Connecticut · Private foundation
Castle Family Foundation
Its FY2025 filing reports that it funds preselected organizations and did not take unsolicited requests; check the foundation's own site before ruling it out.
- $30k
- Granted FY2025(still arriving)
- 28
- Grants FY2025
- 31
- Organizations funded FY2024
- 10%
- First-time grantees FY2024
- Median grant, FY2025
- $550
- Largest grant, FY2025
- $5,000
- Organizations funded a year
- 22 to 31
- FY2018 to FY2024
- States reached, FY2025
- 8
- Total assets, FY2025
- $207k
- Applications
- Preselected organizations only
- Per its most recent filing; check its own site
How open it is to new grantees
In FY2024, 10% of the organizations Castle Family Foundation funded were first-time grantees, receiving 4% of its grant dollars.
New vs renewed · share of each year
In FY2024, 96% of grant dollars renewed an existing relationship; $3k went to new ones.
Where new relationships form · theme of each grantee’s first grant
How this is measured
The numbers by year
| Fiscal year | Organizations funded | To those organizations | First-time grantees |
|---|---|---|---|
| FY2025still arriving | 27 | $29k | 7% |
| FY2024 | 31 | $65k | 10% |
| FY2023 | 28 | $44k | 14% |
| FY2022 | 24 | $29k | 0% |
| FY2021 | 26 | $32k | 15% |
| FY2020 | 22 | $39k | 0% |
| FY2019 | 25 | $35k | 12% |
| FY2018 | 24 | $28k | 13% |
What it funded, over time
Every grant placed by its stated purpose and the recipient’s mission, by year, FY2017 to 2025.
Where its grants go
Grant dollars by states, across the years we hold.
Which US states its grants reach
Top grantees
Largest recipients by total granted, FY2017 to FY2025, and the share of each one’s budget the grants supplied at peak.
| Grantee | Total granted | Years | Share of their budget |
|---|---|---|---|
| The Trustees of Princeton University | $41,400 | 9 | 0% |
| Pomfret School Incorporated | $35,000 | 9 | 0% |
| The Taft School Corporation | $17,900 | 9 | 0% |
| Lawrence Memorial Hospital Inc | $15,300 | 9 | 0% |
| Grampy's Charities James Jonatha William Castle Ttees | $12,500 | 8 | 3% |
| Stonington Community Center Inc | $11,383 | 4 | 0% |
| The Stonington Free Library Inc | $10,150 | 9 | 0% |
| Ocean Community YMCA | $7,000 | 9 | 0% |
| Pine Point School Inc | $4,650 | 8 | 0% |
| Stonington Cemetery Association Inc | $4,600 | 9 | 1% |
Show all 21 grantees
| Grantee | Total granted | Years | Share of their budget |
|---|---|---|---|
| The Trustees of Princeton University | $41,400 | 9 | 0% |
| Pomfret School Incorporated | $35,000 | 9 | 0% |
| The Taft School Corporation | $17,900 | 9 | 0% |
| Lawrence Memorial Hospital Inc | $15,300 | 9 | 0% |
| Grampy's Charities James Jonatha William Castle Ttees | $12,500 | 8 | 3% |
| Stonington Community Center Inc | $11,383 | 4 | 0% |
| The Stonington Free Library Inc | $10,150 | 9 | 0% |
| Ocean Community YMCA | $7,000 | 9 | 0% |
| Pine Point School Inc | $4,650 | 8 | 0% |
| Stonington Cemetery Association Inc | $4,600 | 9 | 1% |
| The Michael J Fox Foundation for Parkinson's Research | $3,000 | 3 | 0% |
| Stonington Village Improvement Assoc Inc | $2,250 | 9 | 0% |
| Stonington Historical Society Inc | $1,500 | 6 | 0% |
| Mystic Seaport Museum Inc | $1,500 | 5 | 0% |
| Boston Youth Symphony Orchestras Inc | $1,400 | 5 | 0% |
| The Trust for Public Land | $1,250 | 2 | 0% |
| Haitian Health Foundation | $1,250 | 5 | 0% |
| Westminster Youth String Ensemble | $650 | 3 | n/a |
| Always Home Inc | $300 | 1 | 0% |
| Snow Leopard Conservancy | $250 | 1 | 0% |
| Wikimedia Foundation Inc | $200 | 3 | 0% |
What it could do for these grantees
Plus 20 recipients with no EIN on record ($258k), not named here.
Where it is load-bearing
Each grantee by its size and the share of its budget Castle Family Foundation supplied at peak.
Tap a dot to name the grantee.
How this is measured
Co-funders
Grantmakers whose grantees overlap with this funder’s far more than size alone predicts. Closer means stronger alignment; arcs show where they also fund each other. Here they form a tightly interlocked group: most of these funders back each other's grantees too.
Open a dossier: The Pfizer Foundation Inc · Doogood Foundation Inc · Royce Family Fund Inc · Chelsea Groton Foundation · Dxn Foundation · Tua Benson P Blake Char Trust · The Michael & Dudley Delbalso Charitable Trust · Fromson Foundation Inc · Gs Donor Advised Philanthropy Fund for Wealth Management Inc · Ibm International Foundation · National Philanthropic Trust · Morgan Stanley Global Impact Funding Trust Inc
How this is measured
About Castle Family Foundation
- How much does Castle Family Foundation give?
- Castle Family Foundation reported 28 grants totaling $30,470 in its FY2025 IRS filing. It funded between 22 and 31 organizations a year over FY2018 to FY2024.
- What does Castle Family Foundation fund?
- By grant dollars over FY2017 to FY2025, its largest causes are Philanthropy (30%), Education (27%), Human Services (14%).
- Who are Castle Family Foundation's largest grantees?
- By total granted over FY2017 to FY2025: The Trustees of Princeton University ($41k), Pomfret School Incorporated ($35k), The Taft School Corporation ($18k).
- Does Castle Family Foundation fund new organizations?
- In FY2024, 10% of the organizations it funded were first-time grantees.
- Does Castle Family Foundation accept unsolicited applications?
- Its most recent filing reports that it funds preselected organizations and does not take unsolicited requests. Check the foundation's own site before ruling it out.
- Which funders back the same organizations as Castle Family Foundation?
- Its strongest co-funders, measured against what their size predicts, include The Pfizer Foundation Inc, Doogood Foundation Inc, Royce Family Fund Inc.
- Where is Castle Family Foundation based?
- Castle Family Foundation is based in CT.
Play a game based on Castle Family’s filings →