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. Friend O Garden Club

    EIN 320487109 · Headquarters: TEMPLE CITY, CA, US · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  2. Friends 4 Picacho

    EIN 461210724 · Headquarters: San Diego, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  3. Friends Artists And Neighbors of Elkhorn Slough

    EIN 853107242 · Headquarters: Royal Oaks, CA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  4. Friends Foundation International

    EIN 680258367 · Headquarters: Berkeley, CA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  5. Friends of 38 North

    EIN 824686672 · Headquarters: Bodega Bay, CA, US · Environment · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  6. Friends of Air Earth and Water Inc

    EIN 854146353 · Headquarters: Gardena, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  7. Friends of Alta Plaza Park

    EIN 392895369 · Headquarters: san francisco, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  8. Friends of Amazon Healing Inc

    EIN 990672766 · Headquarters: Westchester, CA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  9. Friends of Atascadero Lake

    EIN 464145246 · Headquarters: Atascadero, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  10. Friends of Auburn Ravine

    EIN 813010961 · Headquarters: Lincoln, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  11. Friends of Bakuriani Alpine Botanical Garden

    EIN 203837842 · Headquarters: Point Arena, CA, US · Environment · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  12. Friends of Baldwin Hills Inc

    EIN 912168398 · Headquarters: Los Angeles, CA, US · Environment · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  13. Friends of Banner Mountain

    EIN 680027620 · Headquarters: nevada city, CA, US · Environment · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  14. Friends of Bellweather

    EIN 991026812 · Headquarters: Petaluma, CA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  15. Friends of Big Morongo Canyon Preserve

    EIN 931168833 · Headquarters: MORONGO VALLEY, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  16. Friends of Bodie Railway Lumber Co Inc

    EIN 311546101 · Headquarters: LeeVining, CA, US · Environment · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  17. Friends of Boggs Mountain

    EIN 562309457 · Headquarters: COBB, CA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  18. Friends of Canada De Los Osos

    EIN 463881345 · Headquarters: GILROY, CA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  19. Friends of Carmel Forest

    EIN 770252672 · Headquarters: CARMEL, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  20. Friends of Caroline Park

    EIN 814192388 · Headquarters: REDLANDS, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  21. Friends of Channel Coast State Park Channel Coast Natural History Assoc

    EIN 770003881 · Headquarters: VENTURA, CA, USA · Environment · Latest available filing year: 2015 · Primary form: IRS Form 990-EZ

  22. Friends of Clearlake Inc

    EIN 680396853 · Headquarters: LUCERNE, CA, US · Environment · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  23. Friends of Coal Oil Point Reserve

    EIN 432035658 · Headquarters: Goleta, CA, US · Environment · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  24. Friends of Cobb Mountain

    EIN 237440872 · Headquarters: Cobb, CA, US · Environment · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  25. Friends of Colorado Lagoon

    EIN 330968096 · Headquarters: LONG BEACH, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  26. Friends of Corte Madera Creek Watershed

    EIN 680365270 · Headquarters: LARKSPUR, CA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  27. Friends of Cow Creek Preserve

    EIN 562666224 · Headquarters: Whitmore, CA, US · Environment · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  28. Friends of Del Norte Conservation Council

    EIN 201790801 · Headquarters: Crescent City, CA, US · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  29. Friends of Eco Divers Reef Foundation

    EIN 853162001 · Headquarters: Rescue, CA, US · Environment · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  30. Friends of Edgewood

    EIN 943188191 · Headquarters: Redwood City, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  31. Friends of El Mirage Co Frederick T Whitney Sr

    EIN 954762400 · Headquarters: CALIFORNIA CITY, CA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  32. Friends of Enchanted Meadow

    EIN 481256179 · Headquarters: Little River, CA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  33. Friends of Fish and Game

    EIN 813221906 · Headquarters: Marysville, CA, US · Environment · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  34. Friends of Fordyce

    EIN 261891251 · Headquarters: San Jose, CA, US · Environment · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  35. Friends of Friendship Park

    EIN 365049332 · Headquarters: Rancho Palos Verdes, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  36. Friends of Gaviotas

    EIN 421563827 · Headquarters: Berkeley, CA, US · Environment · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  37. Friends of Gibson Ranch

    EIN 320336712 · Headquarters: Rio Linda, CA, US · Environment · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  38. Friends of Goodan Ranch and Sycamore Canyon Open Space

    EIN 330864203 · Headquarters: Poway, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  39. Friends of Griffith Park

    EIN 900635056 · Headquarters: LOS ANGELES, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  40. Friends of Gualala River

    EIN 834233346 · Headquarters: Gualala, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  41. Friends of Harbors Beaches and Parks Inc

    EIN 330776377 · Headquarters: Newport Beach, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  42. Friends of Hart Memorial Park

    EIN 831537266 · Headquarters: BAKERSFIELD, CA, USA · Environment · Latest available filing year: 2019 · Primary form: IRS Form 990-EZ

  43. Friends of Hellhole Canyon Open Space Preserve

    EIN 330925993 · Headquarters: Valley Center, CA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  44. Friends of Hidden Lake

    EIN 994234206 · Headquarters: Placerville, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  45. Friends of Hidden Valley Nature Center

    EIN 452460026 · Headquarters: Corona, CA, US · Environment · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  46. Friends of Hope Valley

    EIN 943039736 · Headquarters: Markleeville, CA, US · Environment · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  47. Friends of Huddart & Wunderlich Parks

    EIN 030465880 · Headquarters: WOODSIDE, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  48. Friends of Independence Lake Inc

    EIN 462018630 · Headquarters: Loyalton, CA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  49. Friends of Jawbone Canyon Co Frederick T Whitney Sr

    EIN 770450674 · Headquarters: CALIFORNIA CITY, CA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  50. Friends of Jesse Morrow Mountain

    EIN 262989090 · Headquarters: Reedley, CA, US · Environment · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  51. Friends of Johnson Valley Inc

    EIN 364643241 · Headquarters: Borrego Springs, CA, US · Environment · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  52. Friends of Juniper Flats Inc

    EIN 270081411 · Headquarters: Apple Valley, CA, US · Environment · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  53. Friends of Lake Hodges

    EIN 882862790 · Headquarters: ESCONDIDO, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  54. Friends of Lake Sonoma

    EIN 942260679 · Headquarters: GEYSERVILLE, CA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  55. Friends of Lassen Forest

    EIN 262945079 · Headquarters: Nicasio, CA, US · Environment · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  56. Friends of Litter4tokens

    EIN 873653451 · Headquarters: CARLSBAD, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  57. Friends of Live Oak Canyon

    EIN 384205795 · Headquarters: Redlands, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  58. Friends of Los Alamitos Watershed

    EIN 364593321 · Headquarters: San Jose, CA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  59. Friends of Los Penasquitos Canyon Preserve Inc

    EIN 330068571 · Headquarters: SAN DIEGO, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  60. Friends of Marsh Creek Watershed

    EIN 263772965 · Headquarters: BRENTWOOD, CA, US · Environment · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  61. Friends of Martial Cottle Park

    EIN 831055927 · Headquarters: San Jose, CA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  62. Friends of Mary Lake

    EIN 812565584 · Headquarters: Redding, CA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  63. Friends of Mission Canyon Inc

    EIN 753241600 · Headquarters: SANTA BARBARA, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  64. Friends of Mission Trail Nature Preserve

    EIN 900937243 · Headquarters: Carmel, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  65. Friends of Morro Elementary

    EIN 334879935 · Headquarters: MORRO BAY, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  66. Friends of Mountain View Parks

    EIN 862654735 · Headquarters: Mountain View, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  67. Friends of Muscle Beach

    EIN 460602163 · Headquarters: SANTA MONICA, CA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  68. Friends of Nelder Grove Inc

    EIN 272916087 · Headquarters: Clovis, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  69. Friends of North Sonoma Fns

    EIN 863607876 · Headquarters: Sonoma, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  70. Friends of Opal Cliffs Park

    EIN 813740125 · Headquarters: Santa Cruz, CA, US · Environment · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  71. Friends of Open Space and Vineyards

    EIN 942931912 · Headquarters: Livermore, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  72. Friends of Orinda Creeks

    EIN 900666255 · Headquarters: Orinda, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  73. Friends of Pajaro Dunes

    EIN 770558436 · Headquarters: WATSONVILLE, CA, US · Environment · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  74. Friends of Palm Springs Mountains

    EIN 522452863 · Headquarters: Palm Springs, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  75. Friends of Pinecrest

    EIN 263664814 · Headquarters: STRAWBERRY, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  76. Friends of Piute Ponds

    EIN 465256161 · Headquarters: TEHACHAPI, CA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  77. Friends of Plumas Wilderness

    EIN 680239283 · Headquarters: QUINCY, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  78. Friends of Point Arena-stornetta Lands

    EIN 815110186 · Headquarters: Point Arena, CA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  79. Friends of Quail Hollow

    EIN 472176989 · Headquarters: Ben Lomond, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  80. Friends of Rana Creek Ranch Inc

    EIN 812938841 · Headquarters: Carmel, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  81. Friends of Regional Parks of San Bernardino County

    EIN 510176065 · Headquarters: Victorville, CA, US · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  82. Friends of Rio Nido

    EIN 452587913 · Headquarters: Rio Nido, CA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  83. Friends of Riversides Hills

    EIN 262292471 · Headquarters: RIVERSIDE, CA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  84. Friends of Robinson Gardens Inc

    EIN 953797323 · Headquarters: BEVERLY HILLS, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  85. Friends of Rose Canyon

    EIN 651227043 · Headquarters: San Diego, CA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  86. Friends of Runyon Canyon Foundation

    EIN 465011688 · Headquarters: West Hollywood, CA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  87. Friends of San Bruno Mountain

    EIN 943325382 · Headquarters: Daly City, CA, US · Environment · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  88. Friends of San Diego Wildlife Refuges

    EIN 330884813 · Headquarters: Imperial Beach, CA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  89. Friends of San Joaquin River Gorge

    EIN 811005953 · Headquarters: Auberry, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  90. Friends of San Jose Beautiful

    EIN 770361494 · Headquarters: San Jose, CA, US · Environment · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  91. Friends of San Lorenzo Creek

    EIN 431988292 · Headquarters: Castro Valley, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  92. Friends of San Luis Obispo Botanical Garden

    EIN 770248682 · Headquarters: SAN LUIS OBISPO, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  93. Friends of Sand Dune Park

    EIN 921287817 · Headquarters: Manhattan Beach, CA, US · Environment · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  94. Friends of Sausal Creek

    EIN 912147216 · Headquarters: OAKLAND, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  95. Friends of Seaside Parks Association

    EIN 301431201 · Headquarters: SEASIDE, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  96. Friends of Shipley Nature Center

    EIN 680517856 · Headquarters: HUNTINGTON BEACH, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  97. Friends of Silver Lake

    EIN 923052082 · Headquarters: Porterville, CA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  98. Friends of Sleepy Valley Inc

    EIN 264728446 · Headquarters: Playa Vista, CA, US · Environment · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  99. Friends of Sonny Bono Salton Sea Na Tional Wildlife Refuge

    EIN 394136877 · Headquarters: Imperial, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  100. Friends of Squaw Creek Inc

    EIN 453184898 · Headquarters: Olympic Valley, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

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