Data / Nonprofits / Colorado / Castle Rock / Environment
Environment nonprofits in Castle Rock, CO: 6 registered with the IRS
6 environment nonprofits are registered with the IRS in Castle Rock, CO, 6 of them 501(c)(3) charities; the 2 that report revenue took in $1.4 million. The largest by revenue: Douglas County Land Conservancy ($1.2 million), Conservation Investment Germinator ($233,276).
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Every organization, largest by revenue first
| Organization | Type | Since | Revenue | Assets | Filing |
|---|---|---|---|---|---|
| Douglas County Land Conservancy | 501(c)(3) | 1988 | $1.2 million | $3.8 million | 2025-12 |
| Conservation Investment Germinator | 501(c)(3) | 2020 | $233,276 | $147,726 | 2024-12 |
| Climateunified Org | 501(c)(3) | 2021 | $0 | $0 | 2025-12 |
| Mundi Primum Foundation Inc | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| United Global Public | 501(c)(3) | 2016 | $0 | $0 | 2025-12 |
| Village Castle Pines Garden Club | 501(c)(3) | 2020 | $0 | $0 | 2025-05 |
Other causes in Castle Rock, CO
- Religion-related 69
- Education 42
- Human services 40
- Recreation and sports 34
- Philanthropy, voluntarism and grantmaking foundations 30
- Arts, culture and humanities 22
- Public and societal benefit 18
- Community improvement and capacity building 14
- Mental health and crisis intervention 14
- Youth development 11
- Diseases, disorders and medical disciplines 10
- Health care 10
- Animal-related 9
- Civil rights, social action and advocacy 8
- Public safety, disaster preparedness and relief 8
- International, foreign affairs and national security 7
- Food, agriculture and nutrition 6
- Medical research 3
Every nonprofit in Castle Rock, 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.