Data / Nonprofits / New Hampshire / Allenstown
Nonprofits in Allenstown, NH: 9 registered with the IRS
9 nonprofits are registered with the IRS in Allenstown, NH, 7 of them 501(c)(3) charities; the 1 that report revenue took in $5.8 million. The largest by revenue: Pine Haven Boys Center ($5.8 million). Most common causes: education (3).
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Every organization, largest by revenue first
| Organization | Category | Type | Since | Revenue | Assets | Filing |
|---|---|---|---|---|---|---|
| Pine Haven Boys Center | Education | 501(c)(3) | 1970 | $5.8 million | $4.8 million | 2025-06 |
| Allenstown Firefighters Association | 501(c)(4) | 1976 | $0 | $0 | 2025-12 | |
| Allenstown N H Historical Society | Arts, culture and humanities | 501(c)(3) | 2004 | $0 | $0 | 2025-12 |
| Allenstown Police Association | Public safety, disaster preparedness and relief | 501(c)(3) | 2022 | $0 | $0 | 2024-12 |
| Allenstown Pto | Education | 501(c)(3) | 2014 | $0 | $0 | 2025-06 |
| FR Louis P Routhier Council No 4666 Knights of Columbus | Mutual and membership benefit | 501(c)(8) | 2014 | $0 | $0 | 2025-12 |
| Friends of the Allenstown Public Li Brary Inc | Education | 501(c)(3) | 2026 | $0 | $0 | 2025-12 |
| St John the Baptist Parish | 501(c)(3) | 1946 | ||||
| Summit Sobriety Services | Housing and shelter | 501(c)(3) | 2025 |
By cause in Allenstown, 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.