Data / Nonprofits / New York / Riverhead / Community improvement and capacity building
Community improvement and capacity building nonprofits in Riverhead, NY: 9 registered with the IRS
9 community improvement and capacity building nonprofits are registered with the IRS in Riverhead, NY, 5 of them 501(c)(3) charities; the 7 that report revenue took in $1.1 million. The largest by revenue: Maureens Haven Inc ($429,857), Rotary International District 7255 ($185,491), East End Tourism Alliance Inc ($169,514).
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Every organization, largest by revenue first
| Organization | Type | Since | Revenue | Assets | Filing |
|---|---|---|---|---|---|
| Maureens Haven Inc | 501(c)(3) | 1998 | $429,857 | $439,073 | 2024-12 |
| Rotary International District 7255 | 501(c)(4) | 2023 | $185,491 | $282,805 | 2025-06 |
| East End Tourism Alliance Inc | 501(c)(6) | 2009 | $169,514 | $18,591 | 2024-12 |
| Riverhead Business Improvement District Management Assoc Inc | 501(c)(3) | 1997 | $166,639 | $122,271 | 2025-12 |
| Rotary District 7255 Foundation Inc | 501(c)(3) | 2011 | $111,506 | $34,056 | 2025-06 |
| Timothy Foundation Inc | 501(c)(2) | 2004 | $12,781 | $1.1 million | 2025-06 |
| Flanders Riverside and Northampton Community Association Inc | 501(c)(3) | 2003 | $11,888 | $23,688 | 2025-12 |
| New York State Fire Marshalls and Inspectors Association Inc | 501(c)(6) | 2018 | $0 | $0 | 2025-12 |
| Peconic Green Growth Inc | 501(c)(3) | 2011 | $0 | $0 | 2025-12 |
Other causes in Riverhead, NY
- Religion-related 16
- Arts, culture and humanities 12
- Human services 12
- Philanthropy, voluntarism and grantmaking foundations 11
- Education 10
- Health care 8
- Recreation and sports 8
- Animal-related 8
- Youth development 6
- Housing and shelter 4
- Environment 3
Every nonprofit in Riverhead, NY · Community improvement and capacity building 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.