Foundations that fund organizations in Mamararoneck, New York
Worked out from where the grants went, not where the foundations sit.
Funding landscape for Mamararoneck nonprofits
3 private foundations gave $320K to Mamararoneck organizations in their latest filings; 0 of the 3 that say either way accept applications.
3 grants in total, with a typical foundation's median grant to Mamararoneck around $2,324. 0 of these funders are based in New York; the rest give here from elsewhere.
- Foundations giving here
- 3
- Accept applications
- 0
- of 3 that state a policy
- Dollars to Mamararoneck
- $320K
- latest filings
- Grants
- 3
- Typical median grant
- $2,324
- Based in NY
- 0%
- of funders listed
Funders, by dollars given to Mamararoneck organizations
| Foundation | Based in | Grants here | Dollars here | Median | Accepts applications | Typical purposes |
|---|---|---|---|---|---|---|
| Morris & Anna Propp Sons Fund Inc | Jupiter, FL | 1 | $316K | $316K | Preselected only | For general operating charitable needs of recipient organiz… |
| Propp Foundation Inc | Jupiter, FL | 1 | $2,324 | $2,324 | Preselected only | For general operating charitable needs of recipient organiz… |
| Linsone Inc | Jupiter, FL | 1 | $2,076 | $2,076 | Preselected only | For general operating charitable needs of recipient organiz… |
Source: IRS Form 990-PF Part XV, latest electronic return per foundation (2026-10-28). "Accepts applications" reflects the foundation's own checkbox on Part XV line 2. Grants to individuals excluded.
Common questions
Which foundations give to nonprofits in Mamararoneck, New York?
Morris & Anna Propp Sons Fund Inc, Propp Foundation Inc, Linsone Inc reported grants to Mamararoneck organizations on their latest Form 990-PF.
How do I approach a foundation that doesn't accept applications?
A foundation that checks "contributes only to preselected organizations" on its 990-PF won't review a cold proposal. Look at who it funds, find a shared board member, grantee or advisor, and ask for an introduction. Foundations that accept applications usually list a contact and deadlines in Part XV; we show that text on each foundation's page.
Is this list complete?
No. It covers private foundations (Form 990-PF filers) whose latest electronic return lists at least one grant to an organization in Mamararoneck. Community foundations and corporate giving programs file different forms and are not included yet.