A & C De Coster Foundation is a private foundation focused on Philanthropy, Voluntarism & Grantmaking, based in GREENWICH, CT. IRS filing data is available from 2022 through 2025. As of 2025, the organization holds $8.9M in total assets. In 2025, it awarded 9 grants totaling $435K. Net investment income was $432K.
Financial Overview
From 2025 IRS Form 990-PF · View filing
Total Assets
$8.9M
-0.1% YoY
Annual Giving
$435K
-0.2% YoY
Grant Count
9
+12.5% YoY
Avg Grant Size
$48K
-11.3% YoY
Under IRS private-foundation payout rules, A & C De Coster Foundation reported a distributable amount of $456K for 2025 — the minimum it must pay out in qualifying distributions.
About A & C De Coster Foundation
Based on IRS filings
A & C De Coster Foundation is a private foundation focused on Philanthropy, Voluntarism & Grantmaking, based in GREENWICH, CT. IRS filing data is available from 2022 through 2025. As of 2025, the organization holds $8.9M in total assets. In 2025, it awarded 9 grants totaling $435K. Net investment income was $432K.
Focus Areas
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Geographic Focus
Where this funder awards grants
Grant Distribution by State
Cities
Financial History
Multi-year comparison from IRS filings
| Metric | 2025 | 2024 | 2023 |
|---|---|---|---|
| Total Assets | $8,912,759 | $8,921,835 | $8,966,956 |
| Revenue | $440,968 | $395,415 | $-254,197 |
| Expenses | $450,044 | $440,536 | $319,881 |
| Qualifying Distributions | $436,023 | $436,000 | $179,500 |
| Net Investment Income | $431,947 | $391,976 | $112,109 |
| Distributable Amount | $455,565 | $434,421 | $445,645 |
Giving Over Time
Total grant dollars and number of grants per year
Grant Insights
How this funder distributes its grants
Top Recipients
Top 9 recipients in 2025
Grant Size Distribution
22 grants across all recorded years
Giving History
Grant recipients and amounts by year
Among its reported 2025 grants, the largest include Brooklyn Jesuit Prep ($150,000), Back Country Jazz ($80,000), Circle of Care ($50,000).
| Recipient | Purpose | Amount |
|---|---|---|
| Greenwich Boy Scout of America Greenwich, CT | General Fund | $20,000 |
| Back Country Jazz Greenwich, CT | General Fund | $80,000 |
| Brooklyn Jesuit Prep Broooklyn, NY | General FundGeneral Fund | $150,000 |
| Circle of Care Wilton, CT | General Fund | $50,000 |
| Kids in Crisis Cos Cob, CT | General Fund | $25,000 |
| Habitat For Humanity of Coastal Fairfield County Stratford, CT | General Fund | $25,000 |
| Myriad USA (King Boudouin Foundation) New York, NY | General Fund | $50,000 |
| Neighbor to Neighbor Greenwich, CT | General Fund | $25,000 |
| At Home in Greenwich Greenwich, CT | General Fund | $10,000 |
Leadership & Key People
Officers and directors from IRS filings
Compensation Overview
From 2025 IRS filing
From 2025 filing
| Name | Title | Hours | Compensation |
|---|---|---|---|
| Alain De Coster | Trustee | 10 | — |
| Catherine De Coster | Trustee | 10 | — |
Subject Areas
Focus areas based on grantmaking activity
Frequently Asked Questions
What is A & C De Coster Foundation?
A & C De Coster Foundation is a private foundation focused on Philanthropy, Voluntarism & Grantmaking, based in GREENWICH, CT. It holds $8.9M in total assets as of 2025.
How large is A & C De Coster Foundation?
As of 2025, A & C De Coster Foundation holds $8.9M in total assets with $441K in annual revenue. It awarded 9 grants totaling $435K in 2025.
Where does A & C De Coster Foundation operate?
A & C De Coster Foundation has awarded grants in Connecticut, New Jersey, New York.
What size grants does A & C De Coster Foundation award?
In 2025, A & C De Coster Foundation awarded 9 grants totaling $435K — an average of about $48K per grant, based on its IRS Form 990 filings.
How much is A & C De Coster Foundation required to give away each year?
Private foundations must generally distribute about 5% of their assets annually. For 2025, A & C De Coster Foundation reported a distributable amount of $456K on its IRS Form 990-PF — the minimum it must pay out in qualifying distributions.
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 2022–2025.
Explore Open Grants
Browse active grant opportunities in A & C De Coster Foundation's focus areas in our free grants database
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Data last updated April 2026. Sourced from IRS Form 990-PF filings.
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