $163.4M
EIN 95-4686318View 990 FilingsW M KECK FOUNDATION
T22Los Angeles, CA 90071Since 1959
Philanthropy & Grantmaking — private non-operating foundation in Los Angeles, CA. IRS-recognized since 1959. $1.7B in assets and $644.2M gross income (2024 filing).
c/o % WMKE
- Assets
- $1.7B
- Gross income
- $644.2M
EIN 95-6092354View 990 FilingsTHE ERIC AND WENDY SCHMIDT FUND FOR STRATEGIC INNOVATION
T20Palo Alto, CA 94301Since 2014
Philanthropy & Grantmaking — private non-operating foundation in Palo Alto, CA. IRS-recognized since 2014. $1.6B in assets and $918.2M gross income (2024 filing).
- Assets
- $1.6B
- Gross income
- $918.2M
EIN 46-3460261View 990 FilingsSHIMON BEN JOSEPH FOUNDATION
T20San Francisco, CA 94104Since 2005
Philanthropy & Grantmaking — private non-operating foundation in San Francisco, CA. IRS-recognized since 2005. $1.5B in assets and $221.7M gross income (2024 filing).
c/o % ALVIN T LEVITT
- Assets
- $1.5B
- Gross income
- $221.7M
EIN 33-1114104View 990 FilingsTHE AHMANSON FOUNDATION
T22Beverly Hills, CA 90210Since 1955
Philanthropy & Grantmaking — private non-operating foundation in Beverly Hills, CA. IRS-recognized since 1955. $1.5B in assets and $138.8M gross income (2024 filing).
- Assets
- $1.5B
- Gross income
- $138.8M
EIN 95-6089998View 990 FilingsSKYLINE FOUNDATION
X20San Francisco, CA 94109Since 2001
Religion — private non-operating foundation in San Francisco, CA. IRS-recognized since 2001. $1.3B in assets and $313.5M gross income (2024 filing).
- Assets
- $1.3B
- Gross income
- $313.5M
EIN 94-3380194View 990 FilingsHOBSON LUCAS FAMILY FOUNDATION
T22San Rafael, CA 94912Since 2007
Philanthropy & Grantmaking — private non-operating foundation in San Rafael, CA. IRS-recognized since 2007. $1.2B in assets and $113.5M gross income (2024 filing).
c/o % MICHAEL RIDER
- Assets
- $1.2B
- Gross income
- $113.5M
EIN 20-3940983View 990 FilingsXIE FOUNDATION
T22Sunnyvale, CA 94086Since 2010
Philanthropy & Grantmaking — private non-operating foundation in Sunnyvale, CA. IRS-recognized since 2010. $1.1B in assets and $439.1M gross income (2024 filing).
c/o % FOUNDATION SOURCE
- Assets
- $1.1B
- Gross income
- $439.1M
EIN 27-1208110View 990 FilingsCONRAD PREBYS FOUNDATION
T22San Diego, CA 92101Since 2007
Philanthropy & Grantmaking — private non-operating foundation in San Diego, CA. IRS-recognized since 2007. $1.1B in assets and $547.5M gross income (2024 filing).
c/o % CONRAD PREBYS
- Assets
- $1.1B
- Gross income
- $547.5M
EIN 20-3216993View 990 FilingsAPHORISM FOUNDATION
T20San Francisco, CA 94111Since 2014
Philanthropy & Grantmaking — private non-operating foundation in San Francisco, CA. IRS-recognized since 2014. $1.1B in assets and $137.5M gross income (2024 filing).
c/o % REALIZE CPA LLP
- Assets
- $1.1B
- Gross income
- $137.5M
EIN 46-4347021View 990 FilingsTHE CALIFORNIA WELLNESS FOUNDATION
T21Los Angeles, CA 90071Since 1991
Philanthropy & Grantmaking — private non-operating foundation in Los Angeles, CA. IRS-recognized since 1991. $1B in assets and $272.5M gross income (2024 filing).
c/o % ROCHELLE WITHARANA
- Assets
- $1B
- Gross income
- $272.5M
EIN 95-4292101View 990 FilingsGENE HAAS FOUNDATION
T20Oxnard, CA 93030Since 1999
Philanthropy & Grantmaking — private non-operating foundation in Oxnard, CA. IRS-recognized since 1999. $980M in assets and $629.2M gross income (2024 filing).
c/o % LAURA MAGANA
- Assets
- $980M
- Gross income
- $629.2M
EIN 95-4724825View 990 FilingsWEINGART FOUNDATION
T22Los Angeles, CA 90017Since 1952
Philanthropy & Grantmaking — private non-operating foundation in Los Angeles, CA. IRS-recognized since 1952. $909.4M in assets and $171.3M gross income (2025 filing).
- Assets
- $909.4M
- Gross income
- $171.3M
EIN 95-6054814View 990 FilingsSOBRATO FAMILY FOUNDATION
Mountain View, CA 94041Since 1994
private non-operating foundation in Mountain View, CA. IRS-recognized since 1994. $886.3M in assets and $74M gross income (2024 filing).
c/o % VEENA MAHADEVAN
- Assets
- $886.3M
- Gross income
- $74M
EIN 77-0348912View 990 FilingsWILLIAM AND BARBARA MARTIN FOUNDATION
T20Los Angeles, CA 90071Since 2024
Philanthropy & Grantmaking — private non-operating foundation in Los Angeles, CA. IRS-recognized since 2024. $874.5M in assets and $451.9M gross income (2024 filing).
c/o % RICHARD A GALOFARO
- Assets
- $874.5M
- Gross income
- $451.9M
EIN 93-2687518View 990 FilingsSKOLL FOUNDATION
T22San Francisco, CA 94104Since 2003
Philanthropy & Grantmaking — private non-operating foundation in San Francisco, CA. IRS-recognized since 2003. $846.9M in assets and $124.3M gross income (2024 filing).
- Assets
- $846.9M
- Gross income
- $124.3M
EIN 11-3659133View 990 FilingsTHE HEISING-SIMONS FOUNDATION
T20Los Altos, CA 94022Since 2007
Philanthropy & Grantmaking — private non-operating foundation in Los Altos, CA. IRS-recognized since 2007. $810.5M in assets and $66.2M gross income (2024 filing).
- Assets
- $810.5M
- Gross income
- $66.2M
EIN 26-0799587View 990 FilingsARNOLD AND MABEL BECKMAN FOUNDATION
T20Irvine, CA 92617Since 2021
Philanthropy & Grantmaking — private non-operating foundation in Irvine, CA. IRS-recognized since 2021. $775.4M in assets and $169.9M gross income (2025 filing).
- Assets
- $775.4M
- Gross income
- $169.9M
EIN 95-3169713View 990 FilingsJOHN H AND REGINA K SCULLY FOUNDATION
T22San Rafael, CA 94903Since 2013
Philanthropy & Grantmaking — private non-operating foundation in San Rafael, CA. IRS-recognized since 2013. $724M in assets and $227.7M gross income (2024 filing).
c/o % LORI KULVIN CRAWFORD
- Assets
- $724M
- Gross income
- $227.7M
EIN 46-2014396View 990 FilingsPERENCHIO FOUNDATION
T22Pasadena, CA 91101Since 2011
Philanthropy & Grantmaking — private non-operating foundation in Pasadena, CA. IRS-recognized since 2011. $696.4M in assets and $16.5M gross income (2024 filing).
c/o % DANIEL CHAE
- Assets
- $696.4M
- Gross income
- $16.5M
EIN 45-0607892View 990 FilingsANNENBERG FOUNDATION TRUST AT SUNNYLANDS
W20Rancho Mirage, CA 92270Since 2004
Public & Societal Benefit — private non-operating foundation in Rancho Mirage, CA. IRS-recognized since 2004. $695.7M in assets and $121M gross income (2025 filing).
c/o % ED DORAN
- Assets
- $695.7M
- Gross income
- $121M
EIN 25-6774871View 990 FilingsRIVIAN FOUNDATION
C34Irvine, CA 92606Since 2023
Environment — private non-operating foundation in Irvine, CA. IRS-recognized since 2023. $656.4M in assets and $742.6K gross income (2025 filing).
- Assets
- $656.4M
- Gross income
- $742.6K
EIN 87-3878063View 990 FilingsKENNETH RAININ FOUNDATION
T20JOakland, CA 94612Since 1998
Philanthropy & Grantmaking — private non-operating foundation in Oakland, CA. IRS-recognized since 1998. $642.2M in assets and $45M gross income (2024 filing).
c/o % RAININ GROUP INC
- Assets
- $642.2M
- Gross income
- $45M
EIN 94-3289283View 990 FilingsHELLMAN FOUNDATION
T20San Francisco, CA 94104Since 2012
Philanthropy & Grantmaking — private non-operating foundation in San Francisco, CA. IRS-recognized since 2012. $625.6M in assets and $256.5M gross income (2024 filing).
c/o % LYRA MANAGEMENT LLC
- Assets
- $625.6M
- Gross income
- $256.5M
EIN 61-1583546View 990 FilingsDIANE AND GUILFORD GLAZER FOUNDATION
T20Beverly Hills, CA 90210Since 2020
Philanthropy & Grantmaking — private non-operating foundation in Beverly Hills, CA. IRS-recognized since 2020. $605.5M in assets and $217.9M gross income (2024 filing).
c/o % WILLIAM NEIMAN
- Assets
- $605.5M
- Gross income
- $217.9M
EIN 84-3205480View 990 FilingsKAVLI FOUNDATION
T22Los Angeles, CA 90230Since 2001
Philanthropy & Grantmaking — private non-operating foundation in Los Angeles, CA. IRS-recognized since 2001. $604.1M in assets and $108.8M gross income (2024 filing).
c/o % FRED KAVLI
- Assets
- $604.1M
- Gross income
- $108.8M
EIN 77-0560142View 990 FilingsANNE WOJCICKI FOUNDATION
T90Los Altos, CA 94022Since 2015
Philanthropy & Grantmaking — private non-operating foundation in Los Altos, CA. IRS-recognized since 2015. $593.3M in assets and $44.1M gross income (2024 filing).
- Assets
- $593.3M
- Gross income
- $44.1M
EIN 47-1835703View 990 FilingsHENRY T NICHOLAS III FOUNDATION
T22Aliso Viejo, CA 92656Since 2008
Philanthropy & Grantmaking — private non-operating foundation in Aliso Viejo, CA. IRS-recognized since 2008. $589.1M in assets and $7.5M gross income (2024 filing).
- Assets
- $589.1M
- Gross income
- $7.5M
EIN 20-7201390View 990 FilingsGROSS FAMILY CHARITABLE FOUNDATION
T20Laguna Beach, CA 92651Since 2018
Philanthropy & Grantmaking — private non-operating foundation in Laguna Beach, CA. IRS-recognized since 2018. $571.1M in assets and $534.6M gross income (2024 filing).
c/o % MARK PORTERFIELD
- Assets
- $571.1M
- Gross income
- $534.6M
EIN 82-2674631View 990 FilingsCLIF BAR FAMILY FOUNDATION
T20Saint Helena, CA 94574Since 2023
Philanthropy & Grantmaking — private non-operating foundation in Saint Helena, CA. IRS-recognized since 2023. $570.8M in assets and $31.9M gross income (2024 filing).
c/o % JENNIFER HERMAN
- Assets
- $570.8M
- Gross income
- $31.9M
EIN 20-4345935View 990 FilingsCOLLEGE FUTURES FOUNDATION
W60Oakland, CA 94612Since 1990
Public & Societal Benefit — private non-operating foundation in Oakland, CA. IRS-recognized since 1990. $561.6M in assets and $47M gross income (2024 filing).
- Assets
- $561.6M
- Gross income
- $47M
EIN 94-2618667View 990 FilingsMAXWELL HANRAHAN FOUNDATION
T20San Francisco, CA 94123Since 2019
Philanthropy & Grantmaking — private non-operating foundation in San Francisco, CA. IRS-recognized since 2019. $561.4M in assets and $775.2M gross income (2024 filing).
c/o % KIM TRAYNOR
- Assets
- $561.4M
- Gross income
- $775.2M
EIN 83-2118884View 990 Filings