GrantAuthority

Grantmaking foundations in Los Altos, CA

137 grantmaking foundations in Los Altos, California, ranked by recent giving reported to the IRS (about $1B combined).

Top foundations by giving (page 2)

  1. Taneja Family Foundation
    Los Altos, CA · Science and Technology
    $1.1M (2024)
  2. Branson Family Foundation
    Los Altos, CA · Philanthropy, Voluntarism and Grantmaking Foundations
    $900K (2025)
  3. Allen Family Charitable Foundation
    Los Altos, CA · Philanthropy, Voluntarism and Grantmaking Foundations
    $850K (2025)
  4. Greathouse Family Foundation
    Los Altos, CA · Philanthropy, Voluntarism and Grantmaking Foundations
    $820K (2025)
  5. Partners for Better Futures
    Los Altos, CA · Human Services
    $670K (2026)
  6. Efa Foundation
    Los Altos, CA · Philanthropy, Voluntarism and Grantmaking Foundations
    $650K (2025)
  7. Mark and Carolyn Guidry Foundation
    Los Altos, CA
    $610K (2025)
  8. H2h8 Association
    Los Altos, CA · Medical Research
    $580K (2025)
  9. Montclaire Parent Teacher Organization
    Los Altos, CA · Mental Health and Crisis Intervention
    $540K (2025)
  10. Astor Family Foundation
    Los Altos, CA
    $540K (2022)
  11. Haaja Foundation
    Los Altos, CA · Human Services
    $510K (2026)
  12. Harrington Family Foundation
    Los Altos, CA · Philanthropy, Voluntarism and Grantmaking Foundations
    $470K (2025)
  13. Gene Chiu Foundation
    Los Altos, CA · Philanthropy, Voluntarism and Grantmaking Foundations
    $460K (2024)
  14. Los Altos Rotary Endowment Fund Inc
    Los Altos, CA · Environment
    $420K (2025)
  15. Gordon R Irlam Charitable Foundation
    Los Altos, CA · Philanthropy, Voluntarism and Grantmaking Foundations
    $390K (2025)
  16. Wakerly Family Foundation
    Los Altos, CA · Unknown
    $360K (2026)
  17. Ron D Kline Foundation
    Los Altos, CA · Philanthropy, Voluntarism and Grantmaking Foundations
    $340K (2024)
  18. Chen-Zhu Family Foundation
    Los Altos, CA · Philanthropy, Voluntarism and Grantmaking Foundations
    $310K (2025)
  19. Frank and Karen Geefay Foundation
    Los Altos, CA · Philanthropy, Voluntarism and Grantmaking Foundations
    $280K (2025)
  20. Peter & Mary Chang Foundation
    Los Altos, CA · Human Services
    $260K (2024)
  21. Mae Family Foundation
    Los Altos, CA · Philanthropy, Voluntarism and Grantmaking Foundations
    $260K (2024)
  22. Transparent Fish Fund Inc
    Los Altos, CA · Philanthropy, Voluntarism and Grantmaking Foundations
    $250K (2025)
  23. Amber Foundation
    Los Altos, CA
    $250K (2024)
  24. The Right Hand Foundation
    Los Altos, CA
    $240K (2025)
  25. Mountain View Los Altos Soccer Club
    Los Altos, CA · Human Services
    $220K (2024)

Showing the top 100 by giving. Search all 137 with a free account.

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