Private foundations · 990-PF data

Foundations in California

6,411
foundations
$9.97B
grants paid, FY2021–FY2025
1,087
say they accept unsolicited
$6,000
median grant

Grantlas lists 6,411 private foundations based in California, from their 990-PF filings for FY2021–FY2025. Together they paid out $9.97 billion in grants in their latest filing year, and 1,087 of them (17%) say they accept unsolicited requests. The most common cities are Los Angeles (615), San Francisco (321) and San Jose (216).

Top 25 of 6,411 foundations

All 25 foundations below say on their 990-PF that they accept unsolicited requests. Another 1,062 in this list say so too. Ranked by what they paid in grants in their latest filing.

Foundations in California
Genentech Patient FoundationSouth San Francisco, CA$3.45B$3.45BOne amountFY2024
The Ahmanson FoundationBeverly Hills, CA$50,000$65.5M$2,000–$6.3MFY2023
Wayne and Gladys Valley FoundationOakland, CA$25,000$63.1M$10,000–$20MFY2024
The Marisla FoundationLaguna Beach, CA$75,000$46.7M$10,000–$9.9MFY2024
Koret FoundationSan Francisco, CA$25,000$40.5M$500–$3MFY2025
Weingart FoundationLos Angeles, CA$10,000$38.1M$75–$1.5MFY2024
Argyros Family FoundationCosta Mesa, CA$25,000$33.8M$500–$6.3MFY2024
Price Philanthropies FoundationLa Jolla, CA$22,410$33.8M$1,000–$19.1MFY2024
The Panda Charitable Family FoundationRosemead, CA$32.5M$32.5MOne amountFY2024
Arnold and Mabel Beckman FoundationIrvine, CA$26,000$29.5M$25–$3.7MFY2024
The J Paul Getty TrustLos Angeles, CA$7,900$29.1M$50–$10.9MFY2024
Mercury FoundationRedwood City, CA$2M$28M$10,000–$15MFY2024
Lakeshore FoundationRedwood City, CA$500,000$21.7M$100,000–$3.5MFY2024
Cisco Systems FoundationSan Jose, CA$17.8M$18.6M$610,600–$18.6MFY2024
The Ralph M Parsons FoundationLos Angeles, CA$30,000$18.2M$100–$500,000FY2024
Simpson Psb FundOrinda, CA$22,500$17.4M$1,000–$10MFY2024
California Physicians' Service FdnSan Francisco, CA$100,000$16.6M$10,000–$1.5MFY2024
The Duffield Family FoundationPleasanton, CA$5,000$14M$200–$1.5MFY2024
Fritz B Burns FoundationWoodland Hills, CA$200,000$13.8M$5,000–$3MFY2024
The Applied Materials FoundationSanta Clara, CA$247,082$13.4M$98,210–$3.6MFY2024
Unihealth FoundationPasadena, CA$100,000$12.6M$104–$701,725FY2024
The McConnell FoundationRedding, CA$7,450$11.6M$75–$3.5MFY2024
Easton Sports Development Foundation IIVan Nuys, CA$988$11.1M$435–$4MFY2024
Gleason Family FoundationPine Grove, CA$6,000$10.7M$500–$9.6MFY2024
Torrey Coast FoundationSan Diego, CA$249,731$10.7M$75,000–$2.5MFY2024
  • Median grant and grant range come from the grant schedule of the 990-PF. A dash means that foundation filed none, and “one amount” means every grant it filed was for the same figure.

6,386 more foundations — see all in Grantlas

Data from 990-PF filings, FY2021–FY2025. Updated September 20, 2026.