The Seidenberg Family Foundation Inc
Invitation OnlyNew York, New York · EIN 06-1386525 · Private foundation
Grants paid (2024)$1.2M
Organizations funded31
Typical grant$1,000
Total assets$20M
Half of its grants to organizations were between $500 and $15,000.
From the return
How to apply
On its return for tax year 2024 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
38% of grants went outside New York.
Grants paid in tax year 2024
| Recipient | Location | Purpose | Amount |
|---|---|---|---|
| Memorial Sloan Kettering | New York, NY | Research/Medical | $701,500 |
| Trustees of Columbia University | New York, NY | Education | $229,300 |
| Beyond Celiac | Ambler, PA | Medical research | $90,200 |
| Boys & Girls Club of Northern Westchester | Mt Kisco, NY | Educatiom/Community | $50,000 |
| Cornell University | Ithaca, NY | Education | $40,000 |
| Uja Rockland | New York, NY | Religious | $37,500 |
| Temple Beth Shalom | Hastings on the Hudson, NY | General | $25,000 |
| Jupiter Medical Center | Jupiter, FL | General | $15,000 |
| Pace University | New York, NY | Education | $10,000 |
| Lustgarten Foundation | Bethpage, NY | Medical | $5,000 |
| Student Advocacy | Elmsford, NY | Education | $3,000 |
| Wnetthirteen | New York, NY | Education | $3,000 |
| New York Presbyterian Hospital | New York, NY | Medical research | $2,500 |
| Penn State University | University Park, PA | Education | $2,500 |
| Temple Beth El of Northern Westchester | Chappaqua, NY | Religious | $1,800 |
| American Cancer Society | Atlanta, GA | Research | $1,000 |
| American Lung Association | White Plains, NY | Healthcare | $1,000 |
| Cure the Kids | Las Vegas, NV | Healthcare | $1,000 |
| Telecom Pioneers Charitable Foundation | Greenwich Village, CO | General | $1,000 |
| A Cure in Our Lifetime | Marietta, GA | General | $870 |
| American Red Cross | Washington, DC | Relief | $798 |
| Aspca | New York, NY | General | $500 |
| Horace Greeley Scholarship Fund | Chappaqua, NY | Education | $500 |
| Northern Westchester Hospital | Mt Kisco, NY | Healthcare | $500 |
| Make a Wish Foundation | New York, NY | General | $263 |
| Alzheimer Assoc | Minneapolis, MN | Research | $250 |
| Leukemia and Lymphoma Society | Rye Brook, NY | Research | $250 |
| 914 Cares | White Plains, NY | General | $103 |
| Ironmatt | Franklin Lakes, NJ | Healthcare | $100 |
| St Judes Childrens Hospital | Arlington, VA | General | $100 |
| University of Delaware | Newark, DE | Education | $100 |
Giving by year
| Tax year | Grants paid | Grant lines |
|---|---|---|
| 2024 | $1,224,634 | 31 |
| 2023 | $3,826,727 | 40 |
Sources
- IRS Form 990-PF, tax year 2024, filed Nov 13, 2025 - IRS e-file batch, object ID 202543179349101909
- IRS Tax Exempt Organization Search for EIN 06-1386525
- 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.