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. SOL Communications Inc

    EIN 954648687 · Headquarters: Montgomery Creek, CA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  2. Solana Beach Eco Rotary Club Foundation

    EIN 454827435 · Headquarters: Solana Beach, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  3. Solana Center for Environmental Innovation

    EIN 330009949 · Headquarters: ENCINITAS, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  4. Solar and Energy Education and Research

    EIN 455097085 · Headquarters: Arcata, CA, US · Environment · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  5. Solar Cookers International

    EIN 680153141 · Headquarters: Sacramento, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  6. Solar Environmental Conservancy Inc

    EIN 474018162 · Headquarters: los angeles, CA, US · Environment · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  7. Solar For Peace

    EIN 271251034 · Headquarters: Danville, CA, USA · Environment · Latest available filing year: 2016 · Primary form: IRS Form 990

  8. Solar Power&water Inc

    EIN 263339694 · Headquarters: PASO ROBLES, CA, US · Environment · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  9. Solar Rights Alliance

    EIN 811203907 · Headquarters: SAN DIEGO, CA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  10. Solar Roots

    EIN 371618472 · Headquarters: Berkeley, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  11. Solar Sonoma County

    EIN 300508907 · Headquarters: Santa Rosa, CA, US · Environment · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  12. Solar the Sign Inc

    EIN 271808417 · Headquarters: LOS ANGELES, CA, US · Environment · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  13. Solar Times Inc

    EIN 300563087 · Headquarters: STINSON BEACH, CA, US · Environment · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  14. Solar4health

    EIN 474473920 · Headquarters: Palo Alto, CA, US · Environment · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  15. Solibre La

    EIN 853575126 · Headquarters: LOS ANGELES, CA, USA · Environment · Latest available filing year: 2020 · Primary form: IRS Form 990

  16. Solidaridad Network

    EIN 461528546 · Headquarters: BERKELEY, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  17. Solutions

    EIN 680340543 · Headquarters: Lodi, CA, US · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  18. Solutions Project Inc

    EIN 463811348 · Headquarters: Los Angeles, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  19. Sonoma County Mycological Association

    EIN 680486141 · Headquarters: SANTA ROSA, CA, USA · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  20. Sonoma County Orchid Society

    EIN 680131566 · Headquarters: Santa Rosa, CA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  21. Sonoma Ecology Center

    EIN 943136500 · Headquarters: Eldridge, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  22. Sonoma Land Trust

    EIN 510197006 · Headquarters: Santa Rosa, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  23. Sonoma Mountain Institute

    EIN 470875432 · Headquarters: Colfax, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  24. Sonoma Mountain Preservation Group Inc

    EIN 680428234 · Headquarters: GLEN ELLEN, CA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  25. Soul Seeds Community

    EIN 843178756 · Headquarters: los angeles, CA, US · Environment · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  26. Soulful Soil Farms

    EIN 933025763 · Headquarters: Corona, CA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  27. Sounds of Swenson

    EIN 830577977 · Headquarters: Stockton, CA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  28. Source Wild Inc

    EIN 831639080 · Headquarters: SAN FRANCISCO, CA, US · Environment · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  29. South Bay Boardriders Club

    EIN 272207900 · Headquarters: Hermosa Beach, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  30. South Bay Business Environmental Coalition

    EIN 954396281 · Headquarters: Manhattan Beach, CA, US · Environment · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  31. South Bay Clean Creeks Coalition

    EIN 473700555 · Headquarters: San Jose, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  32. South Bay Community Network

    EIN 204620507 · Headquarters: Campbell, CA, US · Environment · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  33. South Bay Gang Abatement Project

    EIN 954491994 · Headquarters: Hawthorne, CA, US · Environment · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  34. South Bay Management Society an Affilated Byus School of Managemen

    EIN 943153059 · Headquarters: San Jose, CA, US · Environment · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  35. South Bay Parkland Conservancy

    EIN 320124116 · Headquarters: REDONDO BEACH, CA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  36. South Bay Youth Sports Network

    EIN 271779379 · Headquarters: San Jose, CA, US · Environment · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  37. South Coast Botanic Garden Foundation Inc

    EIN 956062220 · Headquarters: PALOS VERDES PENINSULA, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  38. South Coast Plumeria Society

    EIN 912164485 · Headquarters: Seal Beach, CA, US · Environment · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  39. South Coast Resource Conservation and Development Area Foundation

    EIN 330820515 · Headquarters: RIVERSIDE, CA, US · Environment · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  40. South Coast Wildlands

    EIN 912074096 · Headquarters: FAIR OAKS, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  41. South County Alliance

    EIN 934453778 · Headquarters: Grizzly Flats, CA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  42. South County Watermans Club

    EIN 843379618 · Headquarters: Trabuco Canyon, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  43. South Fork Trinity River Land Conservancy

    EIN 680401527 · Headquarters: Salyer, CA, US · Environment · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  44. South LA Tree Coalition

    EIN 920557438 · Headquarters: Los Angeles, CA, United States · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  45. South Laguna Community Garden Park

    EIN 932931454 · Headquarters: LAGUNA BEACH, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  46. South Lake Tahoe Police Activities League Inc

    EIN 680316738 · Headquarters: South Lake Tahoe, CA, US · Environment · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  47. Southern California Bluebird Club

    EIN 460729987 · Headquarters: Irvine, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  48. Southern California Botanists

    EIN 953885794 · Headquarters: Claremont, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  49. Southern California Camellia Council

    EIN 800751867 · Headquarters: Lake View Terrace, CA, USA · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-PF

  50. Southern California Carnivorous Plants Enthusiasts

    EIN 843440163 · Headquarters: Buena Park, CA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  51. Southern California Forum For Energy

    EIN 954773649 · Headquarters: Venice, CA, US · Environment · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  52. Southern California Hibiscus Society

    EIN 473178601 · Headquarters: Tustin, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  53. Southern California Hoo Hoo Club No 117 Incorporated

    EIN 264680646 · Headquarters: Pomona, CA, US · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  54. Southern California Horticultural Society Inc C/o Missionwell Llc

    EIN 956064417 · Headquarters: PASADENA, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  55. Southern California Mountains Foundation

    EIN 330556414 · Headquarters: SAN BERNARDINO, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  56. Southern California Natural History Associates Inc

    EIN 331175350 · Headquarters: Fallbrook, CA, US · Environment · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  57. Southern California Plumeria Society

    EIN 330878547 · Headquarters: ENCINITAS, CA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  58. Southern California Salinity Coalition Inc

    EIN 820576283 · Headquarters: Fountain Valley, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  59. Southern California Trail Adoption Initiative

    EIN 992388897 · Headquarters: Fallbrook, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  60. Southern California Water Coalition Inc

    EIN 330081886 · Headquarters: CORONA, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  61. Southern Low Desert Resource Conservation and Dev Council

    EIN 010548550 · Headquarters: EL CENTRO, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  62. Southern Sierra Conservancy

    EIN 384266971 · Headquarters: Kernville, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  63. Southern Sierra Research Station

    EIN 770536154 · Headquarters: WELDON, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  64. Southern Sustainable Resources

    EIN 262583956 · Headquarters: Oakland, CA, USA · Environment · Latest available filing year: 2013 · Primary form: IRS Form 990-EZ

  65. Southland Orchid Societies Show Committee

    EIN 956095508 · Headquarters: Los Angeles, CA, US · Environment · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  66. Southside Park Neighborhood Improvement

    EIN 680366057 · Headquarters: Sacramento, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  67. Southwest Botanical Garden

    EIN 453483027 · Headquarters: Temecula, CA, US · Environment · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  68. Southwest Hemerocallis Society

    EIN 953574249 · Headquarters: San diego, CA, US · Environment · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  69. Southwest Marine Educators Association

    EIN 455230097 · Headquarters: Long Beach, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  70. Southwest Resource Management Association

    EIN 453831928 · Headquarters: RIVERSIDE, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  71. Southwest Riverside County Fire Safe Council

    EIN 330852238 · Headquarters: Wildomar, CA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  72. Southwest Wetlands Interpretive Association

    EIN 953488027 · Headquarters: Imperial Beach, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  73. Space Gate Corporation

    EIN 812783392 · Headquarters: San Diego, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  74. Space Wealth

    EIN 202132742 · Headquarters: Redwood City, CA, US · Environment · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  75. Spare

    EIN 392101919 · Headquarters: Corte Madera, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  76. Spark Climate Solutions

    EIN 874299990 · Headquarters: Covina, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  77. Spatial Informatics Group Natural Assets Laboratory SIG-NAL

    EIN 454219184 · Headquarters: Pleasanton, CA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  78. Species Habitat and Land Trust Inc

    EIN 465584596 · Headquarters: Montrose, CA, USA · Environment · Latest available filing year: 2016 · Primary form: IRS Form 990-EZ

  79. Species Restoration Project

    EIN 460982928 · Headquarters: San Diego, CA, US · Environment · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  80. Spight Foundation

    EIN 680417733 · Headquarters: Concord, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  81. Spiral Pacific Inc

    EIN 815390616 · Headquarters: Hermosa Beach, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  82. Spirit for Change Now Inc

    EIN 863608636 · Headquarters: San Jose, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  83. Spirit of Max Foundation

    EIN 874104202 · Headquarters: MILL VALLEY, CA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  84. Spogomi USA

    EIN 413904055 · Headquarters: Venice, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  85. Sportsmens Legacy Foundation

    EIN 320038124 · Headquarters: Fair Oaks, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  86. Spread the Seed

    EIN 932234652 · Headquarters: Sacramento, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  87. Spring Rivers Foundation

    EIN 201778247 · Headquarters: Cassel, CA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  88. Spring Valley Lakes Property Owners Association

    EIN 942594928 · Headquarters: Clearlake Oaks, CA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  89. Springboard Connectivity Inc

    EIN 923994848 · Headquarters: OJAI, CA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  90. Sprout Up Inc

    EIN 270659313 · Headquarters: San Francisco, CA, US · Environment · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  91. Sri Lanka Wild Life Conservation Society

    EIN 223509091 · Headquarters: Long Beach, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  92. Ssfl Cag Foundation

    EIN 472219588 · Headquarters: SIMI VALLEY, CA, US · Environment · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  93. St George Reef Lighthouse Preservation Society

    EIN 680233257 · Headquarters: CRESCENT CITY, CA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  94. St Vincents Hill Neighborhood Coalition

    EIN 900401878 · Headquarters: Vallejo, CA, USA · Environment · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ

  95. Stand Up To Trash Inc

    EIN 852769680 · Headquarters: Capo Beach, CA, USA · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  96. Stand with Cuyama Valley

    EIN 331346360 · Headquarters: NEWBURY, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  97. Standing Tree Nature School

    EIN 262023837 · Headquarters: Santa Cruz, CA, US · Environment · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  98. Stanford Habitat Conservation Board

    EIN 461882243 · Headquarters: Redwood City, CA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  99. Stanislaus Co Audubon Soc Inc

    EIN 942675613 · Headquarters: Modesto, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  100. Stanislaus Wilderness Volunteers

    EIN 421586210 · Headquarters: Pinecrest, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

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