Data / Nonprofits / New Hampshire / New Castle
Nonprofits in New Castle, NH: 12 registered with the IRS
12 nonprofits are registered with the IRS in New Castle, NH, 10 of them 501(c)(3) charities; the 6 that report revenue took in $1.6 million. The largest by revenue: Portsmouth Yacht Club ($470,163), Alex Manfull Fund ($355,671), Uwpiaa ($323,931). Most common causes: arts, culture and humanities (3).
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Every organization, largest by revenue first
| Organization | Category | Type | Since | Revenue | Assets | Filing |
|---|---|---|---|---|---|---|
| Portsmouth Yacht Club | 501(c)(7) | 1960 | $470,163 | $1.3 million | 2025-12 | |
| Alex Manfull Fund | Diseases, disorders and medical disciplines | 501(c)(3) | 2022 | $355,671 | $232,076 | 2025-12 |
| Uwpiaa | Arts, culture and humanities | 501(c)(3) | 2022 | $323,931 | $997,882 | 2025-12 |
| Kittery Point Yacht Club | 501(c)(7) | 1969 | $296,615 | $785,667 | 2025-12 | |
| New Castle Historical Society | Arts, culture and humanities | 501(c)(3) | 2003 | $54,555 | $186,380 | 2025-12 |
| Clipper Foundation | Education | 501(c)(3) | 2010 | $52,593 | $2 million | 2025-12 |
| Alice M and Samuel Yarnold Scholarship Trust | Education | 501(c)(3) | 1995 | $900,506 | 2025-12 | |
| Alliance for Greater Good | Human services | 501(c)(3) | 2022 | $0 | $0 | 2025-06 |
| Great Island Garden Club | Environment | 501(c)(3) | 2009 | $0 | $0 | 2025-06 |
| Pine Bluff Rising | Community improvement and capacity building | 501(c)(3) | 2015 | $0 | $0 | 2025-12 |
| Washburn Family Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2001 | $177,407 | 2025-12 | |
| Weathervane Theatre Alumni Association Inc | Arts, culture and humanities | 501(c)(3) | 2001 | $0 | $0 | 2025-09 |
By cause in New Castle, NH
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.