The William S Perper Foundation
Invitation OnlyNew York, New York · EIN 45-6337299 · Private foundation
Grants paid (2025)$200K
Organizations funded5
Typical grant$30,000
Total assets$841K
Half of its grants to organizations were between $30,000 and $50,000.
From the return
How to apply
On its return for tax year 2025 the foundation checked the box saying it only makes contributions to preselected charitable organizations and does not accept unsolicited requests for funds.
What it funds
Share of grant lines on the latest return, classified from the purpose each grant states.
Where it gives
40% of grants went outside New York.
Grants paid in tax year 2025
| Recipient | Location | Purpose | Amount |
|---|---|---|---|
| Fifth Avenue Presybterian Church | New York, NY | Steinway concert piano - 2nd half | $60,000 |
| Fifth Avenue Presybterian Church | New York, NY | Acoustic undercoating for chapel | $50,000 |
| International Tennis Hall of Fame | Newport, RI | General support | $30,000 |
| Jack Devito Foundation | Yorktown Heights, NY | General operating | $30,000 |
| Muskingum University | New Concord, OH | General operating | $30,000 |
Giving by year
| Tax year | Grants paid | Grant lines |
|---|---|---|
| 2025 | $200,000 | 5 |
| 2024 | $135,000 | 5 |
| 2023 | $200,000 | 5 |
Sources
- IRS Form 990-PF, tax year 2025, filed Mar 19, 2026 - IRS e-file batch, object ID 202610779349100531
- IRS Tax Exempt Organization Search for EIN 45-6337299
- Profile updated Nov 6, 2026
Facts on this page come from the foundation's own IRS Form 990-PF filings as published by the IRS. Grantvello does not know whether a foundation is accepting proposals right now: a past grant is not an open opportunity. Always confirm current guidelines with the funder before applying.