Data / Nonprofits / California / Los Osos / Environment
Environment nonprofits in Los Osos, CA: 6 registered with the IRS
6 environment nonprofits are registered with the IRS in Los Osos, CA, 6 of them 501(c)(3) charities; the 2 that report revenue took in $1.1 million. The largest by revenue: Ecologistics Inc ($986,383), Mothers for Nuclear ($154,945).
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Every organization, largest by revenue first
| Organization | Type | Since | Revenue | Assets | Filing |
|---|---|---|---|---|---|
| Ecologistics Inc | 501(c)(3) | 2010 | $986,383 | $594,531 | 2025-12 |
| Mothers for Nuclear | 501(c)(3) | 2019 | $154,945 | $105,313 | 2024-12 |
| California Garden Clubs Inc | 501(c)(3) | 1969 | $0 | $0 | 2025-06 |
| Los Osos Sustainability Group | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Los Osos Valley Garden Club | 501(c)(3) | 2026 | $0 | $0 | 2025-06 |
| Save Cuesta Inlet Inc | 501(c)(3) | 2022 | $158,757 | 2024-12 |
Other causes in Los Osos, CA
- Religion-related 7
- Education 6
- Philanthropy, voluntarism and grantmaking foundations 5
- Arts, culture and humanities 4
- Recreation and sports 4
- Animal-related 3
- Human services 3
Every nonprofit in Los Osos, CA · 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.