Environment nonprofits in California

Environment nonprofits in California. Browse 4,392 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. Carmel Valley Village Improvement Committee

    EIN 770320970 · Headquarters: Carmel Valley, CA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  2. Carmel-by-the-Sea Garden Club

    EIN 942767735 · Headquarters: Carmel, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  3. Carob Tree Foundation

    EIN 824709138 · Headquarters: SOLVANG, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  4. Carpe Diem West

    EIN 943373078 · Headquarters: Sausalito, CA, US · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  5. Carquinez Regional Environmental Education Center

    EIN 680358741 · Headquarters: CROCKETT, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  6. Carrotmob Inc

    EIN 272672951 · Headquarters: San Francisco, CA, US · Environment · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  7. Casa Pacheco Preservation Foundation

    EIN 320217219 · Headquarters: Monterey, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  8. Case4good

    EIN 833908078 · Headquarters: Half Moon Bay, CA, USA · Environment · Latest available filing year: 2020 · Primary form: IRS Form 990-PF

  9. Casey Ray Hankins Foundation for a Cleaner Forest

    EIN 831554484 · Headquarters: Paradise, CA, US · Environment · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  10. Casm Sfv Inc

    EIN 461243595 · Headquarters: Sylmar, CA, US · Environment · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  11. Caspers Park Preservation Foundation

    EIN 954620200 · Headquarters: San Juan Capistrano, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  12. Catalina Ecology Project

    EIN 364711777 · Headquarters: Los Angeles, CA, US · Environment · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  13. Catalina Marine Society

    EIN 800523866 · Headquarters: Lomita, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  14. Catalina Sea Bass Fund Inc

    EIN 330769316 · Headquarters: AVALON, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  15. Catalyst4 Inc

    EIN 873323607 · Headquarters: PALO ALTO, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  16. Caura Futures Inc

    EIN 510541583 · Headquarters: Berkeley, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  17. Cayucos Land Conservancy

    EIN 770506896 · Headquarters: CAYUCOS, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  18. Cbmc Inc

    EIN 510184567 · Headquarters: Torrance, CA, US · Environment · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  19. Ccc Foundation

    EIN 680160977 · Headquarters: FAIR OAKS, CA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  20. Ccmad Financing Corporation

    EIN 943169441 · Headquarters: Concord, CA, US · Environment · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  21. Ccsep Foundation

    EIN 463133930 · Headquarters: Los Angeles, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  22. Ccto Charlotte Cleans the Ocean Inc

    EIN 872344341 · Headquarters: Alpine, CA, US · Environment · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  23. Cedar Grove Foundation

    EIN 993438877 · Headquarters: MENLO PARK, CA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  24. Cedar Nature Society

    EIN 333043135 · Headquarters: Livermore, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  25. Celandine Seed Collective

    EIN 332195825 · Headquarters: Costa Mesa, CA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  26. Celidon Foundation

    EIN 020594259 · Headquarters: Lompoc, CA, US · Environment · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  27. Center for Access and Resource Defense

    EIN 261226330 · Headquarters: VICTORVILLE, CA, US · Environment · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  28. Center for Alternative Fuels

    EIN 812994455 · Headquarters: Orangevale, CA, US · Environment · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  29. Center for Applied Horticultural Research

    EIN 262486168 · Headquarters: VISTA, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  30. Center for Awareness and Responsibility of Environmental So

    EIN 332480005 · Headquarters: SAN FRANCISCO, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  31. Center for Balanced Land Use Inc

    EIN 800473415 · Headquarters: San Mateo, CA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  32. Center for California Water Resources Policy and Management

    EIN 273136428 · Headquarters: LOS BANOS, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  33. Center for Community Energy

    EIN 844110503 · Headquarters: Vista, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  34. Center for Creative Land Recycling

    EIN 943302410 · Headquarters: Berkeley, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  35. Center for Ecoliteracy

    EIN 942911417 · Headquarters: BERKELEY, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  36. Center for Ecosystem Management & Restoration

    EIN 943356594 · Headquarters: Oakland, CA, USA · Environment · Latest available filing year: 2017 · Primary form: IRS Form 990-EZ

  37. Center for Electrosmog Prevention

    EIN 452441587 · Headquarters: LA MESA, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  38. Center for Energy Efficiency and Renewable Technologies

    EIN 680260751 · Headquarters: Sacramento, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  39. Center for Environmental Leadership

    EIN 473505407 · Headquarters: Julian, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  40. Center for Environmentally Recycled Building Alternatives

    EIN 860889143 · Headquarters: Los Angeles, CA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  41. Center for Healthful Living

    EIN 330857598 · Headquarters: LOMA LINDA, CA, US · Environment · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  42. Center for Land-Based Learning

    EIN 680472121 · Headquarters: Woodland, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  43. Center for Natural Lands Management

    EIN 680233573 · Headquarters: TEMECULA, CA, USA · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990

  44. Center for Oceanic Awareness Research and Education Inc

    EIN 208495026 · Headquarters: Oakland, CA, US · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  45. Center for People Food and Environment

    EIN 860565457 · Headquarters: Santa Barbara, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  46. Center for Plant Conservation

    EIN 222527116 · Headquarters: Wildomar, CA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  47. Center for Political Ecology

    EIN 770254129 · Headquarters: SANTA CRUZ, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  48. Center for Research on Environmental Chemicals in Humans

    EIN 821260938 · Headquarters: CALABASAS, CA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  49. Center for Resource Solutions

    EIN 943265560 · Headquarters: San Francisco, CA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  50. Center for Sea Rise Solutions

    EIN 872009546 · Headquarters: Sausalito, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  51. Center for Sierra Nevada Conservation

    EIN 680108508 · Headquarters: Georgetown, CA, USA · Environment · Latest available filing year: 2019 · Primary form: IRS Form 990

  52. Center for Strategic Policy Innovation

    EIN 831162363 · Headquarters: NEWPORT BEACH, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  53. Center for Sustainable Energy

    EIN 330936366 · Headquarters: San Diego, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  54. Center for Sustainable Energy Farming

    EIN 273280296 · Headquarters: Long Beach, CA, USA · Environment · Latest available filing year: 2011 · Primary form: IRS Form 990-EZ

  55. Center for the Next Generation

    EIN 371618863 · Headquarters: Portola Valley, CA, USA · Environment · Latest available filing year: 2016 · Primary form: IRS Form 990-EZ

  56. Center for the Study of the Environment

    EIN 770301655 · Headquarters: Santa Barbara, CA, US · Environment · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  57. Center for Whale Studies

    EIN 943020977 · Headquarters: Oakland, CA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  58. Central Basin Water Association

    EIN 951643011 · Headquarters: AZUSA, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  59. Central California Environmental Justice Network

    EIN 871795259 · Headquarters: Fresno, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  60. Central California Joint Cable Fisheries Liaison Committee

    EIN 770520415 · Headquarters: MORRO BAY, CA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  61. Central California Koi Society Inc

    EIN 822391255 · Headquarters: Fresno, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  62. Central Coast Action Coalition

    EIN 462977242 · Headquarters: Pismo Beach, CA, US · Environment · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  63. Central Coast Agricultural Water Quality Coalition

    EIN 731718154 · Headquarters: CAPITOLA, CA, USA · Environment · Latest available filing year: 2014 · Primary form: IRS Form 990

  64. Central Coast Clean Cities Coalition

    EIN 352671707 · Headquarters: SANTA BARBARA, CA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  65. Central Coast Dahlia Society

    EIN 833311770 · Headquarters: SAN LUIS OBISPO, CA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  66. Central Coast Fiddlers

    EIN 770362523 · Headquarters: ARROYO GRANDE, CA, US · Environment · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  67. Central Coast Fund

    EIN 943013438 · Headquarters: Mountain View, CA, US · Environment · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  68. Central Coast Groundwater Coalition Inc

    EIN 463372081 · Headquarters: SALINAS, CA, USA · Environment · Latest available filing year: 2021 · Primary form: IRS Form 990-EZ

  69. Central Coast Motel Association Inc

    EIN 770324199 · Headquarters: San Simeon, CA, US · Environment · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  70. Central Coast Officials Association Inc

    EIN 770294264 · Headquarters: Santa Maria, CA, US · Environment · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  71. Central Coast Resource Conservation & Development Council

    EIN 470882249 · Headquarters: Morro Bay, CA, US · Environment · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  72. Central Coast Trail Riders Association Charitable Foundation

    EIN 821350465 · Headquarters: SAN LUIS OBISPO, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  73. Central Coast Water Quality Preservation Inc

    EIN 201569720 · Headquarters: WATSONVILLE, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  74. Central Coast Water Resources Center

    EIN 453361187 · Headquarters: Moss Landing, CA, US · Environment · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  75. Central Modoc River Center

    EIN 841644257 · Headquarters: Alturas, CA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  76. Central Park Gardens of Davis

    EIN 813801175 · Headquarters: Davis, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  77. Central Sierra Resource Conserv & Development

    EIN 421586576 · Headquarters: JACKSON, CA, USA · Environment · Latest available filing year: 2016 · Primary form: IRS Form 990-EZ

  78. Central Sierra Watershed Coalition

    EIN 680279809 · Headquarters: Sonora, CA, US · Environment · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  79. Central Valley Anglers

    EIN 510626732 · Headquarters: WOODBRIDGE, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  80. Central Valley Auto Recyclers Association Inc

    EIN 770071902 · Headquarters: Sacramento, CA, US · Environment · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  81. Central Valley Farmland Conservancy

    EIN 454130114 · Headquarters: FRESNO, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  82. Central Valley Prospectors-gpaa

    EIN 562487009 · Headquarters: Fresno, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  83. Centre for Applied Ecological Remediation

    EIN 332214178 · Headquarters: West Hollywood, CA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  84. Champions for Change

    EIN 992685145 · Headquarters: WHITTIER, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  85. Change Thru Change Inc

    EIN 861657769 · Headquarters: Santa Rosa, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  86. Channel G

    EIN 562363470 · Headquarters: WOODSIDE, CA, USA · Environment · Latest available filing year: 2012 · Primary form: IRS Form 990-EZ

  87. Channel Islands Cetacean Research Unit

    EIN 463249310 · Headquarters: Santa Barbara, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  88. Channel Islands District of California Garden Clubs Inc

    EIN 954388007 · Headquarters: WESTLAKE VILLAGE, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  89. Channel Islands Marine Resource Institute

    EIN 770451614 · Headquarters: Port Hueneme, CA, US · Environment · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  90. Channel Islands Restoration

    EIN 611463876 · Headquarters: Santa Barbara, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  91. Charge Across Town

    EIN 472561263 · Headquarters: SAN FRANCISCO, CA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  92. Charity for a Sustainable World Inc

    EIN 465234129 · Headquarters: San Francisco, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  93. Charmlee Nature Preserve Foundation

    EIN 954604435 · Headquarters: Malibu, CA, US · Environment · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  94. Chasewood Conservancy Foundation

    EIN 262574577 · Headquarters: LOS GATOS, CA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  95. Chavez Park Conservancy

    EIN 843326873 · Headquarters: Berkeley, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  96. Cheer Coastal Habitat Education and Environmental Restoration

    EIN 731684508 · Headquarters: GILROY, CA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  97. Chemeketa Park Mutual Water Company

    EIN 941081657 · Headquarters: REDWOOD ESTATES, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  98. Chemical Toxin Working Group

    EIN 460716936 · Headquarters: TOPANGA, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  99. Chestnut Ridge Foundation

    EIN 384087443 · Headquarters: Cazadero, CA, USA · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  100. Chevy Chase Estates Garden Club

    EIN 956068448 · Headquarters: Glendale, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

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