GrantAuthority

Unknown foundations in California

63 grantmaking foundations in California focused on unknown, ranked by recent giving reported to the IRS (about $77M combined).

Top foundations by giving

  1. Koret Foundation
    San Francisco, CA
    $59M (2025)
  2. Isabel Allende Foundation
    Sausalito, CA
    $2.7M (2025)
  3. Starhill Associates Inc
    Palo Alto, CA
    $2.7M (2025)
  4. Zero Foodprint
    San Francisco, CA
    $2.2M (2024)
  5. John & Linda Macdonald Foundation
    La Quinta, CA
    $1.1M (2024)
  6. Michelson Foundation
    San Mateo, CA
    $960K (2025)
  7. It Takes a Family Foundation Inc
    San Clemente, CA
    $760K (2024)
  8. Brutten Family Foundation
    Solana Beach, CA
    $690K (2024)
  9. Kite Key Foundation
    Los Angeles, CA
    $510K (2025)
  10. Marcus & Millichap Foundation
    Palo Alto, CA
    $490K (2024)
  11. Fishman Family Foundation Inc
    San Francisco, CA
    $460K (2025)
  12. Tanimura Family Foundation
    Salinas, CA
    $430K (2025)
  13. Excelerate Foundation Inc
    Gold River, CA
    $410K (2025)
  14. Wakerly Family Foundation
    Los Altos, CA
    $360K (2026)
  15. Freedom Reign Foundation
    Monte Sereno, CA
    $350K (2024)
  16. Faraway Foundation
    San Anselmo, CA
    $350K (2025)
  17. Krause Foundation
    Los Altos Hills, CA
    $290K (2024)
  18. Youssef and Kamel Mawardi Fund
    Pasadena, CA
    $210K (2024)
  19. S Ku Foundation
    Los Gatos, CA
    $210K (2026)
  20. Semel Charitable Foundation
    Sherman Oaks, CA
    $210K (2025)
  21. Peninsula Endowment
    Palo Alto, CA
    $180K (2026)
  22. Sarah Lee Pascoe Foundation
    Corona Del Mar, CA
    $160K (2025)
  23. Rabinovitch Foundation
    Los Angeles, CA
    $160K (2024)
  24. Pat and Frances Ricchiuti Charitable Trust
    Clovis, CA
    $150K (2026)
  25. Institute for Law and Systems Research
    San Diego, CA
    $140K (2024)

Find the right funders faster. Filter every foundation by location, cause, giving size and openness, and see full grantee histories, with a free GrantAuthority account.

Create free account

Cities in California