Trione Foundation
Trione Foundation is a private foundation based in Santa Rosa, California. It made 50 grants totaling $2,053,593 in filing year 2025, with recipients including community-service, education, arts, health, and environmental organizations.
Trione Foundation at a glance
In short: Trione Foundation gave $2.1M across 50 grants in 2025 (avg $41K), mostly in California. 15% of 2025 grantees were new. Source: 2025 IRS Form 990-PF.
- Annual giving (2025)
- $2,053,593
- +1.0% vs 2024
- Grants made (2025)
- 50
- -7.4% vs 2024
- Average grant
- $41,072
- +9.1% vs 2024
- Median grant
- $25,000
- Total assets
- $11,669
- +204.4% vs 2024
- New grantees (estimate)
- 15% first-time grantees (7 of 48, 2025)
- Primary geography
- California (98% of itemized 2025 grant dollars)
- Latest 990 filing
- Form 990-PF, 2025 View filing
Data from IRS Form 990-PF, 2025; updated October 2026. New grantees are estimated by matching recipient names across years (methodology).
How to apply to Trione Foundation
- How to Apply
-
The foundation’s filing says to contact Trione Foundation with a letter describing the request and explaining the planned use of funds, including the amount allocated to administrative costs. The filing states there are no restrictions on awards.
- Contact
Application contact: Trione Foundation
Mailing address: PO Box Nn, Santa Rosa, CA 95402
Phone: (707) 542-3134
Application details from Grantable's research on the foundation's public materials; confirm on its website before applying.
Who Trione Foundation funds
How this funder distributes its grants
Top Recipients
Top 10 recipients in 2025
The largest 2025 recipient was Stanford University ($200K). Together the top 10 received $1.2M.
Organizations only. It also paid 1 individual scholarship ($30,000), which are not listed by name.
Grant Size Distribution
219 grants across all recorded years
The most common grant size was under $50K: 156 grants of 219 (71%).
Geographic Focus
Where this funder awards grants
In 2025, 98% of grant dollars went to recipients in California, 1% to Georgia, and 1% to Washington, DC. New York and Massachusetts each accounted for 0%.
Grant Distribution by State
Share of 2025 grant dollars across all 50 itemized grants.
Cities
Is Trione Foundation open to new grantees?
15%
first-time grantees, 2025
In 2025, 7 of 48 grantees (15%) were first-time recipients. First grants averaged $40K; repeat grants $42K. How we count
Medians: $25K first-time, $25K repeat.
- 65% of 2025 grantees were also funded in 2024. Method
- Giving grew 67% from 2022 to 2025. Method
- In 2021 it paid out well above its IRS minimum distribution (the 5% rule). Method
Estimate from itemized grant lists in IRS Form 990-PF filings (2019–2025). Recipient names are matched across years, so a renamed or misspelled grantee can look new; grants to individuals are left out. Methodology.
Giving History
Giving Over Time
Total grant dollars and number of grants per year
From 2019 to 2025, annual grant giving ranged from $860K (2019) to $2.1M (2025). In 2025 it made 50 grants totaling $2.1M.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| Stanford University Stanford, CA | SIEPR | $200,000 |
| Santa Rosa Memorial Hospital Founda Santa Rosa, CA | Capital campaign | $179,793 |
| Ceres Community Project Sebastopol, CA | General use | $125,000 |
| Redwood Empire Food Bank Santa Rosa, CA | General use | $110,000 |
| Cots Petaluma, CA | General use | $100,000 |
| United Way Santa Rosa, CA | General use | $100,000 |
| 10000 Degress Santa Rosa, CA | General use | $100,000 |
| Redwood Gospel Mission Santa Rosa, CA | General use | $100,000 |
| Children's Museum of Sonoma County Santa Rosa, CA | General purposes | $75,000 |
| Santa Rosa Symphony Assoc Santa Rosa, CA | Underwriting Classical series | $65,000 |
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Financial History
Multi-year comparison from IRS filings
| Filing year | Total Assets | Revenue | Expenses | Grants paid | Grants | Qualifying Distributions | Net Investment Income | Distributable Amount |
|---|---|---|---|---|---|---|---|---|
| 2025 | $11,669 | $3,786,319 | $2,074,026 | $2,053,593 | 50 | $2,053,593 | $1,690,816 | — |
| 2024 | $3,833 | $3,458,318 | $2,047,911 | $2,032,278 | 54 | $2,032,278 | $1,403,720 | — |
| 2023 | $15,215 | $1,937,927 | $1,024,509 | $1,014,045 | 38 | $1,014,045 | $905,767 | — |
| 2022 | $10,207 | $1,989,523 | $1,240,778 | $1,232,931 | 43 | $1,232,931 | $737,013 | — |
| 2021 | $6,746 | $1,100,846 | $962,868 | $955,467 | 34 | $955,467 | $538,953 | $7,310 |
| 2020 | $273,868 | $1,660,303 | $907,942 | $907,875 | 21 | — | $500,103 | — |
| 2019 | $29,706 | $101,333 | $863,061 | $859,700 | 40 | — | $329 | — |
Research compiled by Grantable AI from public sources. Last updated September 2026.
Mission & Focus Areas
No foundation mission is stated in the available information. Its 2025 grants included support for organizations working in varied areas. For example, Redwood Empire Food Bank describes its mission as feeding neighbors in need and helping end hunger; the Children’s Museum of Sonoma County says it inspires children’s curiosity and creativity; and the Laguna de Santa Rosa Foundation says it works to restore and conserve the Laguna and inspire appreciation for it.
Other 2025 recipients include the Museum of Sonoma County, which says it engages and inspires the community through art and history, and Free to Be, which says it builds confidence in Sonoma County youth. These are the organizations’ own descriptions of their missions.
Grantmaking
In filing year 2025, the foundation reported 50 grants totaling $2,053,593. Grant amounts ranged from $500 to $200,000, with a median of $25,000.
Among the largest grants were $200,000 to Stanford University for SIEPR; $179,793 to Santa Rosa Memorial Hospital Foundation for a capital campaign; $125,000 to Ceres Community Project for general use; and $110,000 to Redwood Empire Food Bank for general use. Other grants included $100,000 each to COTS, United Way, 10000 Degress, and Redwood Gospel Mission, all for general use.
Leadership & Key People
Leadership team and compensation from IRS filings
The 2025 filing lists Victor Trione as President, Mark Trione as Vice President, and John Hamann as Secretary/Treasurer.
Trione Foundation is led by Victor Trione, President on every filing since 2019; none of the 3 officers listed in 2025 report compensation.
Officers on the 2025 filing
Victor Trione
President
On filings since 2019
No compensation reported
John Hamann
Secretary & Treasurer
Treasurer → Secretary & Treasurer, 2021
On filings since 2019
No compensation reported
Mark Trione
Vice President
Secretary → Vice President, 2021
On filings since 2019
No compensation reported
Data from IRS Form 990 filings, 2019–2025. "On filings since" is the earliest filing we hold that lists the person; hours are average hours per week as reported.
Frequently asked questions about Trione Foundation
How much does Trione Foundation give each year?
Trione Foundation gave $2.1M across 50 grants in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $2.0M across 54 grants.
What is Trione Foundation's typical grant size?
Trione Foundation's median grant in 2025 was $25,000, and its average grant was $41,072, across 50 grants on its 2025 IRS Form 990-PF. Organizations receiving their first grant from Trione Foundation that year got $40K on average.
Where does Trione Foundation give grants?
Trione Foundation gives mostly in California: 98% of the grant dollars itemized on its 2025 IRS Form 990-PF went to recipients there. The most frequent recipient cities were Santa Rosa, CA (30 grants), Sebastopol, CA (3 grants), Kenwood, CA (2 grants) and Healdsburg, CA (2 grants).
Does Trione Foundation give general operating support?
Yes: 74% of Trione Foundation's 2025 grants with a stated purpose (37 of 50) were for general or operating support, per its 2025 IRS Form 990-PF.
Who are Trione Foundation's largest grantees?
Trione Foundation's largest 2025 grantees include Stanford University ($200,000), Santa Rosa Memorial Hospital Founda ($179,793) and Ceres Community Project ($125,000), according to its 2025 IRS Form 990-PF. It also paid 1 individual scholarship ($30,000), which are not listed by name. Together they received 25% of its itemized 2025 grant dollars.
How large is Trione Foundation?
Trione Foundation reported $12K in total assets on its 2025 IRS Form 990-PF. Its revenue that year was $3.8M.
What does Trione Foundation fund?
No foundation mission is stated in the available information. Its 2025 grants included support for organizations working in varied areas. See mission & focus areas ↑
How do I apply for a grant from Trione Foundation?
The foundation’s filing says to contact Trione Foundation with a letter describing the request and explaining the planned use of funds, including the amount allocated to administrative costs. Eligibility and process details are in the grantmaking section of this profile. See how to apply ↑
What is Trione Foundation's EIN?
Trione Foundation's EIN (Employer Identification Number) is 94-1693238. IRS Form 990 filing data is available on this page for 2019–2025.
Data last updated October 2026. Sourced from IRS Form 990-PF filings. Research dossier generated September 2026.
Data update history
(3)
When this profile's IRS filing data changed on Grantable
- Added Form 990-PF for fiscal year 2019 (received by the IRS May 8, 2020)
- Added Form 990-PF for fiscal year 2025 (received by the IRS May 6, 2026)
- IRS filings on file for fiscal years 2020–2024
Explore Open Grants
Browse active grant opportunities in Trione Foundation's focus areas in our free grants database
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Cite this profile
Grantable. (2026). Trione Foundation funder profile. GrantGraph. Retrieved October 16, 2026, from https://grantable.co/funders/trione-foundation-morg_9cfa54829ec64e729a02875212c26f0a
BibTeX
@misc{grantable_941693238_2026,
author = {{Grantable}},
title = {{Trione Foundation funder profile}},
howpublished = {GrantGraph},
year = {2026},
url = {https://grantable.co/funders/trione-foundation-morg_9cfa54829ec64e729a02875212c26f0a},
note = {Accessed 2026-10-16. Data licensed CC BY 4.0}
}The figures on this page are open data under CC BY 4.0: reuse them with credit to Grantable and a link. Download the data.
Figures come from Trione Foundation's IRS filings (methodology). AI-written summaries, news items and logos are not covered by the open licence. Spot an error? Email hello@grantable.co.
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