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. Arroyo Seco Foundation Hahamongna Native Plant Nursery

    EIN 954328068 · Headquarters: PASADENA, CA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  2. Arroyos & Foothills Conservancy

    EIN 954790045 · Headquarters: PASADENA, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  3. Art and Ecology Studio

    EIN 334240869 · Headquarters: Topanga, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  4. Art for Nature

    EIN 393307882 · Headquarters: Solana Beach, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  5. Arth Foundation Inc

    EIN 873233774 · Headquarters: Fairfield, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  6. Arts Earth Partnership

    EIN 453951243 · Headquarters: LOS ANGELES, CA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  7. Arts for Earth Foundation

    EIN 010895912 · Headquarters: Ventura, CA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  8. Asbestos Abatement Training Trust

    EIN 330298591 · Headquarters: AZUSA, CA, USA · Environment · Latest available filing year: 2010 · Primary form: IRS Form 990

  9. Asbestos Victims of America Dba Rabbit Haven

    EIN 942692384 · Headquarters: SCOTTS VALLEY, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  10. Asbestos Victims Organization

    EIN 371483486 · Headquarters: Santa Barbara, CA, US · Environment · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  11. Ash Tree Green Burial Inc

    EIN 882120933 · Headquarters: Clovis, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  12. Asian Pacific Environmental Network

    EIN 943261846 · Headquarters: Oakland, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  13. Asm Planning & Research Collaborative

    EIN 450476132 · Headquarters: CARLSBAD, CA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  14. Association for a Cleaner Environment Inc

    EIN 954857197 · Headquarters: Long Beach, CA, US · Environment · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  15. Association for Environmental & Outdoor Education

    EIN 954819097 · Headquarters: Berkeley, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  16. Association for Healthcare Documentation Integrity

    EIN 262464466 · Headquarters: MODESTO, CA, US · Environment · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  17. Association for Women Geoscientists

    EIN 943025020 · Headquarters: Menlo Park, CA, US · Environment · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  18. Association Of Applied Insect Ecologists

    EIN 942232585 · Headquarters: Sanger, CA, USA · Environment · Latest available filing year: 2016 · Primary form: IRS Form 990

  19. Association of Education and Research Greenhouse Curators Nfp

    EIN 270239604 · Headquarters: DAVIS, CA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  20. Association of Hazardous Materials Professionals

    EIN 330256651 · Headquarters: San Diego, CA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  21. Atascadero - Green Valley Watershed Council

    EIN 990749387 · Headquarters: Sebastopol, CA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  22. Atascadero Native Tree Association

    EIN 421541418 · Headquarters: Atascadero, CA, US · Environment · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  23. Athens on the Hill Community Assoc

    EIN 900842712 · Headquarters: LOS ANGELES, CA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  24. Atlas Consulting Services

    EIN 862746136 · Headquarters: Chico, CA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  25. Atwater Garden Club and Camellia Society

    EIN 020758649 · Headquarters: Atwater, CA, US · Environment · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  26. Atypical Planet

    EIN 842026182 · Headquarters: Discovery Bay, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  27. Audubon Canyon Ranch Inc

    EIN 946069140 · Headquarters: STINSON BEACH, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  28. Autoseek Foundation

    EIN 392713258 · Headquarters: Sunnyvale, CA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  29. Avenya Inc

    EIN 811203140 · Headquarters: San Anselmo, CA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  30. Away Station Inc

    EIN 270851334 · Headquarters: NOVATO, CA, US · Environment · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  31. Ayewa Earth Alliance

    EIN 831754086 · Headquarters: Redwood City, CA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  32. Azzurra

    EIN 921361643 · Headquarters: San Francisco, CA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  33. Back Country Land Trust of San Diego County

    EIN 931060214 · Headquarters: ALPINE, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  34. Backcountry Horsemen of California Inc

    EIN 943232751 · Headquarters: Bakersfield, CA, US · Environment · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  35. Backcountry Horsemen of California Inc - Kern Sierra Unit

    EIN 770225487 · Headquarters: BAKERSFIELD, CA, USA · Environment · Latest available filing year: 2017 · Primary form: IRS Form 990-EZ

  36. Backcountry Resource Advocacy Group Inc

    EIN 471507744 · Headquarters: Jacumba, CA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  37. Bad Lines Good Times Inc

    EIN 331442553 · Headquarters: Moorpark, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  38. Baduwa't Watershed Council

    EIN 813360776 · Headquarters: BLUE LAKE, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  39. Baikoen Bonsai Kenkyu Kai

    EIN 851110749 · Headquarters: Temple City, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  40. Baja Coastal Institute Inc

    EIN 452134066 · Headquarters: PACIFIC PALISADES, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  41. Bakman Sustainable Community Foundation Inc

    EIN 464821037 · Headquarters: Fresno, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  42. Balboa Conservation Project

    EIN 873825183 · Headquarters: PASADENA, CA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  43. Ballona Wetland Land Trust

    EIN 954542207 · Headquarters: Playa Del Rey, CA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  44. Ballona Wetlands Conservancy

    EIN 912100439 · Headquarters: IRVINE, CA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  45. Ballona Wetlands Foundation

    EIN 954691304 · Headquarters: PLAYA VISTA, CA, US · Environment · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  46. Balloon Brigade

    EIN 611905428 · Headquarters: HERMOSA BEACH, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  47. Banana Leaf Farms

    EIN 334501115 · Headquarters: Vallejo, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  48. Bangor Hall and Park

    EIN 463526716 · Headquarters: Bangor, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  49. Bank Climate Advocates

    EIN 882047353 · Headquarters: Los Angeles, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  50. Bardini Foundation Inc

    EIN 912151655 · Headquarters: Bishop, CA, US · Environment · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  51. Barrel Bag

    EIN 831447494 · Headquarters: Mill Valley, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  52. Bat Conservancy of Coastal California

    EIN 451458061 · Headquarters: Corralitos, CA, US · Environment · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  53. Batiquitos Lagoon Foundation

    EIN 953852095 · Headquarters: CARLSBAD, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  54. Battle Creek Watershed Conservancy

    EIN 680411734 · Headquarters: MANTON, CA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  55. Bay Area Applied Mycology

    EIN 474041924 · Headquarters: Orinda, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  56. Bay Area Arrangers Guild

    EIN 946108873 · Headquarters: LOS ALTOS HILLS, CA, US · Environment · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  57. Bay Area Carnivorous Plant Society

    EIN 824102522 · Headquarters: Novato, CA, US · Environment · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  58. Bay Area Chrysanthemum Society

    EIN 463233606 · Headquarters: Cupertino, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  59. Bay Area Citizens

    EIN 462242379 · Headquarters: Menlo Park, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  60. Bay Area Clean Air Foundation

    EIN 270481411 · Headquarters: SAN FRANCISCO, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  61. Bay Area Climbers Coalition Inc

    EIN 472675884 · Headquarters: Emeryville, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  62. Bay Area Council of Northern California

    EIN 208602879 · Headquarters: Fremont, CA, US · Environment · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  63. Bay Area Environmental Research Institute

    EIN 943176058 · Headquarters: Moffet Field, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  64. Bay Area Green Toursinc

    EIN 272097333 · Headquarters: OAKLAND, CA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  65. Bay Area Reefers

    EIN 201136952 · Headquarters: DUBLIN, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  66. Bay Area Scholastic Improvement Centers Inc

    EIN 263043565 · Headquarters: Fremont, CA, US · Environment · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  67. Bay Area Stormwater Management Agencies Association

    EIN 264061031 · Headquarters: MENLO PARK, CA, USA · Environment · Latest available filing year: 2020 · Primary form: IRS Form 990

  68. Bay Area Underwater Explorers

    EIN 204088135 · Headquarters: Monterey, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  69. Bay Center

    EIN 200836514 · Headquarters: Kensington, CA, US · Environment · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  70. Bay Counties Dump Truck Association

    EIN 770185296 · Headquarters: SAN JOSE, CA, USA · Environment · Latest available filing year: 2015 · Primary form: IRS Form 990-EZ

  71. Bay Nature Institute Dba Bay Nature Bay Nature Magazine

    EIN 760744881 · Headquarters: Berkeley, CA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  72. Bay Point Garden Club

    EIN 371556935 · Headquarters: Pittsburg, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  73. Bay Tides

    EIN 933889081 · Headquarters: Redwood City, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  74. Bay-l I S A

    EIN 680249686 · Headquarters: Sunnyvale, CA, US · Environment · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  75. Baykeeper

    EIN 680120240 · Headquarters: Oakland, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  76. Bayview Community Concerned Citizens

    EIN 922324607 · Headquarters: San Francisco, CA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  77. Baywork

    EIN 812181960 · Headquarters: San Francisco, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  78. Bchc Education Fund Inc

    EIN 204093378 · Headquarters: BAKERSFIELD, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  79. Be Creative Zone

    EIN 330776908 · Headquarters: San Diego, CA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  80. Be in Nature

    EIN 995121577 · Headquarters: San Jose, CA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  81. Beach Ecology Coalition

    EIN 263751327 · Headquarters: Los Angeles, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  82. Beacon

    EIN 770421825 · Headquarters: Port Hueneme, CA, US · Environment · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  83. Bear Creek Yacht Club Inc

    EIN 872981125 · Headquarters: Merced, CA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  84. Bear River Innovative Studies

    EIN 274018220 · Headquarters: AUBURN, CA, US · Environment · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  85. Bear River Watershed Inc

    EIN 833238930 · Headquarters: Ferndale, CA, US · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  86. Bear Valley Environmental Protection Society

    EIN 263354504 · Headquarters: Orange, CA, US · Environment · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  87. Bear Valley Protection Society

    EIN 332629705 · Headquarters: Running Springs, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  88. Bear Valley Trail Stewardship

    EIN 822200576 · Headquarters: Oakland, CA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  89. Bear Yuba Land Trust

    EIN 680256981 · Headquarters: Grass Valley, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  90. Beau Monde Image Foundation

    EIN 262937703 · Headquarters: Atherton, CA, US · Environment · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  91. Beautify La

    EIN 331571923 · Headquarters: Los Angeles, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  92. Beavers Forest School

    EIN 394087250 · Headquarters: Shasta Lake, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  93. Beequilibrium Foundation

    EIN 811703825 · Headquarters: Northridge, CA, US · Environment · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  94. Beleaf in Good

    EIN 922412713 · Headquarters: Vista, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  95. Believing California

    EIN 932739227 · Headquarters: Valley Village, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  96. Belmont Shore Bayshore Marina Associated

    EIN 953416255 · Headquarters: Long Beach, CA, US · Environment · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  97. Below the Blue

    EIN 853634791 · Headquarters: SOUTHLAKE TAHOE, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  98. Benevolent&Protective Order of Elks Of USA

    EIN 951786808 · Headquarters: Hawaiian Gardens, CA, USA · Environment · Latest available filing year: 2014 · Primary form: IRS Form 990

  99. Benicia Tree Foundation

    EIN 271218587 · Headquarters: Benicia, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  100. Benmore Valley Project

    EIN 832392403 · Headquarters: SANTA CRUZ, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

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