Data / Nonprofits / Colorado / Longmont / Environment
Environment nonprofits in Longmont, CO: 18 registered with the IRS
18 environment nonprofits are registered with the IRS in Longmont, CO, 15 of them 501(c)(3) charities; the 7 that report revenue took in $8.9 million. The largest by revenue: Playa Lakes Joint Venture ($3.6 million), Wildlands Restoration Volunteers ($2.4 million), Natural Capitalism Solutions Inc ($2.3 million).
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Every organization, largest by revenue first
| Organization | Type | Since | Revenue | Assets | Filing |
|---|---|---|---|---|---|
| Playa Lakes Joint Venture | 501(c)(3) | 2003 | $3.6 million | $1.6 million | 2024-12 |
| Wildlands Restoration Volunteers | 501(c)(3) | 2002 | $2.4 million | $2.5 million | 2026-02 |
| Natural Capitalism Solutions Inc | 501(c)(3) | 2004 | $2.3 million | $2.6 million | 2025-12 |
| Colorado Association for Recycling Inc | 501(c)(3) | 2002 | $357,906 | $194,976 | 2025-12 |
| Base Line Land & Reservoir Co | 501(c)(12) | 2019 | $205,625 | $2.5 million | 2024-11 |
| South Tollgate Ditch Company | 501(c)(12) | 2019 | $5,420 | $13,735 | 2025-12 |
| Asett Co | 501(c)(3) | 2026 | $1,700 | $84 | 2025-12 |
| Boulder County Mounted Search & Rescue | 501(c)(3) | 2002 | $0 | $0 | 2025-12 |
| Bunyan Lateral Ditch Co | 501(c)(12) | 2025 | |||
| Conservation Easement Preservation Society | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| First Ascent Foundation | 501(c)(3) | 2015 | $0 | $0 | 2025-12 |
| Hoe and Hope Garden Club Inc | 501(c)(3) | 2011 | $0 | $0 | 2025-12 |
| North American Buffalo Range | 501(c)(3) | 1996 | $0 | $0 | 2025-12 |
| Open Space Protection Alliance | 501(c)(3) | 2021 | $0 | $0 | 2025-12 |
| Paradigm Nouveau Foundation | 501(c)(3) | 2011 | $73,248 | 2025-12 | |
| Second Start Community Garden | 501(c)(3) | 2001 | $0 | $0 | 2025-12 |
| Sustainable Resilient Longmont | 501(c)(3) | 2017 | $0 | $0 | 2025-12 |
| Tindakan | 501(c)(3) | 1997 | $0 | $0 | 2025-12 |
Other causes in Longmont, CO
- Education 82
- Arts, culture and humanities 53
- Religion-related 53
- Human services 39
- Recreation and sports 34
- Animal-related 21
- Community improvement and capacity building 21
- Philanthropy, voluntarism and grantmaking foundations 19
- Health care 15
- Mental health and crisis intervention 15
- Public and societal benefit 14
- Youth development 14
- Mutual and membership benefit 12
- International, foreign affairs and national security 12
- Housing and shelter 8
- Employment 8
- Food, agriculture and nutrition 8
- Diseases, disorders and medical disciplines 6
- Science and technology 5
- Civil rights, social action and advocacy 4
- Medical research 3
- Crime and legal-related 3
Every nonprofit in Longmont, CO · Environment 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.