GrantAuthority

Philanthropy, Voluntarism and Grantmaking Foundations foundations in California

8,284 grantmaking foundations in California focused on philanthropy, voluntarism and grantmaking foundations, ranked by recent giving reported to the IRS (about $20B combined).

Top foundations by giving

  1. Sergey Brin Family Foundation
    San Francisco, CA
    $840M (2024)
  2. Conrad N Hilton Foundation
    Agoura Hills, CA
    $540M (2024)
  3. The UCLA Foundation
    Los Angeles, CA
    $540M (2025)
  4. David and Lucile Packard Foundation
    Los Altos, CA
    $520M (2024)
  5. University of California Berkeley Foundation
    Berkeley, CA
    $420M (2025)
  6. Good Ventures Foundation
    Palo Alto, CA
    $390M (2025)
  7. William & Flora Hewlett Foundation
    Menlo Park, CA
    $350M (2024)
  8. Sequoia Climate Foundation
    Irvine, CA
    $310M (2024)
  9. Crankstart Foundation
    San Francisco, CA
    $300M (2024)
  10. The Eric and Wendy Schmidt Fund for Strategic Innovation
    Palo Alto, CA
    $290M (2024)
  11. Waverley Street Foundation
    Palo Alto, CA
    $280M (2024)
  12. Los Angeles Regional Food Bank
    Los Angeles, CA
    $260M (2025)
  13. Climate Imperative Foundation
    San Francisco, CA
    $240M (2024)
  14. Climateworks Foundation
    San Francisco, CA
    $230M (2024)
  15. Kaiser Foundation Hospitals
    Oakland, CA
    $230M (2024)
  16. Gordon E and Betty I Moore Foundation
    Palo Alto, CA
    $230M (2024)
  17. U C San Diego Foundation
    La Jolla, CA
    $230M (2025)
  18. San Francisco Foundation
    San Francisco, CA
    $220M (2025)
  19. Chapman University
    Orange, CA
    $220M (2025)
  20. Wayne & Gladys Valley Charitable Foundation
    Oakland, CA
    $220M (2025)
  21. The Heising-Simons Foundation
    Los Altos, CA
    $210M (2024)
  22. Chan Zuckerberg Initiative Foundation
    Palo Alto, CA
    $210M (2024)
  23. Benificus Foundation
    San Carlos, CA
    $190M (2024)
  24. Calhfa Homeowner Relief Corporation
    Sacremento, CA
    $190M (2022)
  25. H&H Evergreen Foundation
    Menlo Park, CA
    $180M (2025)

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