Data / Nonprofits / Maine / Waldoboro
Nonprofits in Waldoboro, ME: 34 registered with the IRS
34 nonprofits are registered with the IRS in Waldoboro, ME, 29 of them 501(c)(3) charities; the 9 that report revenue took in $4.2 million. The largest by revenue: Midcoast Conservancy ($1.9 million), Waldo Theater Inc ($577,146), Medomak Exchange ($516,075). Most common causes: arts, culture and humanities (5), education (3).
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Every organization, largest by revenue first
| Organization | Category | Type | Since | Revenue | Assets | Filing |
|---|---|---|---|---|---|---|
| Midcoast Conservancy | Environment | 501(c)(3) | 1971 | $1.9 million | $11 million | 2025-06 |
| Waldo Theater Inc | Arts, culture and humanities | 501(c)(3) | 2014 | $577,146 | $1 million | 2024-12 |
| Medomak Exchange | Human services | 501(c)(3) | 2021 | $516,075 | $386,672 | 2024-12 |
| Coastal Christian School Inc | 501(c)(3) | 1982 | $324,162 | $791,295 | 2025-07 | |
| Waldoboro Public Library | Education | 501(c)(3) | 1988 | $306,251 | $1.7 million | 2025-12 |
| Waldoboro Food Pantry | Food, agriculture and nutrition | 501(c)(3) | 2015 | $243,262 | $248,622 | 2025-12 |
| Medomak Valley All Sports Boosters | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2010 | $168,334 | $147,231 | 2025-06 |
| German Protestant Society | Mutual and membership benefit | 501(c)(13) | 2005 | $42,329 | $631,788 | 2024-12 |
| American Legion | 501(c)(19) | 1946 | $40,957 | $45,214 | 2024-12 | |
| American Legion Auxiliary | Public and societal benefit | 501(c)(19) | 2020 | $0 | $0 | 2025-12 |
| Cakewood Creative Arts | Arts, culture and humanities | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Church of God | 501(c)(3) | 1972 | ||||
| Dutch Neck Community Club | 501(c)(3) | 1985 | $94,275 | 2024-12 | ||
| For the One Ministries Inc | Religion-related | 501(c)(3) | 2024 | |||
| International Association of Lions Clubs | 501(c)(4) | 1966 | $0 | $0 | 2024-06 | |
| Knox-Lincoln County Farm Bureau Assoc | 501(c)(5) | 1971 | $0 | $0 | 2025-09 | |
| Linnell Foundation | 501(c)(3) | 1977 | $5 million | 2024-12 | ||
| Maine Master Naturalist Program | Environment | 501(c)(3) | 2011 | $0 | $0 | 2025-12 |
| Maine Tech Week | Education | 501(c)(3) | 2026 | $0 | $0 | 2025-12 |
| Open House of History | Arts, culture and humanities | 501(c)(3) | 2025 | $0 | $0 | 2025-06 |
| St Pauls Union Chapel Society | Arts, culture and humanities | 501(c)(3) | 2026 | |||
| The Broad Bay Congregational United Church of Christ | 501(c)(3) | 1987 | ||||
| University of Main System Inc | 501(c)(3) | 2013 | $0 | $0 | 2026-06 | |
| University of Main System Inc | 501(c)(3) | 2013 | $0 | $0 | 2025-06 | |
| University of Maine System Inc | 501(c)(3) | 2013 | $0 | $0 | 2026-06 | |
| University of Maine System Inc | 501(c)(3) | 2013 | $0 | $0 | 2026-06 | |
| University of Maine System Inc | 501(c)(3) | 2013 | $0 | $0 | 2026-06 | |
| University of Maine System Inc | 501(c)(3) | 2013 | $0 | $0 | 2026-06 | |
| University of Maine System Inc | 501(c)(3) | 2013 | $0 | $0 | 2026-06 | |
| Waldoboro Firefighters Association | Public safety, disaster preparedness and relief | 501(c)(3) | 2026 | |||
| Waldoboro Lions Foundation | Human services | 501(c)(3) | 2013 | $73,092 | 2023-06 | |
| Waldoboro United Methodist Church | 501(c)(3) | 1963 | ||||
| Waldoboro Womans Club GFWC Maine | Education | 501(c)(3) | 2017 | $0 | $0 | 2025-12 |
| Waldoborough Historical Society | Arts, culture and humanities | 501(c)(3) | 1998 | $0 | $0 | 2026-06 |
By cause in Waldoboro, ME
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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.