225 private foundations reported grants to Tucson, Arizona 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, 225 private foundations reported 489 grants totaling $34,694,307 to 292 organizations in Tucson, Arizona. The most-funded purposes were education (52 grants) and health & medical (31 grants). The Diane and Bruce Halle Foundation gave the most by reported dollars — $10,559,000 across 20 grants. The median reported grant was $10,000.
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 Arizona dollars that landed in Tucson — a funder at 90% is effectively a Tucson funder, one at 5% happens to give here.
| Foundation | Grants | Total | Of state |
|---|---|---|---|
| The Diane and Bruce Halle Foundation | 20 | $10,559,000 | 24% |
| Frederick Gardner Cottrell Foundation | 14 | $3,924,579 | 95% |
| The Eliot Spalding Foundation | 11 | $3,011,161 | 100% |
| Carroll Petrie Foundation | 5 | $1,275,000 | 89% |
| Waverley Street Foundation | 2 | $1,100,000 | 84% |
| Lapan Memorial Sunshine Foundation Inc | 13 | $965,500 | 56% |
| A Frederick Banfield Charitable Trust | 5 | $940,000 | 100% |
| Gates Foundation | 3 | $885,554 | 4% |
Totals across every reported grant in the filings above. Individuals are excluded.
| Recipient | Grants | Total |
|---|---|---|
| University of Arizona Foundation | 43 | $3,644,009 |
| Community Foundation for Southern Arizona | 13 | $3,513,161 |
| C-path Institute Trxa | 1 | $3,100,000 |
| El Rio Health Center Foundation Inc | 5 | $1,873,000 |
| Center for Biological Diversity | 29 | $1,647,085 |
| Pima JTED | 1 | $1,250,000 |
| Arizona Board of Regents University of Arizona | 2 | $1,200,000 |
| Research Corporation for Science Advancement | 3 | $1,186,579 |
| Habitat for Humanity Tucson | 4 | $1,171,470 |
| Catholic Community Services of Southern Arizona | 2 | $1,120,000 |
225 private foundations reported grants to recipients in Tucson, Arizona on their IRS Form 990-PF filings, totaling $34,694,307 across 489 grants. The largest by reported dollars were The Diane and Bruce Halle Foundation, Frederick Gardner Cottrell Foundation, The Eliot Spalding Foundation. These are historical filings, not open application portals — contact each foundation for current guidelines.
Reported purposes in Tucson, Arizona concentrate in education (52), health & medical (31), scholarships & financial aid (26). 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 Tucson, Arizona recipient was $10,000, and the largest single reported grant was $3,100,000. 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.
