Hamaker Family Foundation
Hamaker Family Foundation is a nonprofit organization focused on Philanthropy, Voluntarism & Grantmaking, based in Farmingdale, NJ. IRS filing data is available from 2019 through 2025. In 2025, it awarded 10 grants totaling $26K.
Key facts about Hamaker Family Foundation
- EIN
- 26-1582638
- Latest 990 filing
- Form 990-PF, 2025
- Annual giving (2025)
- $26,000
- Grants made (2025)
- 10
- Average grant
- $2,600
- Median grant
- $1,750
- New grantees (estimate)
- 40% first-time grantees (4 of 10, 2025)
- Primary geography
- District of Columbia (58% of itemized 2025 grant dollars)
Data from IRS Form 990-PF, 2025; updated September 2026. New grantees are estimated by matching recipient names across years (methodology).
Who Hamaker Family Foundation funds
By grant dollars, the top recipient states for Hamaker Family Foundation's 10 itemized 2025 grants were District of Columbia (58%), Wisconsin (15%) and New York (13%). The most frequent recipient cities were Washington, DC (2 grants) and New York, NY (2 grants). 100% of grants with a stated purpose were for general or operating support.
Is Hamaker Family Foundation open to new grantees?
40%
first-time grantees, 2025
In 2025, 4 of 10 grantees (40%) were first-time recipients. First grants averaged $1K; repeat grants $4K. How we count
Medians: $1K first-time, $2K repeat.
Estimate from itemized IRS Form 990-PF grant lists (2019–2025). Recipient names are matched across years, so a renamed or misspelled grantee can look new; grants to individuals are left out. Methodology.
Next steps with Hamaker Family Foundation
- How to evaluate Hamaker Family Foundation as a funder
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Financial Overview
From 2025 IRS Form 990-PF · View filing
Total Assets
—
Annual Giving
$26K
+23.8% YoY
Grant Count
10
-16.7% YoY
Avg Grant Size
$3K
+48.6% YoY
About Hamaker Family Foundation
Based on IRS filings
Hamaker Family Foundation is a nonprofit organization focused on Philanthropy, Voluntarism & Grantmaking, based in Farmingdale, NJ. IRS filing data is available from 2019 through 2025. In 2025, it awarded 10 grants totaling $26K.
Focus Areas
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Geographic Focus
Where this funder awards grants
Grant Distribution by State
Share of all 10 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 2019 (received by the IRS April 20, 2020)
- Updated Form 990-PF for fiscal year 2020 (received by the IRS May 7, 2021)
- Updated Form 990-PF for fiscal year 2021 (received by the IRS May 5, 2022)
- Updated Form 990-PF for fiscal year 2022 (received by the IRS April 10, 2023)
- Updated Form 990-PF for fiscal year 2023 (received by the IRS April 4, 2024)
- Updated Form 990-PF for fiscal year 2024 (received by the IRS May 12, 2025)
- Added Form 990-PF for fiscal year 2025 (received by the IRS April 28, 2026)
- IRS filings on file for fiscal years 2020–2024
Giving Over Time
Total grant dollars and number of grants per year
Grant Insights
How this funder distributes its grants
Top Recipients
Top 10 recipients in 2025
Grant Size Distribution
45 grants across all recorded years
Giving History
Grant recipients and amounts by year
Among its reported 2025 grants, the largest recipients include Earth Justice ($10,000), League of Conservation Voters ($5,000), Rainbow Run ($2,500).
| Recipient | Purpose | Amount |
|---|---|---|
| EARTH JUSTICE Washington, DC | GENERAL FUNDS | $10,000 |
| LEAGUE OF CONSERVATION VOTERS Washington, DC | GENERAL FUNDS | $5,000 |
| RAINBOW RUN New York, NY | GENERAL FUNDS | $2,500 |
| UNIVERSITY OF WISCONSIN Milwaukee, WI | GENERAL FUNDS | $2,500 |
| ST JUDES RESEARCH HOSPITAL Memphis, TN | GENERAL FUNDS | $2,000 |
| VA KIDS CENTER Madison, WI | GENERAL FUNDS | $1,500 |
| CORNELL LAB OF ORNITHOLOGY Boone, IA | GENERAL FUNDS | $1,000 |
| WOUNDED WARRIOR New York, NY | GENERAL FUNDS | $500 |
| TEAM SHAMROCK Staten Island, NY | GENERAL FUNDS | $500 |
| MARKET STREET MISSION Morristown, NJ | GENERAL FUNDS | $500 |
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 |
|---|---|---|---|
| Donald W Hamaker | President | — | — |
| Mary J Hamaker | Sec'y/Treas | — | — |
| Jessica Joseph | Director | — | — |
| Douglas Hamaker | Director | — | — |
Subject Areas
Focus areas based on grantmaking activity
Frequently Asked Questions
What is Hamaker Family Foundation?
Hamaker Family Foundation is a nonprofit organization focused on Philanthropy, Voluntarism & Grantmaking, based in Farmingdale, NJ. It holds — in total assets as of 2025.
Where does Hamaker Family Foundation operate?
Hamaker Family Foundation has awarded grants in California, Connecticut, District of Columbia, Iowa, Michigan, Minnesota, New Jersey, New York, Oregon, Pennsylvania, Tennessee, Wisconsin.
What size grants does Hamaker Family Foundation award?
In 2025, Hamaker Family Foundation awarded 10 grants totaling $26K — an average of about $3K per grant, based on its IRS Form 990 filings.
What is Hamaker Family Foundation's EIN?
Hamaker Family Foundation's EIN (Employer Identification Number) is 26-1582638. 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.