| 1 | Silicon Valley Community Foundation Mountain View | $19.0B | $4.9B | $12.3B |
| 2 | Donor Advised Charitable Giving San Francisco | $9.7B | $9.7B | $41.1B |
| 3 | Jen-hsun & Lori Huang Foundation Palo Alto | $6.0B | $0 | $9.2B |
| 4 | Good Ventures Foundation Palo Alto | $3.9B | $0 | $7.9B |
| 5 | Gordon E and Betty I Moore Foundation Palo Alto | $3.2B | $0 | $11.5B |
| 6 | Chan Zuckerberg Initiative Foundation Palo Alto | $3.2B | $0 | $7.5B |
| 7 | Carl Victor Page Memorial Foundation Palo Alto | $1.9B | $0 | $4.5B |
| 8 | H&h Evergreen Foundation Menlo Park | $1.8B | $0 | $3.2B |
| 9 | The California Endowment Los Angeles | $1.6B | $0 | $4.5B |
| 10 | Sergey Brin Family Foundation San Francisco | $1.1B | $0 | $4.3B |
| 11 | Wayne & Gladys Valley Charitable Foundation Oakland | $986.0M | $0 | $198.9M |
| 12 | The Eric and Wendy Schmidt Fund for Strategic Innovation Palo Alto | $918.2M | $0 | $1.6B |
| 13 | Crankstart Foundation San Jose | $862.1M | $0 | $4.4B |
| 14 | Marin Community Foundation Novato | $851.6M | $252.4M | $1.1B |
| 15 | James Irvine Foundation San Francisco | $802.9M | $0 | $3.4B |
| 16 | Maxwell Hanrahan Foundation San Francisco | $775.2M | $0 | $561.4M |
| 17 | Waverley Street Foundation Palo Alto | $709.1M | $0 | $2.7B |
| 18 | W M Keck Foundation Los Angeles | $644.2M | $0 | $1.7B |
| 19 | Gene Haas Foundation Oxnard | $629.2M | $0 | $980.0M |
| 20 | Jewish Community Fdn of the Jewish Federation Council of Greater la Los Angeles | $610.5M | $168.5M | $1.2B |
| 21 | J Paul Getty Trust Los Angeles | $572.5M | $0 | $13.0B |
| 22 | Tides Foundation San Francisco | $565.8M | $368.0M | $534.5M |
| 23 | Conrad Prebys Foundation San Diego | $547.5M | $0 | $1.1B |
| 24 | The Skoll Fund Mountain View | $542.6M | $75.2M | $945.8M |
| 25 | Gross Family Charitable Foundation Laguna Beach | $534.6M | $0 | $571.1M |
| 26 | Gary and Mary West Charitable Trust La Jolla | $496.9M | $0 | $411.2M |
| 27 | The San Diego Foundation San Diego | $468.1M | $218.4M | $1.5B |
| 28 | William and Barbara Martin Foundation Los Angeles | $451.9M | $0 | $874.5M |
| 29 | Xie Foundation Sunnyvale | $439.1M | $0 | $1.1B |
| 30 | Jewish Community Federation of S F Marin Peninsula & Sonoma Counties San Francisco | $404.0M | $148.2M | $1.5B |
| 31 | San Francisco Foundation San Francisco | $395.0M | $200.0M | $1.7B |
| 32 | California Community Foundation Los Angeles | $380.5M | $291.6M | $2.2B |
| 33 | Conrad N Hilton Foundation Westlake Vlg | $372.6M | $0 | $7.4B |
| 34 | Sequoia Climate Foundation Irvine | $367.7M | $0 | $113.7M |
| 35 | Valhalla Foundation Woodside | $343.3M | $0 | $527.1M |
| 36 | Arnold and Mabel Beckman Foundation Irvine | $316.0M | $0 | $720.9M |
| 37 | Wood-claeyssens Foundation Santa Barbara | $299.1M | $0 | $131.3M |
| 38 | Sandler Foundation San Francisco | $292.6M | $16.6M | $573.0M |
| 39 | The Clear Fund Oakland | $284.8M | $269.5M | $288.0M |
| 40 | Wallis Annenberg Legacy Foundation Playa Vista | $279.0M | $0 | $456.5M |
| 41 | Santa Barbara Foundation Santa Barbara | $275.0M | $121.6M | $503.6M |
| 42 | Jewish Community Foundation of San Diego San Diego | $273.7M | $273.7M | $788.6M |
| 43 | The California Wellness Foundation Los Angeles | $272.5M | $0 | $1.0B |
| 44 | United States Energy Foundation San Francisco | $261.4M | $261.4M | $215.7M |
| 45 | Hellman Foundation San Francisco | $256.5M | $0 | $625.6M |
| 46 | Daffy Charitable Fund Los Altos | $254.6M | $197.2M | $334.5M |
| 47 | United Way INC Los Angeles | $247.2M | $38.7M | $188.2M |
| 48 | Orange County Community Foundation Irvine | $239.7M | $167.9M | $688.2M |
| 49 | Khr McNeely Family Foundation Sonoma | $237.9M | $0 | $257.3M |
| 50 | Torrey Coast Foundation San Diego | $228.6M | $0 | $317.1M |