The Mattis Family Foundation
Preselected recipients only
The Mattis Family Foundation is a private foundation in Greenwich, Connecticut. In tax year 2025 it gave $15,000 in 2 grants; the typical grant was $7,500 and the largest $10,000. It only gives to organizations it selects itself and does not accept unsolicited applications.
From its IRS Form 990-PF for tax year 2025.
- Grants paid, 2025$15,000
- Number of grants2
- Typical grant$7,500
- Largest grant$10,000
- Assets$446,608
- New grantees100%
Giving in 2025 was up from $10,000 the year before.
100% of its 2025 grantees had not received a grant from it the year before, a sign it is open to new organizations.
Giving by year
| Tax year | Grants paid | Number of grants | Assets |
|---|---|---|---|
| 2023 | $5,000 | 1 | $384,269 |
| 2024 | $10,000 | 1 | $414,330 |
| 2025 | $15,000 | 2 | $446,608 |
How to apply
The Mattis Family Foundation says in its IRS filing that it only makes contributions to preselected organizations, so unsolicited applications are unlikely to be considered. Organizations it funds are usually invited.
What The Mattis Family Foundation funds
Where it gives
Its grants went to recipients in 2 states, the most to Connecticut.
| State | Grants | Amount |
|---|---|---|
| Connecticut | 1 | $10,000 |
| New York | 1 | $5,000 |
Grants paid in 2025
| Recipient | Purpose | Amount |
|---|---|---|
| Eagle Hill School | Education | $10,000 |
| Irish Arts Center | Art & culture | $5,000 |
Officers and trustees
- Kathryn Mattis
- Peter Mattis
Questions people ask
Does The Mattis Family Foundation accept grant applications?
No. Its IRS filing says it only makes contributions to preselected organizations.
How much does The Mattis Family Foundation give?
$15,000 in tax year 2025, across 2 grants, with a typical grant of $7,500.
Who runs The Mattis Family Foundation?
Its 2025 filing lists Kathryn Mattis (Chairman & Secretarty) and Peter Mattis (Treasurer).
What does The Mattis Family Foundation fund?
Based on its grants, mainly education and arts and culture.