The Siff Exkorn Family Foundation Stable Rock Services LLC
Invitation OnlyNew York, New York · EIN 42-1612887 · Private foundation
Grants paid (2024)$13K
Organizations funded14
Typical grant$500
Total assets$175K
Half of its grants to organizations were between $150 and $1,100.
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
50% of grants went outside New York.
Grants paid in tax year 2024
| Recipient | Location | Purpose | Amount |
|---|---|---|---|
| Alpine Learning Group | Paramus, NJ | Donation | $5,000 |
| Next for Autism | New York, NY | Donation | $3,000 |
| Autism Science Foundation | New York, NY | Donation | $1,100 |
| Organization for Autism Research | Arlington, VA | Donation | $1,100 |
| Nyack Center | Nyack, NY | Donation | $500 |
| New England Center for Children | Southborough, MA | Donation | $500 |
| Feeding America | Chicago, IL | Donation | $500 |
| En Garde Arts | Brooklyn, NY | Donation | $500 |
| Arts Rock of Rockland | Nyack, NY | Donation | $379 |
| Birth Detroit | Detroit, MI | Donation | $150 |
| City Harvest | Brooklyn, NY | Donation | $150 |
| B Street Theatre | Sacramento, CA | Donation | $150 |
| Prospectparkorg | Brooklyn, NY | Donation | $115 |
| I Support the Girls | Wheaton, MD | Donation | $100 |
Giving by year
| Tax year | Grants paid | Grant lines |
|---|---|---|
| 2024 | $13,244 | 14 |
| 2023 | $11,205 | 19 |
Sources
- IRS Form 990-PF, tax year 2024, filed Nov 13, 2025 - IRS e-file batch, object ID 202513179349103571
- IRS Tax Exempt Organization Search for EIN 42-1612887
- Profile updated Nov 8, 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.