Data / Nonprofits / Washington / Amboy
Nonprofits in Amboy, WA: 14 registered with the IRS
14 nonprofits are registered with the IRS in Amboy, WA, 12 of them 501(c)(3) charities; the 5 that report revenue took in $1.5 million. The largest by revenue: Mount St Helens Institute ($1.3 million), Amboy Territorial Days Association ($111,987), North Clark Historical Museum ($63,650).
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Every organization, largest by revenue first
| Organization | Category | Type | Since | Revenue | Assets | Filing |
|---|---|---|---|---|---|---|
| Mount St Helens Institute | Environment | 501(c)(3) | 1996 | $1.3 million | $674,604 | 2025-12 |
| Amboy Territorial Days Association | 501(c)(3) | 1982 | $111,987 | $215,962 | 2024-12 | |
| North Clark Historical Museum | 501(c)(3) | 1993 | $63,650 | $391,582 | 2025-01 | |
| American Legion | 501(c)(19) | 1946 | $45,108 | $28,417 | 2025-12 | |
| Twin Falls North County Charitable Foundation | Community improvement and capacity building | 501(c)(3) | 2011 | $7,137 | $243,863 | 2025-12 |
| Amboy Baptist Church of Clark County | 501(c)(3) | 1964 | ||||
| Amboy Church of the Nazarene | 501(c)(3) | 1963 | ||||
| Apostilic Lutheran Church of America | 501(c)(3) | 1989 | ||||
| Christs Love Ministries | Religion-related | 501(c)(3) | 2007 | $0 | $0 | 2024-12 |
| Clark County Fair Mounted Patrol Search and Rescue | Public safety, disaster preparedness and relief | 501(c)(3) | 2006 | $0 | $0 | 2025-12 |
| Hazen Chapel Wesleyan Church | 501(c)(3) | 1970 | ||||
| Hoagies House A Forever Home for Senior Dogs and Horses | Animal-related | 501(c)(3) | 2015 | $0 | $0 | 2025-12 |
| Lake Merwin Campers Hideaway | Recreation and sports | 501(c)(7) | 1976 | 2025-03 | ||
| Tri Town Events | Health care | 501(c)(3) | 2018 | $0 | $0 | 2025-12 |
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.