Updated Oct 31, 2026
Private foundations based in Smithtown, New York
3 grantmaking foundations headquartered in Smithtown, New York, holding $30M in assets. Ranked by grants paid in their latest 990-PF; 0 on this page say they accept applications. For foundations ranked by where their grants went, see local funders.
| Foundation | Grants paid | Median grant | Accepts applications | Assets |
|---|---|---|---|---|
| Hildenbrand Family Foundationsince 2011 | $635K12 grants · 2025 | $33K | Preselected only | $10M |
| Banyan Tree Roots Foundationsince 2019 | $318K2 grants · 2025 | $159K | Preselected only | $11M |
| Human Potential Foundationsince 1985 | $22K4 grants · 2023 | $6,041 | Preselected only | $8.7M |
Sources: IRS Business Master File (assets), ProPublica Nonprofit Explorer and IRS 990-PF e-file (grants paid, application policy). "Accepts applications" reflects the foundation's own Part XV checkbox.
Open grant programs in New York
All 2| Deadline | Grant | Funder | Award ceiling |
|---|---|---|---|
| Rollingno deadline | New York State Council on the Arts — Organizational GrantsStateNew York State Council on the Arts | New York State Council on the Arts | Not listed |
| Rollingno deadline | Humanities New York — Humanities GrantsStateHumanities New York | Humanities New York | Not listed |
Common questions
How many private foundations are based in Smithtown, New York?
Our directory lists 3 private grantmaking foundations in Smithtown, New York with at least $1 million in assets, holding a combined $30M. The data comes from the IRS Exempt Organizations Business Master File and Form 990-PF.
How do I get a grant from a private foundation?
Start with foundations that already fund organizations like yours nearby. Read the grantee list on each profile, check whether the foundation accepts applications (it says so on its 990-PF), and lead with a short letter of inquiry. Many family foundations fund only organizations they already know; an introduction through a shared grantee or board member works better than a cold proposal.
Can you help us approach foundations?
Yes. Our grant writers research foundation prospects, write letters of inquiry, and build a foundation fundraising plan. Request a free consultation.