Dekker Foundation
Dekker Foundation is a private foundation based in Westport, Connecticut. Its 2025 filing reports 18 grants totaling $22,748 to charitable organizations, with listed recipients including organizations working in areas such as religious understanding, hunger relief, health, education, and environmental protection.
Dekker Foundation at a glance
In short: Dekker Foundation gave $23K across 18 grants in 2025 (avg $1K), top state California. Source: 2025 IRS Form 990-PF.
- Annual giving (2025)
- $22,748
- +152.8% vs 2024
- Grants made (2025)
- 18
- +5.9% vs 2024
- Average grant
- $1,264
- +138.7% vs 2024
- Median grant
- $500
- Total assets
- $384,999
- +2197.5% vs 2024
- Primary geography
- California (48% of itemized 2025 grant dollars)
- Latest 990 filing
- Form 990-PF, 2025 View filing
Data from IRS Form 990-PF, 2025; updated October 2026.
How to apply to Dekker Foundation
- Accepts unsolicited proposals
- No
- How to Apply
-
The foundation states that it makes contributions only to preselected charitable organizations and does not accept unsolicited requests for funds. Its filing lists a written request as the required material, no restrictions on awards, and no deadlines.
- Contact
Application contact: Dekker Foundation Co Cat Trail Mana
Mailing address: 606 Post Road East Suite 681, Westport, CT 06880
Phone: (203) 226-3152
Application details from Grantable's research on the foundation's public materials; confirm on its website before applying.
Who Dekker Foundation funds
How this funder distributes its grants
Top Recipients
Top 10 recipients in 2025
The largest 2025 recipient was United Religions & Transcultural Faith Alliance Foundation ($10K). Together the top 10 received $19K.
Grant Size Distribution
50 grants across all recorded years
The most common grant size was under $50K: 50 grants of 50 (100%).
Geographic Focus
Where this funder awards grants
The 2025 filing reports that grant dollars went to recipients in California (48%), New York (16%), the District of Columbia (13%), Massachusetts (13%), and Maryland (4%). Listed recipients also include organizations in Connecticut and Nebraska.
Grant Distribution by State
Share of 2025 grant dollars across all 18 itemized grants.
States
Cities
How Dekker Foundation gives
- 39% of 2025 grantees were also funded in 2024. Method
- Giving grew 65% from 2022 to 2025. Method
- In 2025 it paid out 76% of its IRS minimum distribution (the 5% rule). Foundations have until the end of the next year to meet it. Method
Estimate from itemized grant lists in IRS Form 990-PF filings (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 2021 to 2025, annual grant giving ranged from $4K (2021) to $23K (2025). In 2025 it made 18 grants totaling $23K.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| United Religions & Transcultural Faith Alliance Foundation San Francisco, CA | General Operating Support | $10,000 |
| Americans United for the Separation of Church & State Washington DC, DC | General Operating Support | $2,500 |
| Afya Foundation Yonkers, NY | General Operating Support | $1,000 |
| Doctors Without Boarders Hagerstown, MD | General Operating Support | $1,000 |
| Marthas Vineyard Hospital Somerville, MA | General Operating Support | $1,000 |
| Mount Holyoke College South Hadley, MA | General Operating Support | $1,000 |
| Palenstines Childrens Relief Fund Los Langeles, CA | General Operating Support | $1,000 |
| Beth-El Synagogue Omaha, NE | General Operating Support | $500 |
| Big Brothers Big Sisters of Westchester Port Chester, NY | General Operating Support | $500 |
| Boys & Girls Club of Northern Westchester Mount Kisco, NY | General Operating Support | $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 | $384,999 | $540,007 | $24,088 | $22,748 | 18 | $22,748 | $26,793 | $30,121 |
| 2024 | $16,757 | $24,504 | $14,330 | $9,000 | 17 | $9,000 | $13,552 | $16,053 |
| 2023 | $6,583 | $7,723 | $8,649 | $8,649 | 7 | $8,649 | $7,723 | $7,427 |
| 2022 | $6,038 | $17,097 | $13,800 | $13,800 | 6 | $13,800 | $17,891 | — |
| 2021 | $7,739 | $249,018 | $4,200 | $4,200 | 2 | $4,200 | $5,897 | — |
Under IRS private-foundation payout rules, Dekker Foundation reported a distributable amount of $30K 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 went to organizations with varied missions. For example, New York Public Radio says its mission is to make the mind more curious, the heart more open, and the spirit more joyful through audio programming rooted in New York. Feeding Westchester says it works to eradicate hunger in Westchester County, while Ocean Conservancy says it unites science, people, and policy to protect the ocean. These are the grantees’ descriptions of their own work, not statements of the foundation’s mission.
Grantmaking
In filing year 2025, the foundation made 18 grants totaling $22,748. Grant amounts ranged from $248 to $10,000, with a median of $500.
The largest reported grant was $10,000 to United Religions & Transcultural Faith Alliance Foundation for general operating support. Other notable grants included $2,500 to Americans United for the Separation of Church & State and $1,000 each to Afya Foundation, Doctors Without Boarders, Martha’s Vineyard Hospital, Mount Holyoke College, and Palestines Childrens Relief Fund, all for general operating support.
Other reported 2025 grants included $500 each to New York Public Radio, Island Grown Initiative, Ocean Conservancy, and Feeding Westchester, and $248 to Hudson River Sloop Clearwater. The grantees describe their work as including audio programming, building a regenerative and equitable food system on Martha’s Vineyard, protecting the ocean, addressing hunger in Westchester County, and protecting the Hudson River and related waters.
Leadership & Key People
Leadership team and compensation from IRS filings
The 2025 filing lists David Dekker and Russell Dekker as trustees.
Dekker Foundation's 2025 filing lists 2 officers; none of the 2 officers listed in 2025 report compensation.
Officers on the 2025 filing
David Dekker
Trustee
On filings since 2020
0.1 hrs/week
No compensation reported
Russell Dekker
Trustee
On filings since 2020
0.1 hrs/week
No compensation reported
Former officers (2)
- Former: Harriett Dekker (2020–2023) — Trustee
- Former: Marcel Dekker (2020) — Trustee
Data from IRS Form 990 filings, 2020–2025. "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 Dekker Foundation
How much does Dekker Foundation give each year?
Dekker Foundation gave $23K across 18 grants in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $9K across 17 grants.
What is Dekker Foundation's typical grant size?
Dekker Foundation's median grant in 2025 was $500, and its average grant was $1,264, across 18 grants on its 2025 IRS Form 990-PF.
Where does Dekker Foundation give grants?
Dekker Foundation's top state is California, with 48% of the grant dollars itemized on its 2025 IRS Form 990-PF. The next largest states were New York (16%) and District of Columbia (13%). The most frequent recipient cities were Washington DC, DC (2 grants) and Elmsford, NY (2 grants).
Does Dekker Foundation give general operating support?
Yes: 100% of Dekker Foundation's 2025 grants with a stated purpose (18 of 18) were for general or operating support, per its 2025 IRS Form 990-PF.
Who are Dekker Foundation's largest grantees?
Dekker Foundation's largest 2025 grantees include United Religions & Transcultural Faith Alliance Foundation ($10,000), Americans United for the Separation of Church & State ($2,500) and Afya Foundation ($1,000), according to its 2025 IRS Form 990-PF. Together they received 59% of its itemized 2025 grant dollars.
How large is Dekker Foundation?
Dekker Foundation reported $385K in total assets on its 2025 IRS Form 990-PF. It paid out $23K in qualifying distributions that year, against a required minimum of $30K (roughly 5% of its investment assets). Falling short in one year is not a violation: foundations have until the end of the next year to meet the minimum.
What does Dekker Foundation fund?
No mission statement for the foundation is provided. Its 2025 grants went to organizations with varied missions. For example, New York Public Radio says its mission is to make the mind more curious, the heart more open, and the spirit more joyful through audio programming rooted in New York. See mission & focus areas ↑
How do I apply for a grant from Dekker Foundation?
The foundation states that it makes contributions only to preselected charitable organizations and does not accept unsolicited requests for funds. Eligibility and process details are in the grantmaking section of this profile. See how to apply ↑
What is Dekker Foundation's EIN?
Dekker Foundation's EIN (Employer Identification Number) is 06-1479508. IRS Form 990 filing data is available on this page for 2020–2025.
Does Dekker Foundation accept unsolicited proposals?
No, 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
(6)
When this profile's IRS filing data changed on Grantable
- Updated Form 990-PF for fiscal year 2021 (received by the IRS November 14, 2022)
- Updated Form 990-PF for fiscal year 2022 (received by the IRS November 15, 2023)
- Updated Form 990-PF for fiscal year 2023 (received by the IRS June 24, 2024)
- Updated Form 990-PF for fiscal year 2024 (received by the IRS April 24, 2025)
- Added Form 990-PF for fiscal year 2025 (received by the IRS May 8, 2026)
- IRS filings on file for fiscal years 2020–2024
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