Hamilton Family Foundation is a private foundation focused on Philanthropy, Voluntarism & Grantmaking, based in SANTA ROSA, CA. IRS filing data is available from 2021 through 2024. As of 2024, the organization holds $1.1M in total assets. In 2024, it awarded 6 grants totaling $60K. Net investment income was $58K.
Financial Overview
From 2024 IRS Form 990-PF · View filing
Total Assets
$1.1M
+13.1% YoY
Annual Giving
$60K
-33.3% YoY
Grant Count
6
-14.3% YoY
Avg Grant Size
$10K
-22.2% YoY
Under IRS private-foundation payout rules, Hamilton Family Foundation reported a distributable amount of $52K for 2024 — the minimum it must pay out in qualifying distributions.
About Hamilton Family Foundation
Based on IRS filings
Hamilton Family Foundation is a private foundation focused on Philanthropy, Voluntarism & Grantmaking, based in SANTA ROSA, CA. IRS filing data is available from 2021 through 2024. As of 2024, the organization holds $1.1M in total assets. In 2024, it awarded 6 grants totaling $60K. Net investment income was $58K.
Focus Areas
Ready to take the next step with Hamilton Family Foundation?
Geographic Focus
Where this funder awards grants
Grant Distribution by State
Cities
Financial History
Multi-year comparison from IRS filings
| Metric | 2024 | 2023 | 2022 |
|---|---|---|---|
| Total Assets | $1,132,289 | $1,001,244 | $941,132 |
| Revenue | $74,618 | $193,707 | $136,446 |
| Expenses | $78,168 | $102,527 | $115,520 |
| Qualifying Distributions | $64,405 | $92,975 | $102,950 |
| Net Investment Income | $58,387 | $139,847 | $25,576 |
| Distributable Amount | $51,933 | $43,606 | $47,498 |
Giving Over Time
Total grant dollars and number of grants per year
Grant Insights
How this funder distributes its grants
Top Recipients
Top 6 recipients in 2024
Grant Size Distribution
27 grants across all recorded years
Giving History
Grant recipients and amounts by year
Among its reported 2024 grants, the largest include Aclu (american Civil Liberties Union) ($10,000), Giffords Law Center to Prevent Gun Violence ($10,000), Partners for World Health ($10,000).
| Recipient | Purpose | Amount |
|---|---|---|
| ACLU (AMERICAN CIVIL LIBERTIES UNION) NEW YORK, NY | GENERAL USE | $10,000 |
| GIFFORDS LAW CENTER TO PREVENT GUN VIOLENCE SAN FRANCISCO, CA | GENERAL USE | $10,000 |
| PARTNERS FOR WORLD HEALTH PORTLAND, ME | GENERAL USE | $10,000 |
| PLANNED PRENTHOOD FEDWRATION OF AMERICA WASHINGTON, DC | GENERAL USE | $10,000 |
| USA FOR UNHCR WASHINGTON, DC | GENERAL USE | $10,000 |
| WORLD CENTRAL KITCHEN WASHINGTON, DC | GENERAL USE | $10,000 |
Leadership & Key People
Officers and directors from IRS filings
Compensation Overview
From 2024 IRS filing
From 2024 filing
| Name | Title | Hours | Compensation |
|---|---|---|---|
| SUSAN BRIN | DIRECTOR, PRESIDENT & EXC DIRECTOR | 0.5 | — |
| MARK HAMILTON | DIRECTOR, CFO | 0.5 | — |
| BARBARA TAMBORSKI | DIRECTOR | 0.25 | — |
| MARIE HAMILTON | DIRECTOR, CHAIRPERSON & SECRETARY | 0.5 | — |
| BERNARD HAMILTON | DIRECTOR | 0.25 | — |
Subject Areas
Focus areas based on grantmaking activity
Frequently Asked Questions
What is Hamilton Family Foundation?
Hamilton Family Foundation is a private foundation focused on Philanthropy, Voluntarism & Grantmaking, based in SANTA ROSA, CA. It holds $1.1M in total assets as of 2024.
How large is Hamilton Family Foundation?
As of 2024, Hamilton Family Foundation holds $1.1M in total assets with $75K in annual revenue. It awarded 6 grants totaling $60K in 2024.
Where does Hamilton Family Foundation operate?
Hamilton Family Foundation has awarded grants in California, District of Columbia, Illinois, Massachusetts, Maine, New York, Virginia.
What size grants does Hamilton Family Foundation award?
In 2024, Hamilton Family Foundation awarded 6 grants totaling $60K — an average of about $10K per grant, based on its IRS Form 990 filings.
How much is Hamilton Family Foundation required to give away each year?
Private foundations must generally distribute about 5% of their assets annually. For 2024, Hamilton Family Foundation reported a distributable amount of $52K on its IRS Form 990-PF — the minimum it must pay out in qualifying distributions.
What is Hamilton Family Foundation's EIN?
Hamilton Family Foundation's EIN (Employer Identification Number) is 20-5634026. IRS Form 990 filing data is available on this page for 2021–2024.
Explore Open Grants
Browse active grant opportunities in Hamilton Family Foundation's focus areas in our free grants database
Related Funders
Similar funders by location and focus area
Gochnauer Family Foundation
CORONA DEL MAR, CA
Assets
$15.2M
Grants
39
Total Given
$313K
Cottage Health
SANTA BARBARA, CA
Assets
$172.1M
Grants
6
Total Given
$179K
International Right of Way Association
GARDENA, CA
Assets
$5.7M
Grants
1
Total Given
$9K
Quince Interfaith Housing Corporation
LEMON GROVE, CA
Assets
—
Grants
0
Total Given
—
William & Lillian Schwartz Charitable Foundation
LA JOLLA, CA
Assets
$325K
Grants
1
Total Given
$3K
Covia Foundation
GLENDALE, CA
Assets
$15.2M
Grants
1
Total Given
$4.8M
Data last updated April 2026. Sourced from IRS Form 990-PF filings.
What could you do with Hamilton Family Foundation on Grantable?
- Assess strategic fit with your organization
- Draft a tailored letter of inquiry
- Find open RFPs from this funder
- Monitor for new funding opportunities
Go from researching Hamilton Family Foundation to a real strategy.