GrantAuthority

Grantmaking foundations in California

15,190 grantmaking foundations in California, ranked by recent giving reported to the IRS (about $52B combined).

Top foundations by giving

  1. Donor Advised Charitable Giving
    San Francisco, CA · Youth Development
    $8.9B (2025)
  2. Genentech Patient Foundation
    South San Francisco, CA · Human Services
    $3.5B (2024)
  3. Silicon Valley Community Foundation
    Mountain View, CA · Community Improvement and Capacity Building
    $3.3B (2024)
  4. Direct Relief
    Santa Barbara, CA · Crime and Legal-Related
    $2B (2025)
  5. University of Southern California
    Los Angeles, CA · Community Improvement and Capacity Building
    $1B (2024)
  6. The Board of Trustees of the Leland Stanford Junior University
    Palo Alto, CA · Community Improvement and Capacity Building
    $810M (2024)
  7. Resnick Foundation
    Los Angeles, CA · Philanthropy, Voluntarism and Grantmaking Foundations
    $520M (2023)
  8. Tides Foundation
    San Francisco, CA · Diseases, Disorders and Medical Disciplines
    $440M (2024)
  9. University of California San Francisco Foundation
    San Francisco, CA · Community Improvement and Capacity Building
    $440M (2024)
  10. The UCLA Foundation
    Los Angeles, CA · Philanthropy, Voluntarism and Grantmaking Foundations
    $440M (2024)
  11. University of California Berkeley Foundation
    Berkeley, CA · Philanthropy, Voluntarism and Grantmaking Foundations
    $430M (2024)
  12. Pac-12 Conference
    San Ramon, CA · Community Improvement and Capacity Building
    $390M (2024)
  13. Sergey Brin Family Foundation
    San Francisco, CA · Philanthropy, Voluntarism and Grantmaking Foundations
    $380M (2023)
  14. David and Lucile Packard Foundation
    Los Altos, CA · Philanthropy, Voluntarism and Grantmaking Foundations
    $370M (2023)
  15. William & Flora Hewlett Foundation
    Menlo Park, CA · Philanthropy, Voluntarism and Grantmaking Foundations
    $350M (2024)
  16. Good Ventures Foundation
    Palo Alto, CA · Philanthropy, Voluntarism and Grantmaking Foundations
    $320M (2022)
  17. Conrad N Hilton Foundation
    Agoura Hills, CA · Philanthropy, Voluntarism and Grantmaking Foundations
    $280M (2023)
  18. California Community Foundation
    Los Angeles, CA · Youth Development
    $280M (2024)
  19. Sequoia Climate Foundation
    Irvine, CA · Philanthropy, Voluntarism and Grantmaking Foundations
    $260M (2022)
  20. Climate Imperative Foundation
    San Francisco, CA · Philanthropy, Voluntarism and Grantmaking Foundations
    $240M (2024)
  21. Climateworks Foundation
    San Francisco, CA · Philanthropy, Voluntarism and Grantmaking Foundations
    $230M (2024)
  22. Waverley Street Foundation
    Palo Alto, CA · Philanthropy, Voluntarism and Grantmaking Foundations
    $230M (2023)
  23. Kaiser Foundation Hospitals
    Oakland, CA · Philanthropy, Voluntarism and Grantmaking Foundations
    $230M (2024)
  24. Marin Community Foundation
    Novato, CA · Environment
    $230M (2024)
  25. Gordon E and Betty I Moore Foundation
    Palo Alto, CA · Philanthropy, Voluntarism and Grantmaking Foundations
    $230M (2024)

Showing the top 100 by giving. Search all 15,190 with a free account.

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Cities in California

Causes in California