19 private foundations reported grants to San Marcos, California recipients on their IRS Form 990-PF filings for tax years 2023–2025. 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 2023–2025, 19 private foundations reported 27 grants totaling $1,178,167 to 16 organizations in San Marcos, California. The most-funded purposes were education (6 grants) and arts & culture (2 grants). The Shiley Foundation gave the most by reported dollars — $500,000 across 1 grant. The median reported grant was $10,500.
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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 Marcos — a funder at 90% is effectively a San Marcos funder, one at 5% happens to give here.
| Foundation | Grants | Total | Of state |
|---|---|---|---|
| The Shiley Foundation | 1 | $500,000 | 46% |
| The Nordson Corporation Foundation | 6 | $187,500 | 24% |
| The Henry Luce Foundation Inc | 1 | $100,000 | 2% |
| Gates Foundation | 1 | $99,567 | 0% |
| The JEM Project | 1 | $75,000 | 4% |
| Marriott Daughters Foundation | 2 | $50,000 | 3% |
| Paul and Magdalena Ecke Poinsettia Foundation | 2 | $45,000 | 32% |
| Moss Adams Foundation | 1 | $25,000 | 6% |
Totals across every reported grant in the filings above. Individuals are excluded.
| Recipient | Grants | Total |
|---|---|---|
| CA State SAN Marcos Foundation | 1 | $500,000 |
| California State University SAN Marcos Corporation | 6 | $284,567 |
| California Indian Culture and Sovereignty Center (CICSC) | 1 | $100,000 |
| Casa DE Amparo | 4 | $85,000 |
| The SAN Marcos Promise DBA Project Next | 2 | $80,000 |
| Palomar College | 2 | $40,000 |
| Boys & Girls Club of SAN Marcos | 2 | $30,000 |
| Kevin Christopher Brown JR | 1 | $10,500 |
| Straight from the Heart | 1 | $10,000 |
| Wounded Warrior Homes | 1 | $10,000 |
19 private foundations reported grants to recipients in San Marcos, California on their IRS Form 990-PF filings, totaling $1,178,167 across 27 grants. The largest by reported dollars were The Shiley Foundation, The Nordson Corporation Foundation, The Henry Luce Foundation Inc. These are historical filings, not open application portals — contact each foundation for current guidelines.
Reported purposes in San Marcos, California concentrate in education (6), arts & culture (2), research & science (1). 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 Marcos, California recipient was $10,500, and the largest single reported grant was $500,000. 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 2023–2025). 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.
