A & C De Coster Foundation

Private foundation · Grantmaker Greenwich, CT EIN: 86-2043687

A & C De Coster Foundation is a private foundation based in Greenwich, Connecticut. In its 2026 filing, it reported 11 grants totaling $454,342 to charitable organizations, including organizations serving local residents, children and families, and migrants.

A & C De Coster Foundation at a glance

In short: A & C De Coster Foundation gave $454K across 11 grants in 2026 (avg $41K), mostly in Connecticut. 36% of 2026 grantees were new. Source: 2026 IRS Form 990-PF.

Annual giving (2026)
$454,342
+4.4% vs 2025
Grants made (2026)
11
+22.2% vs 2025
Average grant
$41,304
-14.5% vs 2025
Median grant
$25,000
Total assets
$9,816,633
+10.1% vs 2025
New grantees (estimate)
36% first-time grantees (4 of 11, 2026; small sample)
Primary geography
Connecticut (63% of itemized 2026 grant dollars)
Latest 990 filing
Form 990-PF, 2026 View filing

Data from IRS Form 990-PF, 2026; updated October 2026. New grantees are estimated by matching recipient names across years (methodology).

How to apply to A & C De Coster 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.

Contact

Mailing address: 38 Woodside Drive, Greenwich, CT 06830
Phone: (203) 869-1200

Application details from Grantable's research on the foundation's public materials; confirm on its website before applying.

Who A & C De Coster Foundation funds

How this funder distributes its grants

Top Recipients

Top 10 recipients in 2026

Brooklyn Jesuit Prep: $100KBrooklyn Jesuit Prep$100KBack Country Jazz: $92KBack Country Jazz$92KCircle of Care: $70KCircle of Care$70KMyraid USA - formerly King Baudouin Foundation United States: $50KMyraid USA - formerly KingBaudouin Foundation United…$50KAt Home in Greenwich: $25KAt Home in Greenwich$25KHabitat For Humanity of Coastal Fairfield County: $25KHabitat For Humanity ofCoastal Fairfield County$25KKids in Crisis: $25KKids in Crisis$25KEspecially Everyone Inc: $25KEspecially Everyone Inc$25KNeighbor to Neighbor: $25KNeighbor to Neighbor$25KKino Border Initiative: $12KKino Border Initiative$12K

The largest 2026 recipient was Brooklyn Jesuit Prep ($100K). Together the top 10 received $449K.

Grant Size Distribution

33 grants across all recorded years

19<$50K9$50–100K5$100–250K$250–500K$500K–1M$1–5M$5M+

The most common grant size was under $50K: 19 grants of 33 (58%).

Geographic Focus

Where this funder awards grants

In 2026, 63% of grant dollars went to recipients in Connecticut, 33% to recipients in New York, 3% to recipients in Arizona, and 1% to recipients in New Jersey.

Grant Distribution by State

4states

Share of 2026 grant dollars across all 11 itemized grants.

Cities

GreenwichNew YorkBroooklynWiltonStratfordCos CobHighlandsNew HavenNogalesStockton

Is A & C De Coster Foundation open to new grantees?

36%

first-time grantees, 2026

In 2026, 4 of 11 grantees (36%) were first-time recipients. With only 11 grantees, that is a small sample: one grantee more or less moves the share by about 9 points. First grants averaged $23K; repeat grants $52K. How we count

Medians: $19K first-time, $25K repeat.

  • 64% of 2026 grantees were also funded in 2025. Method
  • Giving grew 153% from 2023 to 2026. Method
  • In 2026 it paid out 90% 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 (2023–2026). 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

$0$200K$400K$600K0 grants2022 5 grants2023 8 grants2024 9 grants2025 11 grants2026

From 2023 to 2026, annual grant giving ranged from $180K (2023) to $454K (2026). In 2026 it made 11 grants totaling $454K.

Grants by year

Grant recipients and amounts by year

RecipientPurposeAmount
Brooklyn Jesuit Prep Broooklyn, NYGeneral Fund$100,000
Back Country Jazz Greenwich, CTGeneral Fund$92,342
Circle of Care Wilton, CTGeneral Fund$70,000
Myraid USA - formerly King Baudouin Foundation United States New York, NYGeneral Fund$50,000
At Home in Greenwich Greenwich, CTGeneral Fund$25,000
Habitat For Humanity of Coastal Fairfield County Stratford, CTGeneral Fund$25,000
Kids in Crisis Cos Cob, CTGeneral Fund$25,000
Especially Everyone Inc Greenwich, CTGeneral Fund$25,000
Neighbor to Neighbor Greenwich, CTGeneral Fund$25,000
Kino Border Initiative Nogales, AZGeneral Fund$12,000
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Financial History

Multi-year comparison from IRS filings

Figures from IRS filings, by filing year
Filing yearTotal AssetsRevenueExpensesGrants paidGrantsQualifying DistributionsNet Investment IncomeDistributable Amount
2026$9,816,633$1,377,846$473,972$454,34211$458,998$375,711$508,377
2025$8,912,759$440,968$450,044$435,0009$436,023$431,947$455,565
2024$8,921,835$395,415$440,536$436,0008$436,000$391,976$434,421
2023$8,966,956$-254,197$319,881$179,5005$179,500$112,109$445,645
2022$9,541,034$9,550,420$9,386———$9,444,052$169,706

Under IRS private-foundation payout rules, A & C De Coster Foundation reported a distributable amount of $508K for 2026 — 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 2026 grants included organizations whose missions, as described by those grantees, include providing food, clothing, and basic essentials to residents in need; offering prevention, counseling, and crisis services for children and families; helping older residents live confidently in their homes; and promoting humane and workable migration through humanitarian assistance, education, and advocacy.

Grantmaking

In filing year 2026, the foundation reported 11 grants totaling $454,342. Grants ranged from $5,000 to $100,000, with a median of $25,000. The largest grants included $100,000 to Brooklyn Jesuit Prep, $92,342 to Back Country Jazz, $70,000 to Circle of Care, and $50,000 to Myraid USA - formerly King Baudouin Foundation United States. Each was designated for the recipient’s general fund.

Other 2026 recipients included At Home in Greenwich, Habitat For Humanity of Coastal Fairfield County, Kids in Crisis, Especially Everyone Inc, and Neighbor to Neighbor, each receiving $25,000; Kino Border Initiative, which received $12,000; and Sandy Hook Foundation, which received $5,000.

Leadership & Key People

Leadership team and compensation from IRS filings

The 2026 filing lists Alain De Coster and Catherine De Coster as trustees.

A & C De Coster Foundation's 2026 filing lists 2 officers; none of the 2 officers listed in 2026 report compensation.

Officers on the 2026 filing

  • Alain De Coster

    Trustee

    On filings since 2022

    10 hrs/week

    No compensation reported

  • Catherine De Coster

    Trustee

    On filings since 2022

    10 hrs/week

    No compensation reported

Data from IRS Form 990 filings, 2022–2026. "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 A & C De Coster Foundation

How much does A & C De Coster Foundation give each year?

A & C De Coster Foundation gave $454K across 11 grants in 2026, according to its 2026 IRS Form 990-PF. In 2025 it gave $435K across 9 grants.

What is A & C De Coster Foundation's typical grant size?

A & C De Coster Foundation's median grant in 2026 was $25,000, and its average grant was $41,304, across 11 grants on its 2026 IRS Form 990-PF. Organizations receiving their first grant from A & C De Coster Foundation that year got $23K on average.

Where does A & C De Coster Foundation give grants?

A & C De Coster Foundation gives mostly in Connecticut: 63% of the grant dollars itemized on its 2026 IRS Form 990-PF went to recipients there. The next largest state was New York (33%). The most frequent recipient cities were Greenwich, CT (4 grants).

Does A & C De Coster Foundation give general operating support?

Yes: 100% of A & C De Coster Foundation's 2026 grants with a stated purpose (11 of 11) were for general or operating support, per its 2026 IRS Form 990-PF.

Who are A & C De Coster Foundation's largest grantees?

A & C De Coster Foundation's largest 2026 grantees include Brooklyn Jesuit Prep ($100,000), Back Country Jazz ($92,342) and Circle of Care ($70,000), according to its 2026 IRS Form 990-PF. Together they received 58% of its itemized 2026 grant dollars.

How large is A & C De Coster Foundation?

A & C De Coster Foundation reported $9.8M in total assets on its 2026 IRS Form 990-PF. It paid out $459K in qualifying distributions that year, against a required minimum of $508K (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 A & C De Coster Foundation fund?

No mission statement for the foundation is provided. See mission & focus areas ↑

How do I apply for a grant from A & C De Coster 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 A & C De Coster Foundation's EIN?

A & C De Coster Foundation's EIN (Employer Identification Number) is 86-2043687. IRS Form 990 filing data is available on this page for 2022–2026.

Does A & C De Coster 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

(2)

When this profile's IRS filing data changed on Grantable

  1. Added Form 990-PF for fiscal year 2026 (received by the IRS June 12, 2026)
  2. IRS filings on file for fiscal years 2022–2025

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Cite this profile

Grantable. (2026). A & C De Coster Foundation funder profile. GrantGraph. Retrieved October 15, 2026, from https://grantable.co/funders/a-and-c-de-coster-foundation-morg_bb08c93add9041f7a69f8f775f6600e4

BibTeX
@misc{grantable_862043687_2026,
  author       = {{Grantable}},
  title        = {{A \& C De Coster Foundation funder profile}},
  howpublished = {GrantGraph},
  year         = {2026},
  url          = {https://grantable.co/funders/a-and-c-de-coster-foundation-morg_bb08c93add9041f7a69f8f775f6600e4},
  note         = {Accessed 2026-10-15. Data licensed CC BY 4.0}
}

The figures on this page are open data under CC BY 4.0: reuse them with credit to Grantable and a link. Download the data.

Figures come from A & C De Coster Foundation's IRS filings (methodology). AI-written summaries, news items and logos are not covered by the open licence. Spot an error? Email hello@grantable.co.

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