Private foundation · EIN 20-3538795
Mattis Family Foundation
Greenwich, CT
Mattis Family Foundation is a private foundation based in Greenwich, CT. On its Form 990-PF for tax year 2025, it reported $280K in grants and contributions paid across 8 grants, with $3.45M in assets (fair market value). Its return lists how to submit a request. Its largest grants went to Greenwich Country Day School, Eagle Hill School and Kripalu Center for Yoga & Health.
How to request funding
- Contact
- Peter D Mattis
- Phone
- 6467083013
- Address
- 77 Zaccheus Mead Lane, Greenwich, Ct, 06831
- Form and materials
- Written letter
As reported on the foundation's Form 990-PF for tax year 2025. Requirements change; confirm with the foundation before applying.
Largest grants, tax year 2025
Historical data · not a prediction| Recipient | Location | Purpose | Amount |
|---|---|---|---|
| Greenwich Country Day School | Greenwich, CT | Education | $100,000 |
| Eagle Hill School | Greenwich, CT | Education | $80,000 |
| Kripalu Center for Yoga & Health | Stockbridge, MA | Spiritual Development | $50,000 |
| Burning Man Project | San Francisco, CA | Art, Music and Innovation | $20,000 |
| Greenwich Library | Greenwich, CT | Education & Community Outreach Programs | $10,000 |
| Neighbor to Neighbor | Greenwich, CT | Food Bank | $10,000 |
| Bruce Museum | Greenwich, CT | Education, Culture, Art | $5,000 |
| Greenwich Historical Society | Cos Cob, CT | Education | $5,000 |
Names and purposes as reported to the IRS.
Where its grants went
Quick answers
Does Mattis Family Foundation accept grant applications?
Its Form 990-PF lists how to submit a request. Form and materials: Written letter. Confirm current requirements with the foundation before applying.
How much does Mattis Family Foundation give each year?
For tax year 2025, it reported $280,000 in grants and contributions paid (8 grants). Giving can change from year to year.
What organizations has Mattis Family Foundation funded?
Its largest grants in tax year 2025 went to Greenwich Country Day School (CT), $100K, Eagle Hill School (CT), $80K, Kripalu Center for Yoga & Health (MA), $50K, Burning Man Project (CA), $20K and Greenwich Library (CT), $10K.