Data / Nonprofits / New York / Montauk / Environment
Environment nonprofits in Montauk, NY: 3 registered with the IRS
3 environment nonprofits are registered with the IRS in Montauk, NY, 3 of them 501(c)(3) charities; the 2 that report revenue took in $514,886. The largest by revenue: Concerned Citizens of Montauk Inc ($551,518), Sustainable America Inc ($-36,632).
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Every organization, largest by revenue first
| Organization | Type | Since | Revenue | Assets | Filing |
|---|---|---|---|---|---|
| Concerned Citizens of Montauk Inc | 501(c)(3) | 1981 | $551,518 | $545,351 | 2024-12 |
| Third House Nature Center Inc | 501(c)(3) | 2014 | $0 | $0 | 2025-12 |
| Sustainable America Inc | 501(c)(3) | 2013 | $-36,632 | $113,140 | 2025-12 |
Other causes in Montauk, NY
- Arts, culture and humanities 5
- Recreation and sports 5
- Philanthropy, voluntarism and grantmaking foundations 4
- Human services 3
Every nonprofit in Montauk, NY · Environment nonprofits across the state · Nonprofits in every city of the state
Read from the IRS Exempt Organizations Business Master File, updated by the IRS on October 24, 2026 and rebuilt here every morning. Revenue and assets are from each organization's latest filing as the IRS lists it; the IRS record is the official one. Organizations only: no people are named on these pages.