49 private foundations reported grants to San Mateo, California recipients on their IRS Form 990-PF filings for tax years 2023–2024. Historical giving records — not an open application portal.
Compiled from public IRS Form 990-PF Part XV filings. UseGrants is an independent aggregator, not affiliated with any foundation listed. Grants paid directly to named individuals are excluded from recipient counts and tables.
Across tax years 2023–2024, 49 private foundations reported 70 grants totaling $63,694,958 to 52 organizations in San Mateo, California. The most-funded purposes were education (10 grants) and health & medical (5 grants). The Roberts Foundation gave the most by reported dollars — $49,796,447 across 1 grant. The median reported grant was $15,699.
This page shows what foundations have already given here. To find funding open right now, check your eligibility in a couple of minutes.
Purpose text from each foundation’s own Part XV filing, bucketed into plain-English themes.
“Of state” is the share of that foundation’s reported California dollars that landed in San Mateo — a funder at 90% is effectively a San Mateo funder, one at 5% happens to give here.
| Foundation | Grants | Total | Of state |
|---|---|---|---|
| The Roberts Foundation | 1 | $49,796,447 | 100% |
| Gates Foundation | 1 | $6,500,000 | 2% |
| Fredrick W Petri Foundation | 1 | $4,063,915 | 78% |
| The Sobrato Family Foundation | 9 | $1,042,500 | 2% |
| This is Kari & Philip's Foundation | 3 | $266,397 | 79% |
| Ramsay Family Foundation | 2 | $265,000 | 15% |
| The Fortive Foundation | 1 | $200,000 | 100% |
| Solid Rock Foundation | 1 | $200,000 | 8% |
Totals across every reported grant in the filings above. Individuals are excluded.
| Recipient | Grants | Total |
|---|---|---|
| Total Grants Paid - See Attachment | 1 | $49,796,447 |
| Caption Health Inc | 1 | $6,500,000 |
| Ymca | 1 | $4,063,915 |
| Samaritan House | 5 | $590,700 |
| The Carey School | 3 | $270,000 |
| Human Investment Project Inc | 2 | $270,000 |
| UP Academy Inc | 3 | $266,397 |
| Anita Borg Institute for Women and Technology NA US | 1 | $200,000 |
| TEAM4TECH Foundation | 1 | $171,924 |
| Peninsula Bridge | 2 | $170,000 |
49 private foundations reported grants to recipients in San Mateo, California on their IRS Form 990-PF filings, totaling $63,694,958 across 70 grants. The largest by reported dollars were The Roberts Foundation, Gates Foundation, Fredrick W Petri Foundation. These are historical filings, not open application portals — contact each foundation for current guidelines.
Reported purposes in San Mateo, California concentrate in education (10), health & medical (5), community & economic development (4). Purpose text comes from Part XV of each foundation's own 990-PF filing, bucketed into plain-English themes.
The median reported grant to a San Mateo, California recipient was $15,699, and the largest single reported grant was $49,796,447. Amounts are as reported by the filing foundation and reflect a historical tax year.
Foundation filings are historical. The UseGrants feed tracks federal and state opportunities that are open today, with the eligibility explained in plain English.
Source: public IRS Form 990-PF Part XV filings (tax years 2023–2024). Amounts are as reported by each filing foundation and reflect historical giving, not a current application opportunity. Recipient location is the address the foundation reported, which may differ from where a program operates. UseGrants is an independent aggregator — always confirm details with the funder before applying.
