Hamaker Family Foundation
Hamaker Family Foundation is a private foundation based in Farmingdale, New Jersey. Its 2025 filing reports grants to organizations in several states and Washington, DC, including environmental, educational, health, and community organizations.
Hamaker Family Foundation at a glance
In short: Hamaker Family Foundation gave $26K across 10 grants in 2025 (avg $3K), mostly in District of Columbia. 40% of 2025 grantees were new. Source: 2025 IRS Form 990-PF.
- Annual giving (2025)
- $26,000
- +23.8% vs 2024
- Grants made (2025)
- 10
- -16.7% vs 2024
- Average grant
- $2,600
- +48.6% vs 2024
- Median grant
- $1,750
- Total assets
- $189,893
- -10.7% vs 2024
- New grantees (estimate)
- 40% first-time grantees (4 of 10, 2025; small sample)
- Primary geography
- District of Columbia (58% 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 Hamaker Family Foundation
- Accepts unsolicited proposals
- Yes
- How to Apply
-
The foundation accepts unsolicited requests. The 2025 filing names Donald W. Hamaker as the contact, says there is no specific form or required material, lists no deadline, and states there are no restrictions on awards.
- Contact
Application contact: Donald W Hamaker
Mailing address: 154 Grandview Cir, Farmingdale, NJ 07727
Phone: (201) 388-0337
Application details from Grantable's research on the foundation's public materials; confirm on its website before applying.
Who Hamaker Family Foundation funds
How this funder distributes its grants
Top Recipients
Top 10 recipients in 2025
The largest 2025 recipient was Earth Justice ($10K). Together the top 10 received $26K.
Grant Size Distribution
45 grants across all recorded years
The most common grant size was under $50K: 45 grants of 45 (100%).
Geographic Focus
Where this funder awards grants
In 2025, grant dollars went to recipients in Washington, DC (58%), Wisconsin (15%), New York (13%), Tennessee (8%), and Iowa (4%). The listed grants also included $500 to Market Street Mission in Morristown, New Jersey.
Grant Distribution by State
Share of 2025 grant dollars across all 10 itemized grants.
States
Cities
Is Hamaker Family Foundation open to new grantees?
40%
first-time grantees, 2025
In 2025, 4 of 10 grantees (40%) were first-time recipients. With only 10 grantees, that is a small sample: one grantee more or less moves the share by about 10 points. First grants averaged $1K; repeat grants $4K. How we count
Medians: $1K first-time, $2K repeat.
- 60% of 2025 grantees were also funded in 2024. Method
- Giving grew 51% from 2022 to 2025. Method
- In 2025 it paid out 215% of 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 $15K (2023) to $27K (2021). In 2025 it made 10 grants totaling $26K.
Grants by year
Grant recipients and amounts by year
| 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 |
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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 | $189,893 | $4,593 | $27,301 | $26,000 | 10 | $26,000 | $4,593 | $12,097 |
| 2024 | $212,601 | $6,096 | $22,277 | $21,000 | 12 | $21,000 | $6,096 | $10,829 |
| 2023 | $228,782 | $4,259 | $16,206 | $15,000 | 5 | $15,000 | $4,259 | $9,410 |
| 2022 | $240,729 | $-15,228 | $18,945 | $17,250 | 8 | $17,250 | $895 | $10,639 |
| 2021 | $274,902 | $104,523 | $28,466 | $27,250 | 10 | $27,250 | $27,558 | $12,507 |
| 2020 | $198,845 | $6,574 | $25,300 | $24,000 | 5 | — | $6,574 | $13,021 |
| 2019 | $217,571 | $17,535 | $21,996 | $20,600 | 9 | — | $17,535 | $12,049 |
Under IRS private-foundation payout rules, Hamaker Family Foundation reported a distributable amount of $12K for 2025 — the minimum it must pay out in qualifying distributions.
Research compiled by Grantable AI from public sources. Last updated September 2026.
Mission & Focus Areas
No mission statement for the foundation is provided. Its 2025 grants included support for organizations whose work spans environmental advocacy, early care and education, health research, veterans, and community services. For example, the League of Conservation Voters says its mission is to turn environmental values into national, state, and local priorities. The V.A. Kids Center says it provides early care and education for children of federal employees and the community, using the Montessori method.
Grantmaking
In filing year 2025, the foundation awarded 10 grants totaling $26,000. Grants ranged from $500 to $10,000, with a median of $1,750. Notable awards included $10,000 to Earthjustice, $5,000 to the League of Conservation Voters, $2,500 each to Rainbow Run and the University of Wisconsin, and $2,000 to St. Jude’s Research Hospital. The filing lists each grant’s purpose as “general funds.”
Leadership & Key People
Leadership team and compensation from IRS filings
The 2025 filing lists Donald W. Hamaker as president, Mary J. Hamaker as secretary/treasurer, and Jessica Joseph and Douglas Hamaker as directors.
Hamaker Family Foundation is led by Donald W. Hamaker, President on every filing since 2019; none of the 4 officers listed in 2025 report compensation.
Officers on the 2025 filing
Donald W. Hamaker
President
On filings since 2019
No compensation reported
Douglas Hamaker
Director
On filings since 2019
No compensation reported
Jessica Joseph
Director
On filings since 2019
No compensation reported
Mary J. Hamaker
Sec'y & Treasurer
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 Hamaker Family Foundation
How much does Hamaker Family Foundation give each year?
Hamaker Family Foundation gave $26K across 10 grants in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $21K across 12 grants.
What is Hamaker Family Foundation's typical grant size?
Hamaker Family Foundation's median grant in 2025 was $1,750, and its average grant was $2,600, across 10 grants on its 2025 IRS Form 990-PF. Organizations receiving their first grant from Hamaker Family Foundation that year got $1K on average.
Where does Hamaker Family Foundation give grants?
Hamaker Family Foundation gives mostly in District of Columbia: 58% of the grant dollars itemized on its 2025 IRS Form 990-PF went to recipients there. The next largest states were Wisconsin (15%) and New York (13%). The most frequent recipient cities were Washington, DC (2 grants) and New York, NY (2 grants).
Does Hamaker Family Foundation give general operating support?
Yes: 100% of Hamaker Family Foundation's 2025 grants with a stated purpose (10 of 10) were for general or operating support, per its 2025 IRS Form 990-PF.
Who are Hamaker Family Foundation's largest grantees?
Hamaker Family Foundation's largest 2025 grantees include Earth Justice ($10,000), League of Conservation Voters ($5,000) and Rainbow Run ($2,500), according to its 2025 IRS Form 990-PF. Together they received 67% of its itemized 2025 grant dollars.
How large is Hamaker Family Foundation?
Hamaker Family Foundation reported $190K in total assets on its 2025 IRS Form 990-PF. It paid out $26K in qualifying distributions that year, against a required minimum of $12K (roughly 5% of its investment assets).
What does Hamaker Family Foundation fund?
No mission statement for the foundation is provided. Its 2025 grants included support for organizations whose work spans environmental advocacy, early care and education, health research, veterans, and community services. See mission & focus areas ↑
How do I apply for a grant from Hamaker Family Foundation?
The foundation accepts unsolicited requests. Eligibility and process details are in the grantmaking section of this profile. See how to apply ↑
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.
Does Hamaker Family Foundation accept unsolicited proposals?
Yes, according to Grantable's research on the foundation's published guidelines. See how to apply ↑
Data last updated October 2026. Sourced from IRS Form 990-PF filings. Research dossier generated September 2026.
Data update history
(7)
When this profile's IRS filing data changed on Grantable
- Updated Form 990-PF for fiscal year 2024 (received by the IRS May 12, 2025)
- Updated Form 990-PF for fiscal year 2025 (received by the IRS April 28, 2026)
- 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)
Live grants for the work Hamaker Family Foundation funds
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