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. California Lives

    EIN 473300954 · Headquarters: Solana Beach, CA, US · Environment · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  2. California Lobster & Trap Fishermens Association

    EIN 934094454 · Headquarters: SANTA BARBARA, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  3. California Local Conservation Corps Foundation

    EIN 932535283 · Headquarters: LOS ANGELES, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  4. California Local Energy-advancing Renewables

    EIN 262974173 · Headquarters: San Diego, CA, US · Environment · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  5. California Marine Affairs and Navigation Conference

    EIN 237297154 · Headquarters: CASTRO VALLEY, CA, USA · Environment · Latest available filing year: 2014 · Primary form: IRS Form 990

  6. California Native Garden Foundation

    EIN 721562616 · Headquarters: San Jose, CA, USA · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990

  7. California Native Grass Association

    EIN 680239825 · Headquarters: DAVIS, CA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  8. California Native Horticultural Foundation

    EIN 333129477 · Headquarters: SAN JUAN CAPISTRANO, CA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  9. California Native Plant Society

    EIN 946116403 · Headquarters: Sacramento, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  10. California Natural Resource Foundation

    EIN 680041621 · Headquarters: Atwater, CA, US · Environment · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  11. California Ocean Science Trust

    EIN 651261006 · Headquarters: Sacramento, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  12. California Open Lands

    EIN 202142754 · Headquarters: CHICO, CA, USA · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990

  13. California Outdoors Hall of Fame

    EIN 922230802 · Headquarters: El Dorado Hills, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  14. California Pines Community Land Trust

    EIN 813718643 · Headquarters: aLTURAS, CA, US · Environment · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  15. California Planning Roundtable Foundation

    EIN 943340234 · Headquarters: Petaluma, CA, US · Environment · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  16. California Power Exchange Corporation

    EIN 954640368 · Headquarters: Woodland Hills, CA, USA · Environment · Latest available filing year: 2022 · Primary form: IRS Form 990

  17. California Rangeland Conservation Coalition

    EIN 821588684 · Headquarters: Livermore, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  18. California ReLeaf

    EIN 900138904 · Headquarters: Sacramento, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  19. California Resource Connection Inc

    EIN 202890317 · Headquarters: Riverside, CA, USA · Environment · Latest available filing year: 2018 · Primary form: IRS Form 990-EZ

  20. California Resource Management Institute

    EIN 680422611 · Headquarters: Sacramento, CA, US · Environment · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  21. California Resource Recovery Association

    EIN 237197715 · Headquarters: West Sacramento, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  22. California River Watch

    EIN 680392889 · Headquarters: SEBASTOPOL, CA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  23. California Rural Water Association

    EIN 680224404 · Headquarters: SACRAMENTO, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  24. California Save Our Streams Council

    EIN 942848570 · Headquarters: Clovis, CA, US · Environment · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  25. California Seaweed Festival

    EIN 920986805 · Headquarters: Valencia, CA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  26. California Ships to Reefs

    EIN 205733017 · Headquarters: Wheatland, CA, US · Environment · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  27. California Sierra Nevada Judging Center

    EIN 204055723 · Headquarters: Napa, CA, US · Environment · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  28. California Society for Ecological Restoration

    EIN 770544536 · Headquarters: Sacramento, CA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  29. California Society of American Foresters

    EIN 237389577 · Headquarters: ACTON, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  30. California Society of Environmental Analysts

    EIN 842283710 · Headquarters: Lower Lake, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  31. California Society of Professional Engineers

    EIN 942376652 · Headquarters: Sacramento, CA, US · Environment · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  32. California Sportfishing Protection Allia

    EIN 680004105 · Headquarters: Groveland, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  33. California State Parks Peace Officer Management Association

    EIN 272217363 · Headquarters: SACRAMENTO, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  34. California Stormwater Quality Associatio

    EIN 550797265 · Headquarters: REDONDO BEACH, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  35. California Sustainability Group

    EIN 884378420 · Headquarters: San Clemente, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  36. California Trails Conference Foundation

    EIN 680343597 · Headquarters: SACRAMENTO, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  37. California Trails Foundation

    EIN 881387346 · Headquarters: Forestville, CA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  38. California Tree Farm Committee

    EIN 943272196 · Headquarters: Oak Run, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  39. California Turfgrass and Landscape Foundation

    EIN 452709093 · Headquarters: Manhattan Beach, CA, USA · Environment · Latest available filing year: 2017 · Primary form: IRS Form 990

  40. California Urban Beautification Society

    EIN 993537082 · Headquarters: Westlake Village, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  41. California Urban Forests Council

    EIN 953565481 · Headquarters: Laguna Beach, CA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  42. California Urban Streams Alliance-the Stream Team

    EIN 273718947 · Headquarters: Chico, CA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  43. California Urban Water Agencies

    EIN 680218747 · Headquarters: WALNUT CREEK, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  44. California Water Alliance

    EIN 270707892 · Headquarters: FRESNO, CA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  45. California Water and Environmental Modeling Forum

    EIN 680474890 · Headquarters: Lafayette, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  46. California Water Awareness Campaign

    EIN 043841250 · Headquarters: SACRAMENTO, CA, USA · Environment · Latest available filing year: 2014 · Primary form: IRS Form 990-EZ

  47. California Water Cycle

    EIN 474719315 · Headquarters: Angwin, CA, US · Environment · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  48. California Water Efficiency Partnership

    EIN 680318069 · Headquarters: SACRAMENTO, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  49. California Water Environment Association

    EIN 952368216 · Headquarters: Oakland, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  50. California Waterfowl Association

    EIN 941149574 · Headquarters: ROSEVILLE, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  51. California Watershed Network

    EIN 731692859 · Headquarters: Sacramento, CA, US · Environment · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  52. California Wetlands Research

    EIN 810578329 · Headquarters: Manhattan Beach, CA, US · Environment · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  53. California Women in Energy

    EIN 472805336 · Headquarters: Sacramento, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  54. Californiacreativecenter Inc

    EIN 352692074 · Headquarters: Los Angeles, CA, US · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  55. Californians Against Waste Foundation

    EIN 680032326 · Headquarters: Sacramento, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  56. Californians for Alternatives to Toxic Sprays

    EIN 680003741 · Headquarters: Arcata, CA, US · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  57. Californians for Clean Alternative Energy

    EIN 342059538 · Headquarters: YREKA, CA, USA · Environment · Latest available filing year: 2010 · Primary form: IRS Form 990-EZ

  58. Californians for Energy Independence

    EIN 465063010 · Headquarters: San Rafael, CA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  59. Californians for Offshore Wind

    EIN 331545187 · Headquarters: SAN FRANCISCO, CA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  60. Californians for Property Rights

    EIN 412127048 · Headquarters: La Honda, CA, US · Environment · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  61. Californians for Safe Drinking Water and Wildfire Prevention

    EIN 994186021 · Headquarters: SACRAMENTO, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  62. Californians for Water Security

    EIN 472097929 · Headquarters: SACRAMENTO, CA, USA · Environment · Latest available filing year: 2017 · Primary form: IRS Form 990-EZ

  63. Californians for Zero-emission Vehicles Calzev

    EIN 825041532 · Headquarters: Burlingame, CA, US · Environment · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  64. Calistoga Community Garden Inc

    EIN 134273908 · Headquarters: Calistoga, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  65. CalSafe Research Center

    EIN 844419173 · Headquarters: NEWPORT BEACH, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  66. Camarillo Community Gardens

    EIN 943481937 · Headquarters: Camarillo, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  67. Camarillo Sustainable Growth Inc

    EIN 273143926 · Headquarters: Camarillo, CA, US · Environment · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  68. Cambria Forest Committee

    EIN 200294294 · Headquarters: Cambria, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  69. Cambria Land Conservancy

    EIN 330772209 · Headquarters: Cambria, CA, US · Environment · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  70. Camellia Network

    EIN 460688302 · Headquarters: SACRAMENTO, CA, USA · Environment · Latest available filing year: 2015 · Primary form: IRS Form 990

  71. Camellia Society of Sacramento

    EIN 942629529 · Headquarters: Carmichael, CA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  72. Camino De Sonoma

    EIN 842766045 · Headquarters: Santa Rosa, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  73. Camp Cleanup

    EIN 333719696 · Headquarters: Escalon, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  74. Cannabis for Conservation

    EIN 824519087 · Headquarters: ARCATA, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  75. Canopy

    EIN 010565752 · Headquarters: Palo Alto, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  76. Canos House of Recycling

    EIN 933092457 · Headquarters: modesto, CA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  77. Cans4books

    EIN 932290345 · Headquarters: SAN DIEGO, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  78. Canyon Adventures

    EIN 472102773 · Headquarters: Sunland, CA, US · Environment · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  79. Canyon Back Alliance

    EIN 204016499 · Headquarters: Los Angeles, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  80. Canyon Crest Conservancy

    EIN 812360776 · Headquarters: Altadena, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  81. Canyon Irrigation Company

    EIN 770454946 · Headquarters: SANTA PAULA, CA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  82. Canyon Lake Community Gardeners

    EIN 882076453 · Headquarters: Riverside, CA, US · Environment · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  83. Canyon Land Conservation Fund

    EIN 743112974 · Headquarters: Philo, CA, US · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  84. Capital City Bonsai Association

    EIN 680441188 · Headquarters: Fair Oaks, CA, US · Environment · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  85. Capo Cares

    EIN 821519324 · Headquarters: San Clemente, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  86. Carbon Institute

    EIN 204433111 · Headquarters: SAN DIEGO, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  87. Carbon Lighthouse Association

    EIN 273496383 · Headquarters: El Cerrito, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  88. Carbon Mapper

    EIN 853149996 · Headquarters: Pasadena, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  89. Carbon Offsets To Alleviate Poverty

    EIN 274220630 · Headquarters: Walnut Creek, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  90. CarbonPlan

    EIN 844378880 · Headquarters: San Francisco, CA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  91. Carbontree Conservation Fund

    EIN 263267590 · Headquarters: Santa Cruz, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  92. Cardiff-by-the-sea Foundation

    EIN 812701462 · Headquarters: Cardiff, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  93. Care for Catalina

    EIN 994725595 · Headquarters: AVALON, CA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  94. Care for Our Common Home Foundation

    EIN 862868869 · Headquarters: San Jose, CA, US · Environment · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  95. Carfree City USA

    EIN 753130784 · Headquarters: Berkeley, CA, US · Environment · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  96. Caribbean Lion Fish Coalition

    EIN 821092030 · Headquarters: Quincy, CA, US · Environment · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  97. Caris Cares Inc

    EIN 883632096 · Headquarters: MERCED, CA, US · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  98. Carmel Point and Lagoon Preservation Association

    EIN 203491449 · Headquarters: San Rafael, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  99. Carmel River Steelhead Association

    EIN 770093979 · Headquarters: Monterey, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  100. Carmel River Watershed Conservancy

    EIN 770548869 · Headquarters: CARMEL, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

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