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. Altadena Community Pocket Garden

    EIN 455584194 · Headquarters: San Diego, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  2. Altadena Wild

    EIN 923371692 · Headquarters: La Canada Flintridge, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  3. Alternate Future Inc

    EIN 850860038 · Headquarters: SAN FRANCISCO, CA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  4. Alternative Energy Institute Inc

    EIN 352045304 · Headquarters: SAN DIEGO, CA, USA · Environment · Latest available filing year: 2020 · Primary form: IRS Form 990-PF

  5. Alternative Global Fuels Inc

    EIN 262991928 · Headquarters: Corona, CA, US · Environment · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  6. Altruistic Acres

    EIN 842126238 · Headquarters: CYPRESS, CA, US · Environment · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  7. Altsol USA

    EIN 272815559 · Headquarters: El Cajon, CA, USA · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990

  8. Alturas Garden Club

    EIN 942259082 · Headquarters: ALTURAS, CA, US · Environment · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  9. Always Giving Back Sports Foundation

    EIN 453039176 · Headquarters: bonita, CA, USA · Environment · Latest available filing year: 2019 · Primary form: IRS Form 990-EZ

  10. Am Rural Technical Assistance Corporation

    EIN 992568793 · Headquarters: FRESNO, CA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  11. Amah Mutsun Land Trust

    EIN 320447436 · Headquarters: Santa Cruz, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  12. Amazon Conservation Project Inc

    EIN 215731379 · Headquarters: SANTA BARBARA, CA, US · Environment · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  13. Amazon Frontlines

    EIN 475521013 · Headquarters: SAN FRANCISCO, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  14. Amazon Watch Inc

    EIN 954604782 · Headquarters: Oakland, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  15. Ambeedo

    EIN 331803247 · Headquarters: Concord, CA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  16. Ambiental Sur Charitable Trust

    EIN 876905380 · Headquarters: Santa Barbara, CA, USA · Environment · Latest available filing year: 2020 · Primary form: IRS Form 990-PF

  17. America in Bloom-santa Paula Inc

    EIN 273148776 · Headquarters: Santa Paula, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  18. American Backflow Prevention Association

    EIN 770342990 · Headquarters: FRESNO, CA, US · Environment · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  19. American Backflow Prevention Association

    EIN 900137939 · Headquarters: San Luis Obispo, CA, US · Environment · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  20. American Begonia Society

    EIN 237381701 · Headquarters: Sacramento, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  21. American Begonia Society

    EIN 953031797 · Headquarters: Santa Monica, CA, US · Environment · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  22. American Begonia Society

    EIN 953166211 · Headquarters: Corona, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  23. American Biodiesel Buyers Club

    EIN 272802257 · Headquarters: Morro Bay, CA, US · Environment · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  24. American Clothing Experiment

    EIN 270372380 · Headquarters: Oakland, CA, US · Environment · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  25. American Council of Engineering Companies California Sequoia Chapt

    EIN 942748303 · Headquarters: Tulare, CA, US · Environment · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  26. American Desert Foundation

    EIN 262476167 · Headquarters: Huntington Beach, CA, US · Environment · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  27. American Energy Project

    EIN 300506791 · Headquarters: Hemet, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  28. American Friends of Nature Go Green Go - Kenya

    EIN 994234440 · Headquarters: NOVATO, CA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  29. American Inns of Court Foundation

    EIN 352272037 · Headquarters: Santa Maria, CA, US · Environment · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  30. American Land Conservancy C/o Murphy Austin Adams Schoenfeld

    EIN 943121656 · Headquarters: SACRAMENTO, CA, USA · Environment · Latest available filing year: 2016 · Primary form: IRS Form 990

  31. American Public Air and Health Institute International Incorporat

    EIN 850965784 · Headquarters: HUNTINGTON BEACH, CA, US · Environment · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  32. American Rhododendron Society

    EIN 942368418 · Headquarters: Santa Cruz, CA, US · Environment · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  33. American Rhododendron Society

    EIN 952994518 · Headquarters: Los Angeles, CA, US · Environment · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  34. American River Conservancy

    EIN 680195752 · Headquarters: Coloma, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  35. American River Natural History Association

    EIN 942766075 · Headquarters: Carmichael, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  36. American River Parkway Foundation Inc

    EIN 942881344 · Headquarters: CARMICHAEL, CA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  37. American River Watershed Institute

    EIN 943326745 · Headquarters: Auburn, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  38. American Rock Garden Society

    EIN 942781080 · Headquarters: OAKLAND, CA, US · Environment · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  39. American Rose Society

    EIN 450585603 · Headquarters: Moreno Valley, CA, US · Environment · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  40. American Rose Society

    EIN 510674891 · Headquarters: Potter Valley, CA, US · Environment · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  41. American Rose Society

    EIN 581783165 · Headquarters: San Bernardino, CA, US · Environment · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  42. American Rose Society

    EIN 581783167 · Headquarters: Glendora, CA, US · Environment · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  43. American Rose Society

    EIN 581783645 · Headquarters: Hanford, CA, US · Environment · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  44. American Rose Society

    EIN 581832594 · Headquarters: March ARB, CA, US · Environment · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  45. American Rose Society

    EIN 581832596 · Headquarters: Stockton, CA, US · Environment · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  46. American Rose Society

    EIN 581832599 · Headquarters: Redding, CA, USA · Environment · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ

  47. American Rose Society

    EIN 770031669 · Headquarters: Wasco, CA, US · Environment · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  48. American Rose Society

    EIN 770416330 · Headquarters: Bakersfield, CA, US · Environment · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  49. American Rose Society

    EIN 820571248 · Headquarters: Columbia, CA, US · Environment · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  50. American Rose Society

    EIN 900050025 · Headquarters: Lakeport, CA, US · Environment · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  51. American Rose Society

    EIN 911764120 · Headquarters: Concord, CA, US · Environment · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  52. American Rose Society

    EIN 912053432 · Headquarters: Ventura, CA, US · Environment · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  53. American Rose Society

    EIN 912053433 · Headquarters: Tehachapi, CA, US · Environment · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  54. American Rose Society

    EIN 954452683 · Headquarters: Studio City, CA, US · Environment · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  55. American Rose Society

    EIN 956122424 · Headquarters: LANCASTER, CA, US · Environment · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  56. American Solar Institute

    EIN 300510045 · Headquarters: San Rafael, CA, US · Environment · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  57. American Woodland Conservancy

    EIN 472535451 · Headquarters: San Luis Obispo, CA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  58. Americas River Communities Inc

    EIN 562180206 · Headquarters: San Carlos, CA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  59. Americas Route 66 Project Street Team

    EIN 933633492 · Headquarters: Victorville, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  60. Amigos De Bolsa Chica

    EIN 330752003 · Headquarters: HUNTINGTON BEACH, CA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  61. Amigos Del Centro De Educacion Ambiental De La Peninsula Yucateca

    EIN 460685380 · Headquarters: Palo Alto, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  62. Amigos Marinos

    EIN 811715859 · Headquarters: Salida, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  63. Amy Appleseed Inc

    EIN 262364738 · Headquarters: Los Gatos, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  64. Anaheim Beautiful Inc

    EIN 330628060 · Headquarters: ANAHEIM, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  65. Anderson Springs Community Alliance

    EIN 061661314 · Headquarters: Middletown, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  66. Anderson Valley Land Trust

    EIN 943142400 · Headquarters: Boonville, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  67. 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

  68. Angel City Reciprocity

    EIN 394783511 · Headquarters: Los Angeles, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  69. Angelenos for Trees

    EIN 872215118 · Headquarters: Los Angeles, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  70. Angeles Chapter Foundation

    EIN 954112557 · Headquarters: Los Angeles, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  71. Angeles National Forest Fire Lookout Association Inc

    EIN 161671582 · Headquarters: Torrance, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  72. Angeles Volunteer Association

    EIN 330595560 · Headquarters: Glendora, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  73. Angelus Oaks Fire Safe Council

    EIN 923807188 · Headquarters: ANGELUS OAKS, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  74. Anglers of Huntington Harbour Inc

    EIN 263702743 · Headquarters: Huntington Beach, CA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  75. Another Reclaimed Treasure from Trash

    EIN 993111488 · Headquarters: San Rafael, CA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  76. Antelope Valley Audubon Society

    EIN 811508036 · Headquarters: Lancaster, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  77. Antelope Valley Citizens for Responsible Use of Water

    EIN 263781216 · Headquarters: Rosamond, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  78. Antelope Valley Community Gardens

    EIN 833157877 · Headquarters: Lancaster, CA, US · Environment · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  79. Antelope Valley Conservancy

    EIN 203349581 · Headquarters: LAKE HUGHES, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  80. Antelope Valley Dust Control Group

    EIN 465379557 · Headquarters: Lancaster, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  81. Anti Greenwashing Coalition Inc

    EIN 923104308 · Headquarters: San Francisco, CA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  82. Anza-Borrego Desert Natural History Asso

    EIN 237107105 · Headquarters: Borrego Springs, CA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  83. Apis Arborea

    EIN 861689144 · Headquarters: Sebastopol, CA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  84. Apparel Impact Institute

    EIN 455146805 · Headquarters: OAKLAND, CA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  85. Applied Engineering Foundation

    EIN 842536753 · Headquarters: Arcadia, CA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  86. Aqua Tutus Diving Inc

    EIN 942921725 · Headquarters: Castro Valley, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  87. Aquaflow Foundation

    EIN 932586156 · Headquarters: Sacramento, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  88. Aqualliance

    EIN 271375304 · Headquarters: CHICO, CA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  89. Aquaticfoundationorg Inc

    EIN 813316909 · Headquarters: Concord, CA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  90. Arcata Community Recycling Center Inc

    EIN 942586999 · Headquarters: Arcata, CA, USA · Environment · Latest available filing year: 2012 · Primary form: IRS Form 990

  91. Arctic Exploration Fund Inc

    EIN 202327604 · Headquarters: Chatsworth, CA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  92. Arena Cove Stewards

    EIN 873374733 · Headquarters: Point Arena, CA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  93. Arleta Community Garden Club

    EIN 811158367 · Headquarters: ARLETA, CA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  94. Arlington Garden in Pasadena

    EIN 202219627 · Headquarters: Pasadena, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  95. Armenian American Medical Society Inc

    EIN 954108352 · Headquarters: GLENDALE, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  96. Army of Volunteers for Earth

    EIN 852084484 · Headquarters: San Jose, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  97. Around the World in Eighty Fabrics

    EIN 873853910 · Headquarters: CARMEL, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  98. Arroyo Conservancy

    EIN 954734711 · Headquarters: Malibu, CA, US · Environment · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  99. Arroyo Grande in Bloom Inc

    EIN 273797711 · Headquarters: ARROYO GRANDE, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  100. Arroyo Grande Sportsmens Club Inc

    EIN 931009205 · Headquarters: ARROYO GRANDE, CA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

First page and all pages