Mattis Family Foundation
Accepts applications
Mattis Family Foundation is a private foundation in Greenwich, Connecticut. In tax year 2025 it gave $280,000 in 8 grants; the typical grant was $15,000 and the largest $100,000. It accepts applications; its filing gives the instructions below.
From its IRS Form 990-PF for tax year 2025.
- Grants paid, 2025$280,000
- Number of grants8
- Typical grant$15,000
- Largest grant$100,000
- Assets$3.4 million
- New grantees0%
Giving in 2025 was up from $215,000 the year before.
0% of its 2025 grantees had not received a grant from it the year before, so most of its money goes to organizations it already funds.
Giving by year
| Tax year | Grants paid | Number of grants | Assets |
|---|---|---|---|
| 2023 | $175,000 | 12 | $3.1 million |
| 2024 | $215,000 | 10 | $3.3 million |
| 2025 | $280,000 | 8 | $3.4 million |
How to apply
| Contact | Peter D Mattis 77 Zaccheus Mead Lane, Greenwich, CT 06831 |
|---|---|
| Phone or email | (646) 708-3013 |
| What to submit | Written letter |
What Mattis Family Foundation funds
Where it gives
Its grants went to recipients in 3 states, the most to Connecticut.
| State | Grants | Amount |
|---|---|---|
| Connecticut | 6 | $210,000 |
| Massachusetts | 1 | $50,000 |
| California | 1 | $20,000 |
Grants paid in 2025
| Recipient | Purpose | Amount |
|---|---|---|
| Greenwich Country Day School | Education | $100,000 |
| Eagle Hill School | Education | $80,000 |
| Kripalu Center for Yoga & Health | Spiritual development | $50,000 |
| Burning Man Project | Art, music and innovation | $20,000 |
| Greenwich Library | Education & community outreach programs | $10,000 |
| Neighbor to Neighbor | Food bank | $10,000 |
| Bruce Museum | Education, culture, art | $5,000 |
| Greenwich Historical Society | Education | $5,000 |
Officers and trustees
- Peter Mattis
- Kathyrn Mattis
Questions people ask
Does Mattis Family Foundation accept grant applications?
Yes. Its latest IRS filing says it accepts applications.
How much does Mattis Family Foundation give?
$280,000 in tax year 2025, across 8 grants, with a typical grant of $15,000.
Who runs Mattis Family Foundation?
Its 2025 filing lists Peter Mattis (Trustee) and Kathyrn Mattis (Trustee).
What does Mattis Family Foundation fund?
Based on its grants, mainly education and arts and culture.