William W Treat Foundation
Preselected recipients only
William W Treat Foundation is a private foundation in Stratham, New Hampshire. In tax year 2025 it gave $129,318 in 10 grants; the typical grant was $4,500 and the largest $43,000. 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$129,318
- Number of grants10
- Typical grant$4,500
- Largest grant$43,000
- Assets$2.9 million
- New grantees0%
Giving in 2025 was up from $116,742 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 | $122,915 | 11 | $2.5 million |
| 2024 | $116,742 | 10 | $2.7 million |
| 2025 | $129,318 | 10 | $2.9 million |
How to apply
William W Treat 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.
Foundation website IRS filings on ProPublica
What William W Treat Foundation funds
Where it gives
Its grants went to recipients in 5 states, the most to New Hampshire.
| State | Grants | Amount |
|---|---|---|
| New Hampshire | 5 | $114,000 |
| Maine | 2 | $9,818 |
| Massachusetts | 1 | $2,500 |
| Virginia | 1 | $2,000 |
| Arizona | 1 | $1,000 |
Grants paid in 2025
| Recipient | Purpose | Amount |
|---|---|---|
| New Hampshire Institute for Civics | Education | $43,000 |
| University of New Hampshire Foundation | Education | $40,000 |
| American Independence Museum | Operating costs | $25,000 |
| University of Maine Foundation | Education | $5,818 |
| Citizens Count | Operating costs | $5,000 |
| Winterport Memorial Library | Education | $4,000 |
| New England Historic Genealogical Society | Operating costs | $2,500 |
| National College of Probate Judges | Operating costs | $2,000 |
| Friends of St Mary & Andrew Church | Operating costs | $1,000 |
| University of Arizona Foundation | Education | $1,000 |
Officers and trustees
- H Alfred Casassa
- Robert A Casassa
- Peter F H Lamb
- Josephine M Stroble
Questions people ask
Does William W Treat Foundation accept grant applications?
No. Its IRS filing says it only makes contributions to preselected organizations.
How much does William W Treat Foundation give?
$129,318 in tax year 2025, across 10 grants, with a typical grant of $4,500.
Who runs William W Treat Foundation?
Its 2025 filing lists H Alfred Casassa (Trustee), Robert A Casassa (Trustee), Peter F H Lamb (Trustee) and Josephine M Stroble (Trustee).
What does William W Treat Foundation fund?
Based on its grants, mainly education.