Data / Nonprofits / California / Mammoth Lakes
Nonprofits in Mammoth Lakes, CA: 70 registered with the IRS
70 nonprofits are registered with the IRS in Mammoth Lakes, CA, 62 of them 501(c)(3) charities; the 38 that report revenue took in $38.6 million. The largest by revenue: Mammoth Lakes Tourism ($9.7 million), Whitebark Institute ($6.7 million), Urban Corps of San Diego County Charter School ($4.3 million). Most common causes: recreation and sports (11), education (9), environment (5).
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Every organization, largest by revenue first
| Organization | Category | Type | Since | Revenue | Assets | Filing |
|---|---|---|---|---|---|---|
| Mammoth Lakes Tourism | Community improvement and capacity building | 501(c)(6) | 2012 | $9.7 million | $8.1 million | 2025-06 |
| Whitebark Institute | Environment | 501(c)(3) | 2015 | $6.7 million | $3.2 million | 2024-12 |
| Urban Corps of San Diego County Charter School | Education | 501(c)(3) | 2014 | $4.3 million | $4.9 million | 2025-06 |
| Access Mammoth | Education | 501(c)(3) | 2000 | $3.3 million | $15.3 million | 2025-06 |
| Mammoth Hospital Foundation | Health care | 501(c)(3) | 2008 | $2.3 million | $1.9 million | 2025-06 |
| Eastern Sierra Community Housing Inc | Housing and shelter | 501(c)(3) | 2004 | $1.7 million | $20.1 million | 2025-06 |
| Ignite Collective Inc | Diseases, disorders and medical disciplines | 501(c)(3) | 2014 | $1.3 million | $288,207 | 2025-12 |
| Mammoth Lakes Recreation | Environment | 501(c)(3) | 2014 | $1.2 million | $439,002 | 2025-06 |
| Mammoth Mountain Community Foundation Inc | Youth development | 501(c)(3) | 2010 | $870,759 | $2.8 million | 2025-09 |
| Mltpa Foundation | Environment | 501(c)(3) | 2007 | $647,603 | $255,543 | 2025-06 |
| Mammoth Lakes Performing Arts Foundation | Human services | 501(c)(3) | 2024 | $615,350 | $611,235 | 2026-06 |
| Eastern Sierra Arts Alliance | 501(c)(3) | 2020 | $570,044 | $1.4 million | 2025-12 | |
| Mammoth West Owners Asso Inc | 501(c)(4) | 1972 | $491,342 | $136,295 | 2024-12 | |
| Mammoth Lakes Foundation | 501(c)(3) | 1994 | $480,820 | $7.8 million | 2025-06 | |
| Mono Arts Council | 501(c)(3) | 1992 | $479,138 | $169,436 | 2025-06 | |
| Mammoth Lakes Chamber of Commerce | 501(c)(6) | 1983 | $448,659 | $314,538 | 2025-06 | |
| Mammoth Hospital Auxiliary Inc | Health care | 501(c)(3) | 1978 | $428,491 | $1.8 million | 2025-06 |
| Chamber Music Unbound | Arts, culture and humanities | 501(c)(3) | 2003 | $426,356 | $363,477 | 2025-06 |
| High Sierra Energy Foundation | Environment | 501(c)(3) | 2000 | $304,140 | $267,316 | 2024-12 |
| Mammoth Lakes Board of Realtors | 501(c)(6) | 1981 | $260,118 | $492,635 | 2025-12 | |
| Mammoth High School Booster Club | Education | 501(c)(3) | 2002 | $247,364 | $280,768 | 2025-07 |
| Loving Orphans Global | Youth development | 501(c)(3) | 2012 | $231,622 | $882 | 2023-12 |
| Friends of the Eastern Sierra Avalanche Center | Public safety, disaster preparedness and relief | 501(c)(3) | 2005 | $213,522 | $105,725 | 2025-07 |
| Mammoth Mountain Ski Patrol Alumni Association | Education | 501(c)(3) | 2018 | $197,187 | $87,333 | 2025-06 |
| Mono County Sheriff Search & Rescue | Public safety, disaster preparedness and relief | 501(c)(3) | 1994 | $168,604 | $1.2 million | 2025-12 |
| Mammoth Lakes Youth Hockey | Recreation and sports | 501(c)(3) | 2019 | $156,137 | $96,746 | 2026-04 |
| Road Runners Club of America | 501(c)(3) | 1976 | $130,177 | $35,502 | 2024-12 | |
| Design Trust LTD | Community improvement and capacity building | 501(c)(6) | 2016 | $128,415 | $17,754 | 2024-12 |
| Sierra Classic Theatre | Arts, culture and humanities | 501(c)(3) | 2003 | $92,827 | $104,991 | 2024-12 |
| Volunteer Eastern Sierra | Environment | 501(c)(3) | 2007 | $88,331 | $7,703 | 2025-12 |
| Summit Outdoors Stations | Recreation and sports | 501(c)(3) | 2008 | $87,782 | $2,235 | 2025-12 |
| Mammoth Lakes Friends of the Library | Education | 501(c)(3) | 2004 | $86,308 | $729,684 | 2025-09 |
| Boundless Empowerment | Human services | 501(c)(3) | 2022 | $67,833 | $1,502 | 2024-12 |
| Silver Lake Foundation | Youth development | 501(c)(3) | 2014 | $54,045 | $76,366 | 2025-12 |
| Mammoth Community Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2001 | $52,137 | $37,211 | 2025-06 |
| Mammoth Lakes Rotary Club Foundation | Public and societal benefit | 501(c)(3) | 2004 | $24,965 | $70,577 | 2025-06 |
| Mammoth Elementary Parent Teacher Organization | Education | 501(c)(3) | 2003 | $20,931 | $170,482 | 2025-06 |
| Southern Mono Historical Society | 501(c)(3) | 1985 | $11,421 | $39,703 | 2025-12 | |
| Avenew Community Foundation | Social science | 501(c)(3) | 2008 | $0 | $0 | 2024-12 |
| Benchetler Fasani Foundation | Human services | 501(c)(3) | 2022 | $83,562 | 2025-12 | |
| Bodie Chapter 64 E Clampus Vitas | 501(c)(3) | 1986 | $0 | $0 | 2025-12 | |
| Bridge To Knowledge Fund | Human services | 501(c)(3) | 2026 | |||
| Conway Ranch Foundation | Youth development | 501(c)(3) | 2009 | |||
| Eastern Sierra Community Chorus | Arts, culture and humanities | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| Eastern Sierra Nordic Ski Association | Recreation and sports | 501(c)(3) | 2020 | $0 | $0 | 2025-09 |
| Eastside K-9 | Public safety, disaster preparedness and relief | 501(c)(3) | 2007 | $0 | $0 | 2025-12 |
| Eastside Velo | Recreation and sports | 501(c)(7) | 2006 | $0 | $0 | 2024-12 |
| First Chair Foundation Inc | Recreation and sports | 501(c)(3) | 2025 | |||
| For 4 Paws | Animal-related | 501(c)(3) | 2016 | $289,273 | 2025-12 | |
| Friends of Sierra Guiding | Education | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| High Sierra Christian Church | Religion-related | 501(c)(3) | 1997 | |||
| High Sierra Tri Club | Recreation and sports | 501(c)(3) | 2006 | $0 | $0 | 2025-12 |
| Mammoth Club Volleyball | Recreation and sports | 501(c)(7) | 2016 | $0 | $0 | 2025-12 |
| Mammoth Community Church | 501(c)(3) | 1969 | $0 | $0 | 2025-12 | |
| Mammoth Lakes FC | Recreation and sports | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Mammoth Lakes Jazz Jubilee | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 1997 | $0 | $0 | 2025-09 |
| Mammoth Lakes Junior Womens Club | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2014 | $0 | $0 | 2025-12 |
| Mammoth Lakes Lutheran Church | 501(c)(3) | 1941 | ||||
| Mammoth Lakes Lutheran Preschool | 501(c)(3) | 1941 | ||||
| Mammoth Lakes Municipal Service Corporation | 501(c)(3) | 1990 | $0 | $1 | 2024-06 | |
| Mammoth Lakes Police & Mono County Sheriff Explorer Post 7880 | Crime and legal-related | 501(c)(3) | 2019 | $0 | $0 | 2025-06 |
| Mammoth Lakes Police Supervisory Association | Employment | 501(c)(5) | 2022 | $0 | $0 | 2023-12 |
| Mammoth Lakes Swim Team | Recreation and sports | 501(c)(3) | 1995 | $0 | $0 | 2025-12 |
| Mammoth Lakes the Lighthouse Church Inc | Religion-related | 501(c)(3) | 2005 | |||
| Mammoth Middle School Organization | Education | 501(c)(3) | 2024 | |||
| Mammoth Orthopedic Institute Research Foundation Inc | Medical research | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Mammoth Schools Now Education Foundation | Education | 501(c)(3) | 2010 | $0 | $0 | 2023-06 |
| Moth Contemporary Ballet | Recreation and sports | 501(c)(3) | 2026 | |||
| Sierra Eastside Mountain Bike Association | Recreation and sports | 501(c)(3) | 2019 | $0 | $0 | 2025-12 |
| Southern Mono Health Care District | Religion-related | 501(c)(3) | 1995 |
By cause in Mammoth Lakes, CA
- Recreation and sports 11
- Education 9
- Environment 5
- Youth development 4
- Human services 4
- Public safety, disaster preparedness and relief 3
- Philanthropy, voluntarism and grantmaking foundations 3
- Arts, culture and humanities 3
- Religion-related 3
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.