Irving and Sulamith Blackberg Charitable Foundation
Invitation OnlyPennington, New Jersey · EIN 45-5224111 · Private foundation
Grants paid (2025)$105K
Organizations funded6
Typical grant$10,000
Total assets$3.1M
Half of its grants to organizations were between $10,000 and $20,000.
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
100% of grants went outside New Jersey.
Grants paid in tax year 2025
| Recipient | Location | Purpose | Amount |
|---|---|---|---|
| The Food Bank of Western Massachussetts | Hatfield, MA | General operating | $40,000 |
| New England Public Media Inc | Springfield, MA | General operating | $20,000 |
| National Kidney Foundation | New York, NY | Unrestricted general | $15,000 |
| Dana-Farber Cancer Institute | Boston, MA | General operating | $10,000 |
| Planned Parenthood League of Massachuset | Boston, MA | General operating | $10,000 |
| Rails to Trails Conservancy | Washington, DC | General operating | $10,000 |
Giving by year
| Tax year | Grants paid | Grant lines |
|---|---|---|
| 2025 | $105,000 | 6 |
| 2024 | $100,000 | 5 |
| 2023 | $99,000 | 4 |
Sources
- IRS Form 990-PF, tax year 2025, filed Apr 15, 2026 - IRS e-file batch, object ID 202641059349100819
- IRS Tax Exempt Organization Search for EIN 45-5224111
- Profile updated Nov 7, 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.