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
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
No grants recorded for .
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
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Data last updated April 2026. Sourced from IRS Form 990-PF filings.
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