5 philanthropy & grantmaking nonprofits in San Mateo, California. $259.2M combined revenue. AI-analyzed IRS 990 data.
| # | Organization | Revenue | Assets | Score |
|---|---|---|---|---|
| 1 | Helen And Sanford Diller Family Foundation | $121.4M | $0 | — |
| 2 | Baszucki Family Foundation | $120.5M | $0 | — |
| 3 | With Foundation | $9.5M | $0 | — |
| 4 | Elfenworks Foundation | $4.1M | $0 | — |
| 5 | Greene Van Arsdale Foundation | $3.6M | $0 | — |
There are 5 philanthropy & grantmaking nonprofits in San Mateo, California, with $259.2M in combined annual revenue.
The largest by revenue is Greene Van Arsdale Foundation with $3.6M in annual revenue.
Click on any organization above to view its full AI-powered transparency report, including IRS 990 financial data, spending breakdowns, executive compensation, and risk assessments.
Yes, visit the San Mateo city page to see all nonprofit categories operating in this city, or use our search to find specific organizations.