Nonprofits in Mammoth Lakes, California

Nonprofits in Mammoth Lakes, California. Browse 89 public nonprofit profiles. Review organization identities, available filing years, and their complete CharitySense profiles.

Location refers to headquarters recorded in public sources, not an organization’s service area. Classification describes its reported category and does not assess its effectiveness.

Nonprofit profiles

  1. 931 Eastern Sierra Chapter of Trout Unlimited

    EIN 475640634 · Headquarters: MAMMOTH LAKES, CA, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  2. A Childs New Life Foundation

    EIN 204095380 · Headquarters: Mammoth Lakes, CA, US · Human Services · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  3. Access Mammoth

    EIN 311732524 · Headquarters: MAMMOTH LAKES, CA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  4. Amateur Athletic Union of the United States

    EIN 471699837 · Headquarters: Mammoth Lakes, CA, US · Recreation & Sports · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  5. Andrea Lawrence Institute for Mountains & Rivers

    EIN 710891101 · Headquarters: Mammoth Lakes, CA, US · Environment · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  6. Avenew Community Foundation

    EIN 421742882 · Headquarters: Mammoth Lakes, CA, USA · Social Science · Latest available filing year: 2024 · Primary form: IRS Form 990

  7. Bodie Chapter 64 E Clampus Vitas

    EIN 680003940 · Headquarters: Mammoth Lakes, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  8. Boundless Empowerment

    EIN 823762836 · Headquarters: MAMMOTH LAKES, CA, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  9. California Teachers Association

    EIN 901786590 · Headquarters: Mammoth Lakes, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  10. Chamber Music Unbound

    EIN 270054977 · Headquarters: Mammoth Lakes, CA, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  11. Commerce Circle Mini Storage Association Inc

    EIN 271552494 · Headquarters: Mammoth Lakes, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  12. Conway Ranch Foundation Inc

    EIN 263885193 · Headquarters: MAMMOTH LAKES, CA, US · Youth Development · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  13. Design Trust Ltd

    EIN 474908830 · Headquarters: Mammoth Lakes, CA, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  14. Eastern Sierra Arts Alliance

    EIN 851346238 · Headquarters: MAMMOTH LAKES, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  15. Eastern Sierra Community Chorus

    EIN 881822902 · Headquarters: Mammoth Lakes, CA, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  16. Eastern Sierra Community Housing

    EIN 721553662 · Headquarters: Mammoth Lakes, CA, USA · Housing & Shelter · Latest available filing year: 2024 · Primary form: IRS Form 990

  17. Eastern Sierra Fishing Guides Association

    EIN 272109271 · Headquarters: Mammoth Lakes, CA, US · Recreation & Sports · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  18. Eastern Sierra Nordic Ski Association

    EIN 651291888 · Headquarters: Mammoth Lakes, CA, US · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  19. Eastern Sierra Symphony Association Inc

    EIN 953203747 · Headquarters: Mammoth Lakes, CA, US · Arts, Culture & Humanities · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  20. Eastside K-9

    EIN 510618733 · Headquarters: MAMMOTH LAKES, CA, US · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  21. Eastside Velo

    EIN 731732563 · Headquarters: Mammoth Lakes, CA, US · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  22. Family Motor Coach Association

    EIN 311169608 · Headquarters: Mammoth Lakes, CA, US · Human Services · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  23. For 4 Paws

    EIN 812773659 · Headquarters: Mammoth Lakes, CA, USA · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  24. Friends of Richsquare Inc

    EIN 371417530 · Headquarters: Mammoth Lakes, CA, US · Arts, Culture & Humanities · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  25. Friends of Sierra Guiding

    EIN 843353497 · Headquarters: Mammoth Lakes, CA, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  26. Friends of the Eastern Sierra Avalanche Center

    EIN 202525302 · Headquarters: MAMMOTH LAKES, CA, USA · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2024 · Primary form: IRS Form 990

  27. High Sierra Energy Foundation

    EIN 770528296 · Headquarters: MAMMOTH LAKES, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  28. High Sierra Tri Club

    EIN 203016179 · Headquarters: Mammoth Lakes, CA, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  29. Ignite Collective Inc

    EIN 463339587 · Headquarters: Mammoth Lakes, CA, USA · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2025 · Primary form: IRS Form 990

  30. Little League Baseball Inc

    EIN 770375840 · Headquarters: Mammoth Lakes, CA, US · Recreation & Sports · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  31. Loving Orphans Global

    EIN 452701687 · Headquarters: MAMMOTH LAKES, CA, USA · Youth Development · Latest available filing year: 2023 · Primary form: IRS Form 990

  32. Mammoth Club Volleyball

    EIN 473084805 · Headquarters: Mammoth Lakes, CA, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  33. Mammoth Community Church

    EIN 952382128 · Headquarters: Mammoth Lakes, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  34. Mammoth Community Foundation

    EIN 770549615 · Headquarters: MAMMOTH LAKES, CA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990

  35. Mammoth Elementary Parent Teacher Organization

    EIN 770427152 · Headquarters: Mammoth Lakes, CA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  36. Mammoth High School Booster Club

    EIN 770529260 · Headquarters: Mammoth Lakes, CA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  37. Mammoth Hospital Auxiliary Inc

    EIN 953141984 · Headquarters: Mammoth Lakes, CA, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990

  38. Mammoth Hospital Foundation

    EIN 202601653 · Headquarters: Mammoth Lakes, CA, US · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990

  39. Mammoth Lakes Board of Realtors

    EIN 953508285 · Headquarters: MAMMOTH LAKES, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  40. Mammoth Lakes Chamber of Commerce

    EIN 953332786 · Headquarters: MAMMOTH LAKES, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  41. Mammoth Lakes Contractors Association Inc

    EIN 237115319 · Headquarters: Mammoth Lakes, CA, US · Community Improvement & Capacity Building · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  42. Mammoth Lakes Fc

    EIN 931850731 · Headquarters: Mammoth Lakes, CA, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  43. Mammoth Lakes Firefighters Foundation

    EIN 800589311 · Headquarters: MAMMOTH LAKES, CA, US · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  44. Mammoth Lakes Firesafe Council

    EIN 952849276 · Headquarters: Mammoth Lakes, CA, USA · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990

  45. Mammoth Lakes Foundation

    EIN 770245395 · Headquarters: MAMMOTH LAKES, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  46. Mammoth Lakes Friends of the Library

    EIN 300266319 · Headquarters: MAMMOTH LAKES, CA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  47. Mammoth Lakes Group of Alcoholics Anonymous

    EIN 270307973 · Headquarters: Mammoth Lakes, CA, US · Mental Health & Crisis Intervention · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  48. Mammoth Lakes Jazz Jubilee

    EIN 770304406 · Headquarters: Mammoth Lakes, CA, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  49. Mammoth Lakes Junior Womens Club

    EIN 237275672 · Headquarters: MAMMOTH LAKES, CA, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  50. Mammoth Lakes Municipal Service Corporation

    EIN 770229775 · Headquarters: Mammoth Lakes, CA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  51. Mammoth Lakes Parent Preschool

    EIN 061818989 · Headquarters: Mammoth Lakes, CA, US · Education · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  52. Mammoth Lakes Performing Arts Foundation

    EIN 331663111 · Headquarters: MAMMOTH LAKES, CA, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  53. Mammoth Lakes Police & Mono County Sheriff Explorer Post 7880

    EIN 841856313 · Headquarters: Mammoth Lakes, CA, US · Crime & Legal Related · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  54. Mammoth Lakes Police Supervisory Association

    EIN 874179924 · Headquarters: Mammoth Lakes, CA, US · Employment · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  55. Mammoth Lakes Recreation

    EIN 471070284 · Headquarters: MAMMOTH LAKES, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  56. Mammoth Lakes Rotary Club

    EIN 200131934 · Headquarters: Mammoth Lakes, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  57. Mammoth Lakes Rotary Club Foundation

    EIN 161671758 · Headquarters: Mammoth Lakes, CA, USA · Public & Societal Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  58. Mammoth Lakes Swim Team

    EIN 770233257 · Headquarters: Mammoth Lakes, CA, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  59. Mammoth Lakes Theatre Company

    EIN 432112840 · Headquarters: MAMMOTH LAKES, CA, USA · Arts, Culture & Humanities · Latest available filing year: 2014 · Primary form: IRS Form 990-EZ

  60. Mammoth Lakes Tourism

    EIN 272713328 · Headquarters: MAMMOTH LAKES, CA, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990

  61. Mammoth Lakes Youth Football League Inc

    EIN 201477979 · Headquarters: Mammoth Lakes, CA, US · Recreation & Sports · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  62. Mammoth Lakes Youth Hockey

    EIN 832209202 · Headquarters: Mammoth Lakes, CA, USA · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  63. Mammoth Medical Missions Inc

    EIN 454422214 · Headquarters: MAMMOTH LAKES, CA, USA · International, Foreign Affairs & National Security · Latest available filing year: 2016 · Primary form: IRS Form 990-EZ

  64. Mammoth Middle School Organization

    EIN 770523907 · Headquarters: Mammoth Lakes, CA, US · Education · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  65. Mammoth Mountain Community Foundation Inc

    EIN 264368015 · Headquarters: Mammoth Lakes, CA, USA · Youth Development · Latest available filing year: 2023 · Primary form: IRS Form 990

  66. Mammoth Mountain Ski Patrol Alumni Association

    EIN 832253575 · Headquarters: MAMMOTH LAKES, CA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  67. Mammoth Nordic Foundation

    EIN 260291312 · Headquarters: Mammoth Lakes, CA, US · Education · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  68. Mammoth Orthopedic Institute Research Foundation

    EIN 333429689 · Headquarters: MAMMOTH LAKES, CA, US · Medical Research · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  69. Mammoth Schools Now Education Foundation

    EIN 271255484 · Headquarters: Mammoth Lakes, CA, US · Education · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  70. Mammoth Ski & Snowboard Education

    EIN 953574110 · Headquarters: MAMMOTH LAKES, CA, USA · Recreation & Sports · Latest available filing year: 2012 · Primary form: IRS Form 990-EZ

  71. Mammoth Track Club

    EIN 202746882 · Headquarters: MAMMOTH LAKES, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  72. Mammoth West Owner's Association

    EIN 237158573 · Headquarters: MAMMOTH LAKES, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  73. MLTPA Foundation

    EIN 205554141 · Headquarters: Mammoth Lakes, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  74. Mono Arts Council

    EIN 770131651 · Headquarters: MAMMOTH LAKES, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  75. Mono County Friends of the Library

    EIN 953159515 · Headquarters: Mammoth Lakes, CA, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  76. Mono County Sheriff Search & Rescue

    EIN 770334436 · Headquarters: MAMMOTH LAKES, CA, USA · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2025 · Primary form: IRS Form 990

  77. Music Society of the Eastern Sierra

    EIN 953786298 · Headquarters: Mammoth Lakes, CA, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  78. PhysioSimorg

    EIN 261323619 · Headquarters: Mammoth Lakes, CA, USA · Education · Latest available filing year: 2019 · Primary form: IRS Form 990-EZ

  79. Rotary International

    EIN 680471916 · Headquarters: Mammoth Lakes, CA, US · Community Improvement & Capacity Building · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  80. Sierra Classic Theatre

    EIN 770526504 · Headquarters: MAMMOTH LAKES, CA, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  81. Sierra Eastside Mountain Bike Association

    EIN 474965465 · Headquarters: Mammoth Lakes, CA, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  82. Sierra Spirit Foundation

    EIN 463378179 · Headquarters: Mammoth Lakes, CA, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  83. Southern Mono Historical Society Inc

    EIN 770053500 · Headquarters: MAMMOTH LAKES, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  84. Summit Outdoor Stations

    EIN 261390036 · Headquarters: Mammoth Lakes, CA, USA · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  85. The Benchetler Fasani Foundation

    EIN 874315252 · Headquarters: Mammoth Lakes, CA, USA · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  86. The Silver Lake Foundation

    EIN 461667221 · Headquarters: Mammoth Lakes, CA, USA · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  87. Town of Mammoth Lakes Management Employee Association

    EIN 824915564 · Headquarters: Mammoth Lakes, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  88. Volunteer Eastern Sierra

    EIN 205874622 · Headquarters: Mammoth Lakes, CA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  89. Whitebark Institute

    EIN 471310886 · Headquarters: MAMMOTH LAKES, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990