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. San Francisco Community Land Trust

    EIN 113700403 · Headquarters: SAN FRANCISCO, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  2. San Francisco Community Power

    EIN 010593054 · Headquarters: San Francisco, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  3. San Francisco Community Recyclers

    EIN 942685719 · Headquarters: SAN FRANCISCO, CA, USA · Environment · Latest available filing year: 2019 · Primary form: IRS Form 990

  4. San Francisco Estuary Institute

    EIN 942951373 · Headquarters: Richmond, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  5. San Francisco Forest Alliance

    EIN 454982997 · Headquarters: San Francisco, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  6. San Francisco Garden Club

    EIN 940835670 · Headquarters: San Francisco, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  7. San Francisco Green Community

    EIN 943221558 · Headquarters: San Francisco, CA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  8. San Francisco Nature Education

    EIN 542111941 · Headquarters: San Francisco, CA, US · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  9. San Gabriel Cactus & Succulent Society

    EIN 953924634 · Headquarters: ARCADIA, CA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  10. San Gabriel Mountains Region Conservancy

    EIN 954702549 · Headquarters: GLENDORA, CA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  11. San Gabriel Valley Area 3 Oversight Group

    EIN 651281538 · Headquarters: ALHAMBRA, CA, US · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  12. San Geronimo Valley Land Trust

    EIN 911806303 · Headquarters: Woodacre, CA, US · Environment · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  13. San Geronimo Valley Stewards Corp

    EIN 010939643 · Headquarters: Laginitas, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  14. San Gorgonio Outdoor Science School

    EIN 843197874 · Headquarters: SANTA ANA, CA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  15. San Jacinto River Watershed Council

    EIN 341975660 · Headquarters: San Jacinto, CA, US · Environment · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  16. San Jacinto Valley Wetlands Foundation

    EIN 202358078 · Headquarters: HUNTINGTON BEACH, CA, US · Environment · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  17. San Joaquin Audubon Society

    EIN 942576665 · Headquarters: Stockton, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  18. San Joaquin County Citizens Land Alliance

    EIN 911841451 · Headquarters: TRACY, CA, USA · Environment · Latest available filing year: 2017 · Primary form: IRS Form 990

  19. San Joaquin Orchid Society Inc

    EIN 943283120 · Headquarters: Stockton, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  20. San Joaquin River Access Corporation

    EIN 823231827 · Headquarters: FRESNO, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  21. San Joaquin River Parkway & Conservation Trust

    EIN 770196692 · Headquarters: FRESNO, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  22. San Joaquin River Stewardship Program Inc

    EIN 273505390 · Headquarters: Fresno, CA, US · Environment · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  23. San Joaquin River Trail Foundation

    EIN 880857261 · Headquarters: Cambria, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  24. San Joaquin Valley Clean Energy Organization

    EIN 421746005 · Headquarters: Fresno, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  25. San Joaquin Valley Conservancy

    EIN 770572903 · Headquarters: MERCED, CA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  26. San Joaquin Wildlife Sanctuary Inc

    EIN 330527271 · Headquarters: IRVINE, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  27. San Jose Garden Club

    EIN 770117410 · Headquarters: SAN JOSE, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  28. San Juan Canyon Preservation Trust

    EIN 311620676 · Headquarters: Belmont, CA, US · Environment · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  29. San Juan Capisprano Garden Club

    EIN 481291530 · Headquarters: San Juan Capistrano, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  30. San Juan Capistrano Open Space Foundation Inc

    EIN 800327327 · Headquarters: San Juan Capistrano, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  31. San Leandro 2050

    EIN 841901458 · Headquarters: San Leandro, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  32. San Leandro Dahlia Society

    EIN 332733554 · Headquarters: San Leandro, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  33. San Luis Obispo County Foundation for Agricultural Awareness Inc

    EIN 770488482 · Headquarters: San Luis Obispo, CA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  34. San Luis Obispo Parks Open Space & Trails Foundation

    EIN 770318094 · Headquarters: ARROYO GRANDE, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  35. San Luis Rey Watershed Council

    EIN 264643230 · Headquarters: Murrieta, CA, US · Environment · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  36. San Mateo Arboretum Society Inc

    EIN 510178003 · Headquarters: San Mateo, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  37. San Mateo Garden Center

    EIN 237222141 · Headquarters: SAN MATEO, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  38. San Pasqual Valley Preservation Alliance

    EIN 474943563 · Headquarters: Escondido, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  39. San Pedro Creek Watershed Coalition

    EIN 943376579 · Headquarters: Pacifica, CA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  40. Sanctuary Forest Inc

    EIN 942676195 · Headquarters: WHITETHORN, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  41. Sanctuary of the Sacred Arts

    EIN 331544176 · Headquarters: Los Angeles, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  42. Sandiego350

    EIN 462118727 · Headquarters: San Diego, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  43. Sankofa Roots

    EIN 874164125 · Headquarters: Oakland, CA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  44. Sans Souci Land Co

    EIN 946129036 · Headquarters: Bay Point, CA, USA · Environment · Latest available filing year: 2022 · Primary form: IRS Form 990

  45. Sansui Kai of Southern California

    EIN 770522476 · Headquarters: Santa Clarita, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  46. Santa Aguila Foundation Inc

    EIN 272144593 · Headquarters: SANTA BARBARA, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  47. Santa Ana Watershed Association

    EIN 460495604 · Headquarters: Riverside, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  48. Santa Barbara Audubon Society

    EIN 237051362 · Headquarters: SANTA BARBARA, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  49. Santa Barbara Beautiful

    EIN 237055360 · Headquarters: SANTA BARBARA, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  50. Santa Barbara Botanic Garden

    EIN 951644628 · Headquarters: SANTA BARBARA, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  51. Santa Barbara Channelkeeper

    EIN 912151460 · Headquarters: Santa Barbara, CA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  52. Santa Barbara International Orchid Show

    EIN 770017986 · Headquarters: Carpinteria, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  53. Santa Barbara Landscape Gardeners Association Inc

    EIN 237074509 · Headquarters: Santa Barbara, CA, US · Environment · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  54. Santa Barbara Permaculture Network

    EIN 770560451 · Headquarters: SANTA BARBARA, CA, US · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  55. Santa Barbara Urban Creeks Collective

    EIN 770398787 · Headquarters: Santa Barbara, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  56. Santa Clara County Auto Recyclers Associ

    EIN 942822296 · Headquarters: San Martin, CA, USA · Environment · Latest available filing year: 2016 · Primary form: IRS Form 990-EZ

  57. Santa Clara County Creeks Coalition

    EIN 711039016 · Headquarters: Sebastopol, CA, US · Environment · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  58. Santa Clara River Conservancy

    EIN 270595246 · Headquarters: SANTA PAULA, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  59. Santa Clara Valley Bird Alliance

    EIN 946081420 · Headquarters: CUPERTINO, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  60. Santa Clarita Valley Tnr

    EIN 333774602 · Headquarters: Valencia, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  61. Santa Clarita Valley Well Owners Association

    EIN 331091432 · Headquarters: Canyon Country, CA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  62. Santa Cruz Area Transporation Management Association

    EIN 770390010 · Headquarters: Santa Cruz, CA, US · Environment · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  63. Santa Cruz County Greenway Inc

    EIN 821286815 · Headquarters: Santa Cruz, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  64. Santa Cruz Hub for Sustainable Living

    EIN 311748056 · Headquarters: SANTA CRUZ, CA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  65. Santa Cruz Mountain Girl

    EIN 843835113 · Headquarters: Scotts Valley, CA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  66. Santa Cruz Mountains Trail Stewardship

    EIN 770457425 · Headquarters: Santa Cruz, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  67. Santa Cruz Orchid Society

    EIN 824347065 · Headquarters: Santa Cruz, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  68. Santa Cruz Youth Maritime Foundation

    EIN 883275728 · Headquarters: Santa Cruz, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  69. Santa Lucia Conservancy

    EIN 770411485 · Headquarters: CARMEL, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  70. Santa Maria Orchid Society Incorporated

    EIN 300862914 · Headquarters: Santa Maria, CA, US · Environment · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  71. Santa Maria Valley Open Space

    EIN 454376514 · Headquarters: Orcutt, CA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  72. Santa Monica Bay Restoration Foundation

    EIN 330420271 · Headquarters: PLAYA DEL REY, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  73. Santa Monica Mountains & Seashore Foundation

    EIN 911763517 · Headquarters: CAMBRIA, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  74. Santa Monica Mountains Safe Trails Association

    EIN 822110306 · Headquarters: Palos Verdes Est, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  75. Santa Rosa Garden Club

    EIN 946104506 · Headquarters: Santa Rosa, CA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  76. Santa Rosa Tool Library

    EIN 263325479 · Headquarters: Santa Rosa, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  77. Santa Ynez Valley Botanic Garden Foundation Inc

    EIN 261197733 · Headquarters: BUELLTON, CA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  78. Santa Ynez Valley Coalition Education Fund

    EIN 822491977 · Headquarters: Los Olivos, CA, US · Environment · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  79. Santa Ynez Valley Natural History Society

    EIN 770573674 · Headquarters: Los Olivos, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  80. Santee Community Foundation

    EIN 460668130 · Headquarters: Santee, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  81. Santiago Creek Greenway Alliance

    EIN 330462793 · Headquarters: Orange, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  82. Sapling Garden of Growth

    EIN 332536285 · Headquarters: Santee, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  83. Sarvodaya Institute Inc

    EIN 823895964 · Headquarters: Diamond Bar, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  84. Satsuki Aikokai Association

    EIN 680021898 · Headquarters: Sacramento, CA, US · Environment · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  85. Sausalito Beautiful Inc

    EIN 471179052 · Headquarters: Sausalito, CA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  86. Savage Lands Inc

    EIN 352755049 · Headquarters: Santa Barbara, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  87. Save a Snowman

    EIN 208865039 · Headquarters: Glendale, CA, US · Environment · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  88. Save Bonneville Inc

    EIN 472532387 · Headquarters: SIMI VALLEY, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  89. Save California Salmon

    EIN 881650309 · Headquarters: ORLEANS, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  90. Save Cuesta Inlet Inc

    EIN 883235556 · Headquarters: LOS OSOS, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  91. Save El Nido

    EIN 872961149 · Headquarters: San Francisco, CA, US · Environment · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  92. Save Elephant Hill

    EIN 882259317 · Headquarters: LOS ANGELES, CA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  93. Save Hillcrest

    EIN 263034566 · Headquarters: san diego, CA, US · Environment · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  94. Save Lafayette Trees

    EIN 822027363 · Headquarters: Lafayette, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  95. Save Lake Almanor Committee

    EIN 204536793 · Headquarters: Lake Almanor, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  96. Save Las Pulgas Canyon Inc

    EIN 954168132 · Headquarters: Pacific Palisades, CA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  97. Save Mission Trails

    EIN 460572690 · Headquarters: SANTEE, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  98. Save Napa Valley Foundation

    EIN 850886616 · Headquarters: ANGWIN, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  99. Save Oak Savanna

    EIN 030573941 · Headquarters: Woodland Hills, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  100. Save Oswit Canyon Inc

    EIN 832006672 · Headquarters: PALM SPRINGS, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

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