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Private foundations Californiatax years 2023 to 2025

Private foundations in California

12,540 private foundations based in California filed a 990-PF in the last two years. In their latest returns they gave $18.1 billion in 147,173 grants, and 1,764 say they accept applications.

Foundations with a return in the last two years, each by its latest return (tax years 2023 to 2025), read from the IRS e-file on Nov 11, 2026. Returns reach the IRS 5 to 18 months after the year they describe.

Largest givers

By grants paid, latest return
  1. Genentech Patient FoundationSouth San Francisco, CA · tax year 2024 1 grant Accepts applications $3,452,010,026 giving
  2. Sergey Brin Family FoundationSan Francisco, CA · tax year 2024 170 grants Preselected only $698,939,667 giving
  3. The William & Flora Hewlett FoundationMenlo Park, CA · tax year 2024 2,001 grants Accepts applications $625,009,380 giving
  4. Gordon E and Betty I Moore FoundationPalo Alto, CA · tax year 2024 920 grants Preselected only $403,028,969 giving
  5. The David and Lucile Packard FoundationLos Altos, CA · tax year 2024 1,029 grants Accepts applications $349,965,123 giving
  6. Good Ventures FoundationPalo Alto, CA · tax year 2024 565 grants Preselected only $306,706,819 giving
  7. Sequoia Climate FoundationIrvine, CA · tax year 2023 187 grants Preselected only $305,365,925 giving
  8. Conrad N Hilton FoundationWestlake Village, CA · tax year 2024 1,339 grants Accepts applications $287,749,627 giving
  9. The Carl Victor Page Memorial FoundationPalo Alto, CA · tax year 2024 17 grants Preselected only $285,312,880 giving
  10. Waverley Street FoundationPalo Alto, CA · tax year 2024 144 grants Preselected only $282,093,983 giving
  11. The Eric and Wendy Schmidt Fund for Strategic InnovationPalo Alto, CA · tax year 2024 379 grants Preselected only $244,068,458 giving
  12. Chan Zuckerberg Initiative FoundationPalo Alto, CA · tax year 2024 53 grants Preselected only $235,359,065 giving
  13. Crankstart FoundationSan Jose, CA · tax year 2024 435 grants Preselected only $201,283,740 giving
  14. The Benificus FoundationSan Carlos, CA · tax year 2024 56 grants Preselected only $186,037,167 giving
  15. The Schmidt Family FoundationPalo Alto, CA · tax year 2024 695 grants Accepts applications $185,440,970 giving
  16. H&H Evergreen FoundationMenlo Park, CA · tax year 2025 5 grants Preselected only $178,135,150 giving
  17. Gerson Bakar FoundationSan Francisco, CA · tax year 2024 33 grants Preselected only $169,365,674 giving
  18. The James Irvine FoundationSan Francisco, CA · tax year 2024 654 grants Preselected only $154,135,132 giving
  19. Rippleworks IncSan Francisco, CA · tax year 2024 89 grants Preselected only $153,837,539 giving
  20. The Heising-Simons FoundationLos Altos, CA · tax year 2024 671 grants Preselected only $149,587,063 giving
  21. The Eli and Edythe Broad FoundationLos Angeles, CA · tax year 2024 126 grants Preselected only $147,984,903 giving
  22. Wellcome Leap IncSan Diego, CA · tax year 2024 171 grants Preselected only $145,907,370 giving
  23. The California EndowmentLos Angeles, CA · tax year 2024 845 grants Preselected only $141,467,127 giving
  24. Valhalla FoundationWoodside, CA · tax year 2024 80 grants Preselected only $131,719,936 giving
  25. Tosa FoundationPortola Valley, CA · tax year 2024 116 grants Preselected only $129,772,088 giving

Foundations that accept applications

Largest first

The return gives an application contact and does not check the preselected-only box.

  1. Genentech Patient FoundationSouth San Francisco, CA · tax year 2024 1 grant Accepts applications $3,452,010,026 giving
  2. The William & Flora Hewlett FoundationMenlo Park, CA · tax year 2024 2,001 grants Accepts applications $625,009,380 giving
  3. The David and Lucile Packard FoundationLos Altos, CA · tax year 2024 1,029 grants Accepts applications $349,965,123 giving
  4. Conrad N Hilton FoundationWestlake Village, CA · tax year 2024 1,339 grants Accepts applications $287,749,627 giving
  5. The Schmidt Family FoundationPalo Alto, CA · tax year 2024 695 grants Accepts applications $185,440,970 giving
  6. Wm Keck FoundationLos Angeles, CA · tax year 2024 260 grants Accepts applications $69,656,739 giving
  7. The Sobrato Family FoundationMountain View, CA · tax year 2024 526 grants Accepts applications $69,330,316 giving
  8. The Ahmanson FoundationBeverly Hills, CA · tax year 2024 470 grants Accepts applications $68,985,498 giving
  9. Wayne and Gladys Valley FoundationOakland, CA · tax year 2024 53 grants Accepts applications $63,067,474 giving
  10. Hobsonlucas Family FoundationSan Rafael, CA · tax year 2024 336 grants Accepts applications $56,811,741 giving
  11. The Conrad Prebys FoundationSan Diego, CA · tax year 2024 392 grants Accepts applications $54,897,373 giving
  12. The California Wellness FoundationLos Angeles, CA · tax year 2024 681 grants Accepts applications $48,752,827 giving
  13. The Marisla FoundationLaguna Beach, CA · tax year 2024 194 grants Accepts applications $46,678,700 giving
  14. The Skoll FoundationPalo Alto, CA · tax year 2024 157 grants Accepts applications $44,853,705 giving
  15. Koret FoundationSan Francisco, CA · tax year 2025 251 grants Accepts applications $40,456,133 giving
  16. Weingart FoundationLos Angeles, CA · tax year 2024 540 grants Accepts applications $38,108,055 giving
  17. Argyros Family FoundationCosta Mesa, CA · tax year 2024 132 grants Accepts applications $33,774,256 giving
  18. Price Philanthropies FoundationLa Jolla, CA · tax year 2024 246 grants Accepts applications $33,754,775 giving
  19. The Panda Charitable Family Foundation (fka the Panda Charitable Foundation)Rosemead, CA · tax year 2024 Grants listed in an attachment (not in the e-file) Accepts applications $32,504,603 giving
  20. Craig H Neilsen FoundationCalabasas, CA · tax year 2024 Grants listed in an attachment (not in the e-file) Accepts applications $30,767,549 giving
  21. Gene Haas FoundationOxnard, CA · tax year 2024 Grants listed in an attachment (not in the e-file) Accepts applications $29,967,047 giving
  22. Arnold and Mabel Beckman FoundationIrvine, CA · tax year 2024 318 grants Accepts applications $29,456,470 giving
  23. The J Paul Getty TrustLos Angeles, CA · tax year 2024 492 grants Accepts applications $29,098,518 giving
  24. Elbridge Stuart Foundation DBA Stuart FoundationSan Francisco, CA · tax year 2024 1 grant Accepts applications $28,947,847 giving
  25. Mercury FoundationRedwood City, CA · tax year 2024 6 grants Accepts applications $28,000,000 giving

Giving by cause

Grants to organizations we matched to the IRS list of exempt organizations, by their category.

  1. Education3,281 foundations $1,944,720,64023% of the total
  2. Philanthropy and grantmaking1,836 foundations $1,651,171,23819% of the total
  3. Environment1,217 foundations $800,924,0819% of the total
  4. Arts and culture2,382 foundations $669,337,6378% of the total
  5. Medical research449 foundations $510,781,0036% of the total
  6. Human services2,613 foundations $470,401,8926% of the total
  7. 19 other causes $2,492,668,33829% of the total

Most active small givers

Foundations with under $1 million in assets, by the number of grants they listed.

  1. PatagoniaorgVentura, CA · tax year 2024 425 grants Preselected only $13,207,055 giving
  2. Banc of California Charitable FoundationSanta Ana, CA · tax year 2024 339 grants Accepts applications $3,228,002 giving
  3. Kayne Anderson Capital Advisors FoundationLos Angeles, CA · tax year 2024 252 grants Preselected only $770,238 giving
  4. Cathay Bank FoundationEl Monte, CA · tax year 2025 227 grants Preselected only $2,831,700 giving
  5. Goldner Family Foundation IncLos Angeles, CA · tax year 2024 224 grants Preselected only $572,680 giving
  6. Doximity FoundationSan Francisco, CA · tax year 2024 220 grants Preselected only $381,335 giving
  7. Ek Charitable Foundation IncLos Angeles, CA · tax year 2024 174 grants Preselected only $435,501 giving
  8. Armanino FoundationSan Ramon, CA · tax year 2024 169 grants Preselected only $334,000 giving
  9. Martin and Ann Goldstein Family FoundationCosta Mesa, CA · tax year 2025 169 grants Preselected only $47,617 giving
  10. Jack A Harris Memorial Scholarship FundCoalinga, CA · tax year 2025 168 grants Accepts applications $259,475 giving
  11. Monster Energy CaresCorona, CA · tax year 2025 158 grants Preselected only $801,241 giving
  12. Ann & Gordon Getty FoundationSan Francisco, CA · tax year 2024 155 grants Preselected only $3,142,000 giving
  13. PG&E Psea Emergency Assistance FundConcord, CA · tax year 2024 141 grants Preselected only $68,016 giving
  14. San Diego County Salute to EducationSan Diego, CA · tax year 2024 138 grants Preselected only $238,664 giving
  15. Ralph & Marsha Guggenheim Family FoundationSan Francisco, CA · tax year 2025 133 grants Preselected only $158,223 giving

Cities

105 cities with 25 or more foundations
446 more cities with two or more