Alvin James Hansen Foundation
Alvin James Hansen Foundation is a nonprofit organization focused on Philanthropy, Voluntarism & Grantmaking, based in Petaluma, CA. IRS filing data is available from 2019 through 2025. In 2025, it awarded 5 grants totaling $175K.
Key facts about Alvin James Hansen Foundation
- EIN
- 36-4750791
- Latest 990 filing
- Form 990-PF, 2025
- Annual giving (2025)
- $175,100
- Grants made (2025)
- 5
- Average grant
- $35,020
- Median grant
- $37,500
- Primary geography
- California (100% of itemized 2025 grant dollars)
Data from IRS Form 990-PF, 2025; updated September 2026.
Who Alvin James Hansen Foundation funds
By grant dollars, the top recipient states for Alvin James Hansen Foundation's 5 itemized 2025 grants were California (100%). The most frequent recipient cities were Santa Rosa, CA (3 grants). None of its 5 grants with a stated purpose were described as general or operating support.
How Alvin James Hansen Foundation gives
- Giving fell 67% from 2022 to 2025. Method
From the foundation's IRS Form 990-PF filings. Methodology.
Next steps with Alvin James Hansen Foundation
- How to evaluate Alvin James Hansen Foundation as a funder
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Financial Overview
From 2025 IRS Form 990-PF · View filing
Total Assets
—
Annual Giving
$175K
-57.4% YoY
Grant Count
5
+0.0% YoY
Avg Grant Size
$35K
-57.4% YoY
About Alvin James Hansen Foundation
Based on IRS filings
Alvin James Hansen Foundation is a nonprofit organization focused on Philanthropy, Voluntarism & Grantmaking, based in Petaluma, CA. IRS filing data is available from 2019 through 2025. In 2025, it awarded 5 grants totaling $175K.
Focus Areas
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Geographic Focus
Where this funder awards grants
Grant Distribution by State
Share of all 5 itemized 2025 grant dollars.
States
Cities
Financial History
Multi-year comparison from IRS filings
| Metric | 2025 | 2024 | 2023 |
|---|---|---|---|
| Total Assets | — | — | — |
| Revenue | — | — | — |
| Expenses | — | — | — |
| Qualifying Distributions | — | — | — |
| Net Investment Income | — | — | — |
| Distributable Amount | — | — | — |
Data update history
When this profile's IRS filing data changed on Grantable
- Added Form 990-PF for fiscal year 2025 (received by the IRS May 15, 2026)
- IRS filings on file for fiscal years 2019–2024
Giving Over Time
Total grant dollars and number of grants per year
Grant Insights
How this funder distributes its grants
Top Recipients
Top 5 recipients in 2025
Grant Size Distribution
22 grants across all recorded years
Giving History
Grant recipients and amounts by year
Among its reported 2025 grants, the largest recipients include Sonoma Valley High School Ag ($50,000), Two Rock Fire Dept ($41,600), Sonoma County Fair Foundation ($37,500).
| Recipient | Purpose | Amount |
|---|---|---|
| SONOMA VALLEY HIGH SCHOOL AG Sonoma, CA | EDUCATION | $50,000 |
| TWO ROCK FIRE DEPT Petaluma, CA | VARIOUS | $41,600 |
| SONOMA COUNTY FAIR FOUNDATION Santa Rosa, CA | SCHOLARSHIPS AND GRANTS | $37,500 |
| SONOMA-MARIN AG ASSN Santa Rosa, CA | SCHOLARSHIPS AND GRANTS | $31,000 |
| SONOMA COUNTY FARM BUREAU Santa Rosa, CA | GRANTS, SCHOLARSHIPS, AG DAYS SPONSORSHIP | $15,000 |
Leadership & Key People
Officers and directors from IRS filings
Compensation Overview
No officer or director reported compensation in the available filings.
From 2025 IRS filing
| Name | Title | Hours | Compensation |
|---|---|---|---|
| Warren Thom Knudson | President | — | — |
| Michael F Tomasini | Secretary | — | — |
| Christopher Dobson | Treasurer | — | — |
| Edie Cheda | Director | — | — |
| Jacob Dunn | Director | — | — |
Subject Areas
Focus areas based on grantmaking activity
Frequently Asked Questions
What is Alvin James Hansen Foundation?
Alvin James Hansen Foundation is a nonprofit organization focused on Philanthropy, Voluntarism & Grantmaking, based in Petaluma, CA. It holds — in total assets as of 2025.
Where does Alvin James Hansen Foundation operate?
Alvin James Hansen Foundation has awarded grants in California.
What size grants does Alvin James Hansen Foundation award?
In 2025, Alvin James Hansen Foundation awarded 5 grants totaling $175K — an average of about $35K per grant, based on its IRS Form 990 filings.
What is Alvin James Hansen Foundation's EIN?
Alvin James Hansen Foundation's EIN (Employer Identification Number) is 36-4750791. IRS Form 990 filing data is available on this page for 2019–2025.
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Data last updated September 2026. Sourced from IRS Form 990-PF filings.