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. Friends of Squaw Valley

    EIN 463265536 · Headquarters: Olympic Valley, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  2. Friends of Stone Lakes National Wildlife

    EIN 680350495 · Headquarters: Elk Grove, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  3. Friends of Sunset Cliff

    EIN 330864245 · Headquarters: san diego, CA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  4. Friends of Sunset Dunes Fka Friends of Great Highway Park Inc

    EIN 881018003 · Headquarters: SAN FRANCISCO, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  5. Friends of Sutters Landing Park

    EIN 464928270 · Headquarters: Sacramento, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  6. Friends of Tarpy Flats

    EIN 393600322 · Headquarters: Seaside, CA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  7. Friends of the Ahwahnee Hills Park

    EIN 274399212 · Headquarters: Ahwahnee, CA, US · Environment · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  8. Friends of the Amargosa Basin

    EIN 852749230 · Headquarters: Shoshone, CA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  9. Friends of the Angeles Forest

    EIN 474940619 · Headquarters: La Verne, CA, USA · Environment · Latest available filing year: 2021 · Primary form: IRS Form 990-EZ

  10. Friends of the Arboretum

    EIN 237449672 · Headquarters: Fullerton, CA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  11. Friends of the Arcata Marsh

    EIN 680232871 · Headquarters: Arcata, CA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  12. Friends of the Arrowhead Inc

    EIN 330239207 · Headquarters: RIVERSIDE, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  13. Friends of the Australian Bush Heritage Fund

    EIN 270671965 · Headquarters: Santa Cruz, CA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  14. Friends of the Bernard Biological Field Station

    EIN 954753441 · Headquarters: Claremont, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  15. Friends of the Buena Vista Reservoir Park Inc

    EIN 471882981 · Headquarters: Carlsbad, CA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  16. Friends of the Central Valley

    EIN 870732989 · Headquarters: Modesto, CA, US · Environment · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  17. Friends of the Cosumnes River Preserve

    EIN 384337826 · Headquarters: Galt, CA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  18. Friends of the Creeks

    EIN 680347397 · Headquarters: Walnut Creek, CA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  19. FRIENDS OF THE DALEY RANCH The Friends of Daley Ranch

    EIN 330775291 · Headquarters: Escondido, CA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  20. Friends of the Dana Point Headlands

    EIN 475574417 · Headquarters: Laguna Niguel, CA, US · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  21. Friends of the Dunes

    EIN 680373871 · Headquarters: ARCATA, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  22. Friends of the Eel River

    EIN 680423026 · Headquarters: ARCATA, CA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  23. Friends of the Ellwood Coast

    EIN 770543873 · Headquarters: Goleta, CA, US · Environment · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  24. Friends of the Equestrian Bridge

    EIN 934823536 · Headquarters: BURBANK, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  25. Friends of the Fountain and Walk

    EIN 943190897 · Headquarters: BERKELEY, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  26. Friends of the Hidden Forest

    EIN 884412760 · Headquarters: Santa Rosa, CA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  27. Friends of the High Lakes

    EIN 260896788 · Headquarters: Paradise, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  28. Friends of the Inyo

    EIN 770389436 · Headquarters: Bishop, CA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  29. Friends of the Los Angeles River

    EIN 954171497 · Headquarters: LOS ANGELES, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  30. Friends of the Lost Coast

    EIN 943328402 · Headquarters: Whitethorn, CA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  31. Friends of the Mark West Watershed

    EIN 812838263 · Headquarters: Santa Rosa, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  32. Friends of the Mendocino Coast Botanical Gardens

    EIN 680420546 · Headquarters: Fort Bragg, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  33. Friends of the Mexican Fund for the Conservation of Nature

    EIN 204870225 · Headquarters: SAN DIEGO, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  34. Friends of the Mission Greenway

    EIN 921157795 · Headquarters: San Francisco, CA, US · Environment · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  35. Friends of the Mission Valley Preserve

    EIN 330844751 · Headquarters: San Diego, CA, US · Environment · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  36. Friends of the Mountain Inc

    EIN 020760144 · Headquarters: Rim Forest, CA, US · Environment · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  37. Friends of the Napa River

    EIN 943207058 · Headquarters: NAPA, CA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  38. Friends of the Newport Coast

    EIN 953380631 · Headquarters: Corona Del Mar, CA, USA · Environment · Latest available filing year: 2011 · Primary form: IRS Form 990-EZ

  39. Friends of the North Coast

    EIN 364963297 · Headquarters: Santa Cruz, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  40. Friends of the North Fork

    EIN 680623079 · Headquarters: Lincoln, CA, US · Environment · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  41. Friends of the Northern San Jacinto Valley

    EIN 330554935 · Headquarters: Idyllwild, CA, US · Environment · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  42. Friends of the Noyo River Conservation Research Center

    EIN 920480617 · Headquarters: POTTER VALLEY, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  43. Friends of the Petaluma River

    EIN 943275198 · Headquarters: PETALUMA, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  44. Friends of the Ranchland

    EIN 770094153 · Headquarters: Cambria, CA, US · Environment · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  45. Friends of the Reef Inc

    EIN 300536874 · Headquarters: San Juan Capistrano, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  46. Friends of the San Dieguito River Valley

    EIN 330209371 · Headquarters: DEL MAR, CA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  47. Friends of the San Francisco Estuary

    EIN 680265026 · Headquarters: Oakland, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  48. Friends of the San Gabriels

    EIN 208571652 · Headquarters: Long Beach, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  49. Friends of the San Jacinto Valley Cemetery

    EIN 274025718 · Headquarters: San Jacinto, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  50. Friends of the San Leandro Environment

    EIN 680370579 · Headquarters: San Leandro, CA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  51. Friends of the Santa Clara Valley Habitat Agency

    EIN 821992215 · Headquarters: MORGAN HILL, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  52. Friends of the Santa Margarita River

    EIN 330032072 · Headquarters: fallbrook, CA, US · Environment · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  53. Friends of the Santa Monica Pier Carousel Inc

    EIN 953918630 · Headquarters: Encino, CA, US · Environment · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  54. Friends of the Shasta River

    EIN 384181190 · Headquarters: Yreka, CA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  55. Friends of the Urban Forest

    EIN 942699528 · Headquarters: San Francisco, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  56. Friends of the Wagner Ranch Nature Area

    EIN 300472974 · Headquarters: Orinda, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  57. Friends of the Water Conservation Garden

    EIN 204395919 · Headquarters: El Cajon, CA, USA · Environment · Latest available filing year: 2022 · Primary form: IRS Form 990

  58. Friends of the West Shore

    EIN 461356084 · Headquarters: Tahoe City, CA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  59. Friends of the Whittier Narrows Natural Area Inc

    EIN 260764371 · Headquarters: South El Monte, CA, US · Environment · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  60. Friends of Three Sisters Garden

    EIN 273979073 · Headquarters: Madera, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  61. Friends of Villa Grande

    EIN 640964108 · Headquarters: Villa Grande, CA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  62. Friends of Whispering Oaks Lake

    EIN 873734872 · Headquarters: CATHEYS VALLEY, CA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  63. Friends of Whittier Hills

    EIN 823885432 · Headquarters: WHITTIER, CA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  64. Friends of Willow Creek of Sausalito

    EIN 453709094 · Headquarters: Sausalito, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  65. Frog Creek Adventure School

    EIN 821541613 · Headquarters: REDONDO BEACH, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  66. From Lot to Spot Inc

    EIN 203359738 · Headquarters: Los Angeles, CA, US · Environment · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  67. From the Heart Tribe

    EIN 842922603 · Headquarters: Los Angeles, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  68. Fronterra Environmental Inc

    EIN 872389482 · Headquarters: Benicia, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  69. Frontier Fertilizer Superfund Oversight Group

    EIN 680342908 · Headquarters: Davis, CA, US · Environment · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  70. Frontline Catalysts

    EIN 863102192 · Headquarters: Oakland, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  71. Fullerton Arboretum Authority

    EIN 330082239 · Headquarters: FULLERTON, CA, USA · Environment · Latest available filing year: 2020 · Primary form: IRS Form 990

  72. Functional Magic

    EIN 881599202 · Headquarters: Los Angeles, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  73. Fund for Resource Conservation

    EIN 271742693 · Headquarters: Somis, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  74. Fund for Wild Nature

    EIN 870386717 · Headquarters: San Francisco, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  75. Future Earth Foundation Inc

    EIN 870929254 · Headquarters: BEVERLY HILLS, CA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  76. Future Starts Now Inc

    EIN 873924867 · Headquarters: Valley Springs, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  77. Gaia Mother Earth Foundation Inc

    EIN 830464689 · Headquarters: Palmdale, CA, US · Environment · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  78. Gaia Way

    EIN 201441886 · Headquarters: Lake Forest, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  79. Gaiachi

    EIN 208495545 · Headquarters: San Diego, CA, US · Environment · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  80. Galt Habitat Foundation

    EIN 383862280 · Headquarters: Galt, CA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  81. Game of Humanity

    EIN 993605446 · Headquarters: Santa Barbara, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  82. Garbage Reincarnation Inc

    EIN 237249182 · Headquarters: SANTA ROSA, CA, USA · Environment · Latest available filing year: 2015 · Primary form: IRS Form 990-EZ

  83. Garden Club

    EIN 844767569 · Headquarters: ROSEVILLE, CA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  84. Garden Club of Porterville

    EIN 842480392 · Headquarters: Terra Bella, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  85. Garden Club of Santa Barbara

    EIN 956076112 · Headquarters: SANTA BARBARA, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  86. Garden Club of St Francis Wood

    EIN 371620939 · Headquarters: SAN FRANCISCO, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  87. Garden Society of Marin

    EIN 237131202 · Headquarters: Ross, CA, US · Environment · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  88. Gardeners of the Grove

    EIN 261417494 · Headquarters: Elk Grove, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  89. Gardens Foundation

    EIN 934523828 · Headquarters: Newport Beach, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  90. Gardens4kids

    EIN 923287635 · Headquarters: Northridge, CA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  91. Garrapata Creek Watershed Council

    EIN 770571493 · Headquarters: Monterey, CA, US · Environment · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  92. Gary L Jackson Foundation

    EIN 943097413 · Headquarters: San Francisco, CA, US · Environment · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  93. Gates Cactus and Succulent Society

    EIN 731652686 · Headquarters: RIVERSIDE, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  94. Gateway Settlement Fund Alliance

    EIN 454130271 · Headquarters: Orinda, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  95. Gaviota Coast Conservancy

    EIN 770455133 · Headquarters: GOLETA, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  96. Gen Green

    EIN 463569228 · Headquarters: SAN DIEGO, CA, USA · Environment · Latest available filing year: 2015 · Primary form: IRS Form 990-EZ

  97. Generation Green

    EIN 731687451 · Headquarters: Moraga, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  98. Genesis Environmental

    EIN 822759333 · Headquarters: San Diego, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  99. Genesis Housing and Renewable Energy

    EIN 453163234 · Headquarters: chula vista, CA, US · Environment · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  100. Geothermal Education Office

    EIN 680234213 · Headquarters: Tiburon, CA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

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