Alvin James Hansen Foundation
Alvin James Hansen Foundation is a private foundation, based in Petaluma, CA. IRS filing data is available from 2019 through 2025. As of 2025, the organization holds $8.8M in total assets. In 2025, it awarded 5 grants totaling $175K. Net investment income was $319K.
Alvin James Hansen Foundation at a glance
In short: Alvin James Hansen Foundation gave $175K across 5 grants in 2025 (avg $35K), mostly in California. Source: 2025 IRS Form 990-PF.
- Annual giving (2025)
- $175,100
- -57.4% vs 2024
- Grants made (2025)
- 5
- +0.0% vs 2024
- Average grant
- $35,020
- -57.4% vs 2024
- Median grant
- $37,500
- Total assets
- $8,785,203
- +1.6% vs 2024
- Primary geography
- California (100% of itemized 2025 grant dollars)
- Latest 990 filing
- Form 990-PF, 2025 View filing
Data from IRS Form 990-PF, 2025; updated September 2026.
Who Alvin James Hansen Foundation funds
How this funder distributes its grants
Top Recipients
Top 5 recipients in 2025
The largest 2025 recipient was Sonoma Valley High School Ag ($50K). Together the top 5 received $175K.
Grant Size Distribution
22 grants across all recorded years
The most common grant size was under $50K: 12 grants of 22 (55%).
Geographic Focus
Where this funder awards grants
Grant Distribution by State
Share of 2025 grant dollars across all 5 itemized grants.
States
Cities
How Alvin James Hansen Foundation gives
- Giving fell 67% from 2022 to 2025. Method
From the foundation's IRS Form 990-PF filings. Methodology.
Giving History
Giving Over Time
Total grant dollars and number of grants per year
From 2019 to 2025, annual grant giving ranged from $175K (2025) to $535K (2022). In 2025 it made 5 grants totaling $175K.
Grants by year
Grant recipients and amounts by year
| 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 |
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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 |
|---|---|---|---|---|---|---|---|
| 2025 | $8,785,203 | $352,387 | $213,065 | $175,100 | 5 | $175,100 | $319,421 |
| 2024 | $8,645,881 | $270,175 | $440,763 | $410,883 | 5 | $411,733 | $294,120 |
| 2023 | $8,816,469 | $287,416 | $252,087 | $217,000 | 3 | $217,962 | $256,515 |
| 2022 | $8,781,140 | $250,307 | $577,401 | $535,000 | 5 | $535,863 | $224,338 |
| 2021 | $9,106,275 | $247,540 | $428,875 | $395,000 | 4 | — | $215,284 |
| 2020 | $9,289,764 | $294,152 | $545,305 | $512,700 | 6 | — | $262,753 |
| 2019 | $9,441,952 | $232,876 | $407,676 | $400,000 | 13 | — | $232,876 |
Leadership & Key People
Officers and directors from IRS filings
Alvin James Hansen Foundation is led by Warren Thom Knudson, President since 2023 (on filings since 2019); none of the 5 officers listed in 2025 report compensation.
Officers on the 2025 filing
Warren Thom Knudson
President
Trustee → President, 2023
On filings since 2019
No compensation reported
Edie Cheda
Director
On filings since 2023
No compensation reported
Jacob Dunn
Director
On filings since 2023
No compensation reported
Christopher Dobson
Treasurer
Trustee → Treasurer, 2023
On filings since 2019
No compensation reported
Michael F. Tomasini
Secretary
Trustee → Secretary, 2023
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 Alvin James Hansen Foundation
How much does Alvin James Hansen Foundation give each year?
Alvin James Hansen Foundation gave $175K across 5 grants in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $411K across 5 grants.
What is Alvin James Hansen Foundation's typical grant size?
Alvin James Hansen Foundation's median grant in 2025 was $37,500, and its average grant was $35,020, across 5 grants on its 2025 IRS Form 990-PF.
Where does Alvin James Hansen Foundation give grants?
Alvin James Hansen Foundation gives mostly in California: 100% 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 (3 grants).
Does Alvin James Hansen Foundation give general operating support?
Not in 2025: none of the 5 grants with a stated purpose on Alvin James Hansen Foundation's 2025 IRS Form 990-PF were described as general or operating support.
Who are Alvin James Hansen Foundation's largest grantees?
Alvin James Hansen Foundation's largest 2025 grantees include Sonoma Valley High School Ag ($50,000), Two Rock Fire Dept ($41,600) and Sonoma County Fair Foundation ($37,500), according to its 2025 IRS Form 990-PF. Together they received 74% of its itemized 2025 grant dollars.
How large is Alvin James Hansen Foundation?
Alvin James Hansen Foundation reported $8.8M in total assets on its 2025 IRS Form 990-PF. Its revenue that year was $352K.
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.
Data last updated September 2026. Sourced from IRS Form 990-PF filings.
Data update history
(8)
When this profile's IRS filing data changed on Grantable
- Updated Form 990-PF for fiscal year 2019 (received by the IRS February 7, 2020)
- Updated Form 990-PF for fiscal year 2020 (received by the IRS February 27, 2021)
- Updated Form 990-PF for fiscal year 2021 (received by the IRS November 11, 2021)
- Updated Form 990-PF for fiscal year 2022 (received by the IRS August 29, 2022)
- Updated Form 990-PF for fiscal year 2023 (received by the IRS August 8, 2023)
- Updated Form 990-PF for fiscal year 2024 (received by the IRS May 14, 2025)
- Added Form 990-PF for fiscal year 2025 (received by the IRS May 15, 2026)
- IRS filings on file for fiscal years 2019–2024
Live grants for the work Alvin James Hansen Foundation funds
Philanthropy, Voluntarism & Grantmaking Open opportunities, soonest deadline first.
- Nixa Affiliate Grantmaking Program Up to US $10,000 · Due October 19, 2026
- Community and School Grants $28,000 total pool; 10-15 grants expected · Due October 19, 2026
- Mary Pinola/Crescenta Valley Chamber Education Fund $500 - $5,000 for ongoing programs; up to $15,000 for Strategic Initiative Grants · Due October 19, 2026
Explore Open Grants
Browse active grant opportunities in Alvin James Hansen Foundation's focus areas in our free grants database
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