Trione Foundation
Accepts applications
Trione Foundation is a private foundation in Santa Rosa, California. In tax year 2025 it gave $2.1 million in 50 grants; the typical grant was $25,000 and the largest $200,000. It accepts applications; its filing gives the instructions below.
From its IRS Form 990-PF for tax year 2025.
- Grants paid, 2025$2.1 million
- Number of grants50
- Typical grant$25,000
- Largest grant$200,000
- Assets$0
- New grantees42%
Giving in 2025 was up from $2.0 million the year before.
42% of its 2025 grantees had not received a grant from it the year before, a sign it is open to new organizations.
Giving by year
| Tax year | Grants paid | Number of grants | Assets |
|---|---|---|---|
| 2023 | $1.0 million | 38 | $15,215 |
| 2024 | $2.0 million | 54 | $3,833 |
| 2025 | $2.1 million | 50 | $0 |
How to apply
| Contact | Trione Foundation PO Box NN, Santa Rosa, CA 95402 |
|---|---|
| Phone or email | (707) 542-3134 |
| What to submit | Letter describing the request, with full explanation of the planned use of funds, including the amount to be allocated to administrative costs. |
What Trione Foundation funds
Where it gives
Its grants went to recipients in 5 states, the most to California.
| State | Grants | Amount |
|---|---|---|
| California | 46 | $2.0 million |
| Georgia | 1 | $20,000 |
| District of Columbia | 1 | $15,000 |
| New York | 1 | $10,000 |
| Massachusetts | 1 | $1,000 |
Grants paid in 2025
| Recipient | Purpose | Amount |
|---|---|---|
| Stanford University | Siepr | $200,000 |
| Santa Rosa Memorial Hospital Founda | Capital campaign | $179,793 |
| Ceres Community Project | General use | $125,000 |
| Redwood Empire Food Bank | General use | $110,000 |
| Cots | General use | $100,000 |
| United Way | General use | $100,000 |
| 10000 Degress | General use | $100,000 |
| Redwood Gospel Mission | General use | $100,000 |
| Children's Museum of Sonoma County | General purposes | $75,000 |
| Santa Rosa Symphony Assoc | Underwriting Classical series | $65,000 |
| Individual | General use | $65,000 |
| Laguna de Santa Rosa Foundation | General use | $50,000 |
| California Waterfowl Assoc | General use | $50,000 |
| Individual | Environmental education | $50,000 |
| Women's Recovery Services | General use | $50,000 |
| Museum of Sonoma County | Collection of Gay LeBaron oral history of Sonoma County | $50,000 |
| YMCA Sonoma County | General purpose | $50,000 |
| Individual | General use | $50,000 |
| Individual | General use | $50,000 |
| TLC Child Family Services | General use | $50,000 |
| Tides Center | General use | $50,000 |
| Individual | Scholarship fund | $30,000 |
| The Living Room | General purpose | $25,000 |
| Individual | General purposes | $25,000 |
| Sonoma County Library Foundation | Wine Country from Roseland | $25,000 |
| Marines' Memorial Foundation | General use | $25,000 |
| Friends of Trione-Annadel State Par | Park improvements | $23,000 |
| Individual | Scholarship fund | $20,000 |
| Marian Sisters of Santa Rosa | General purpose | $20,000 |
| US Navy Memorial Foundation | Lone Sailor Awards | $15,000 |
| Commandery of St Francis | Wounded Veterans | $10,000 |
| Sonoma County Children's Charities | General use | $10,000 |
| Individual | General | $10,000 |
| Family Justice Center Sonoma County | General purpose | $10,000 |
| Cancer Research Institute | General purposes | $10,000 |
| Healdsburg Food Pantry | General purposes | $10,000 |
| The Bird Rescue Center | General purposes | $10,000 |
| Gotalandia Farm Animal Sanctuary an | General use | $10,000 |
| Luther Burbank Memorial Foundation | General use | $10,000 |
| Individual | General use | $5,000 |
Officers and trustees
- Victor Trione
- Mark Trione
- John Hamann
Questions people ask
Does Trione Foundation accept grant applications?
Yes. Its latest IRS filing says it accepts applications.
How much does Trione Foundation give?
$2.1 million in tax year 2025, across 50 grants, with a typical grant of $25,000.
Who runs Trione Foundation?
Its 2025 filing lists Victor Trione (President), Mark Trione (Vice President) and John Hamann (Secy/Treasurer).
What does Trione Foundation fund?
Based on its grants, mainly education, arts and culture and health.