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. Los Cerritos Wetlands Fund

    EIN 841876735 · Headquarters: Long Beach, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  2. Los Cerritos Wetlands Land Trust

    EIN 330974992 · Headquarters: Long Beach, CA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  3. Los Cerritos Wetlands Stewardship Inc Co Leonard A Arkinstall

    EIN 954804390 · Headquarters: Long Beach, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  4. Los Encinos Docent Association

    EIN 953797624 · Headquarters: ENCINO, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  5. Los Osos Natural Environment Association Inc

    EIN 811589098 · Headquarters: Los Osos, CA, US · Environment · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  6. Los Osos Sustainability Group

    EIN 301451258 · Headquarters: Los Osos, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  7. Los Padres Forestwatch Inc

    EIN 201531390 · Headquarters: SANTA BARBARA, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  8. Los Padres Trail Stewards Corp

    EIN 874707842 · Headquarters: Ojai, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  9. Los Penasquitos Lagoon Foundation

    EIN 330023709 · Headquarters: CARDIFF BY THE SEA, CA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  10. Lost & Found Rebound

    EIN 994823006 · Headquarters: Venice, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  11. Lost Restored Kept

    EIN 992082208 · Headquarters: Livermore, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  12. Lost Sierra Foundation of California

    EIN 844169192 · Headquarters: Graeagle, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  13. Lottoclimate

    EIN 822285092 · Headquarters: Stockton, CA, US · Environment · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  14. Love & Power Institute

    EIN 332803496 · Headquarters: SANTA CRUZ, CA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  15. Love Beauty Love Earth

    EIN 883052930 · Headquarters: Irvine, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  16. Love Cycle

    EIN 851717860 · Headquarters: Lucerne, CA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  17. Love Our Planet

    EIN 461688625 · Headquarters: Irvine, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  18. Love Recycle

    EIN 991820546 · Headquarters: San Diego, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  19. Lovetheearth

    EIN 993228393 · Headquarters: LOS ANGELES, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  20. Loving Earth Every Day Inc

    EIN 990563203 · Headquarters: Los Angeles, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  21. Lowelifes Respectable Citizens Club

    EIN 842310121 · Headquarters: GLENDALE, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  22. Lower Cottonwood Slough Preserve

    EIN 680535360 · Headquarters: woodland, CA, US · Environment · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  23. Lsw Foundation

    EIN 474072403 · Headquarters: ANAHEIM, CA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  24. Lucerne Flow

    EIN 141976510 · Headquarters: Lucerne, CA, US · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  25. Lumbercycle

    EIN 813731386 · Headquarters: San Diego, CA, USA · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  26. Luther Burbank District Inc of California Garden Clubs Inc

    EIN 680048047 · Headquarters: Petaluma, CA, US · Environment · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  27. Luther Burbank Home & Garden Assoc

    EIN 263008405 · Headquarters: SANTA ROSA, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  28. M A G-24

    EIN 311360952 · Headquarters: Bakersfield, CA, US · Environment · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  29. Madeleine Sone Wildlife Preserve

    EIN 462505344 · Headquarters: Cotati, CA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  30. Madrone Audubon Society

    EIN 946172986 · Headquarters: Santa Rosa, CA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  31. Magalia Beautification Association

    EIN 911822099 · Headquarters: MAGALIA, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  32. Magic Incorporated

    EIN 942638200 · Headquarters: Stanford, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  33. Maidu Summit Consortium

    EIN 271129385 · Headquarters: CHESTER, CA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  34. Make Art for a Change

    EIN 852378147 · Headquarters: Glendale, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  35. Make Uc a Good Neighbor

    EIN 842240693 · Headquarters: Berkeley, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  36. Making of the Future

    EIN 820689378 · Headquarters: San Francisco, CA, US · Environment · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  37. Making Spirits Bright Foundation

    EIN 830833308 · Headquarters: SKYFOREST, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  38. Malaga Cove Plaza Beautification Project

    EIN 330504354 · Headquarters: Palos Verdes Estates, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  39. Malibu Creek Docents

    EIN 954613602 · Headquarters: Calabasas, CA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  40. Malibu Garden Club Inc Erickson

    EIN 953126835 · Headquarters: Ojai, CA, US · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  41. Malibu Orchid Society Inc

    EIN 237137001 · Headquarters: Pacific Palisades, CA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  42. Malibu Trails Association Inc

    EIN 954310803 · Headquarters: Malibu, CA, US · Environment · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  43. Mama Bears

    EIN 883362161 · Headquarters: Sacramento, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  44. Mammoth Lakes Recreation

    EIN 471070284 · Headquarters: MAMMOTH LAKES, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  45. Mana Ile

    EIN 933993691 · Headquarters: Berkeley, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  46. Mandeville Foundation

    EIN 201142667 · Headquarters: SANTA MONICA, CA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  47. Manhattan Beach Botanical Garden

    EIN 954623824 · Headquarters: Manhattan Beach, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  48. Manifest Garden Foundation

    EIN 474517541 · Headquarters: Tujunga, CA, US · Environment · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  49. Manteca Garden Club Inc

    EIN 371654760 · Headquarters: Manteca, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  50. Maono Conservation Media

    EIN 871137741 · Headquarters: Palo Alto, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  51. Mar Vista Landkeepers Preservation

    EIN 450516194 · Headquarters: Los Angeles, CA, USA · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  52. Marian Eucharistic Missionary Sisters of the Poor

    EIN 990840644 · Headquarters: TARZANA, CA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  53. Marigold Farms Inc

    EIN 842954987 · Headquarters: Frazier Park, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  54. Marin Art and Garden Center

    EIN 941085734 · Headquarters: Ross, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  55. Marin Audubon Society

    EIN 946076664 · Headquarters: MILL VALLEY, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  56. Marin Backyard Habitats Inc

    EIN 392871228 · Headquarters: WOODACRE, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  57. Marin Citizens for Energy Planning

    EIN 942391939 · Headquarters: SAN RAFAEL, CA, US · Environment · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  58. Marin Conservation League

    EIN 946089780 · Headquarters: SAN RAFAEL, CA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  59. Marin Garden Club

    EIN 815183668 · Headquarters: ROSS, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  60. Marin Made

    EIN 813979843 · Headquarters: SAUSALITO, CA, USA · Environment · Latest available filing year: 2022 · Primary form: IRS Form 990-PF

  61. Marin Open Space Trust

    EIN 262460667 · Headquarters: SAN RAFAEL, CA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  62. Marin Orchid Society

    EIN 461508809 · Headquarters: San Anselmo, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  63. Marine and Environmental Education

    EIN 911829208 · Headquarters: La Mesa, CA, US · Environment · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  64. Marine Mammal Conservation Through The

    EIN 203983797 · Headquarters: CARMEL, CA, USA · Environment · Latest available filing year: 2012 · Primary form: IRS Form 990-EZ

  65. Marine Protected Area Collaborative Network

    EIN 931681953 · Headquarters: SAN JUAN CAPISTRANO, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  66. Marine Watch International

    EIN 753063075 · Headquarters: SAN FRANCISCO, CA, US · Environment · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  67. Marine Watchdogs

    EIN 920868057 · Headquarters: Santa Barbara, CA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  68. Mariners Impact

    EIN 204941375 · Headquarters: Irvine, CA, US · Environment · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  69. Marinwatch

    EIN 943387649 · Headquarters: San Francisco, CA, US · Environment · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  70. Mariposa Biomass Project

    EIN 472489182 · Headquarters: Mariposa, CA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  71. Mariposa Butterfly Festival Inc

    EIN 852475621 · Headquarters: Mariposa, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  72. Mariposa Trails

    EIN 851241296 · Headquarters: Mariposa, CA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  73. Mariposans for the Enviroment and Responsible Government

    EIN 770245942 · Headquarters: Mariposa, CA, US · Environment · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  74. Mariposans for the Environment and Responible Government

    EIN 950095053 · Headquarters: Mariposa, CA, US · Environment · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  75. Mariposas Without Borders

    EIN 873574706 · Headquarters: San Francisco, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  76. Marisol Inc

    EIN 270203490 · Headquarters: Burbank, CA, US · Environment · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  77. Marshall Conservation Preserve

    EIN 874659819 · Headquarters: GARBERVILLE, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  78. Martina Jecker Amir Eshel

    EIN 863577069 · Headquarters: Stanford, CA, USA · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-PF

  79. Mary Lou Heard Foundation

    EIN 261276857 · Headquarters: Huntington Beach, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  80. Masami Institute

    EIN 850568142 · Headquarters: PALM SPRINGS, CA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  81. Master Gardener Association of Fresno County

    EIN 770433938 · Headquarters: Fresno, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  82. Mateel Environmental Justice Foundation

    EIN 680373354 · Headquarters: Arcata, CA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  83. Material Innovation Institute

    EIN 843847333 · Headquarters: NAPA, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  84. Matson Mowder Howe Community Garden

    EIN 392081259 · Headquarters: REDDING, CA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  85. Mattole Outdoorsmen and Conservationists

    EIN 862550392 · Headquarters: Petrolia, CA, US · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  86. Mattole Restoration Council

    EIN 680037149 · Headquarters: PETROLIA, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  87. Mattole Watershed Taxpayers Association

    EIN 942597449 · Headquarters: Redway, CA, US · Environment · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  88. Mavericks Wave Tribes United

    EIN 853150078 · Headquarters: Pacifica, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  89. Maxwell Power Corporation

    EIN 462731212 · Headquarters: Pleasant Hill, CA, US · Environment · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  90. Mccloud Building & Land Preservation Association

    EIN 270104164 · Headquarters: McCloud, CA, US · Environment · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  91. Mccloud Garden Club

    EIN 270861096 · Headquarters: McCloud, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  92. McCloud River Coordinated Resource Management Group Inc

    EIN 943170037 · Headquarters: San Francisco, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  93. Mccloud Watershed Council

    EIN 203224904 · Headquarters: McCloud, CA, US · Environment · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  94. Mccormick Sanctuary Inc

    EIN 680457253 · Headquarters: ANGWIN, CA, USA · Environment · Latest available filing year: 2011 · Primary form: IRS Form 990-EZ

  95. Mckinley Elvas Meighorhood Alliance

    EIN 680363514 · Headquarters: Sacramento, CA, US · Environment · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  96. Mckinleyville Land Trust

    EIN 680338201 · Headquarters: McKinleyville, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  97. Meador Foundation

    EIN 872490891 · Headquarters: Orange, CA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  98. Meadow Vista Protection

    EIN 342036218 · Headquarters: Meadow Vista, CA, US · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  99. Meadowlark Land Trust

    EIN 330620336 · Headquarters: Moreno Valley, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  100. Medicine Hill

    EIN 394269855 · Headquarters: Los Angeles, CA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

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