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
- Shasta River Institute
EIN 882466901 · Headquarters: NOVATO, CA, USA · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990
- Shasta Tehama Watershed Education Coalition
EIN 201442329 · Headquarters: RED BLUFF, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Shasta Trinity Fly Fishers Inc
EIN 203343094 · Headquarters: REDDING, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Shasta Trinity Unit of Backcountry
EIN 872979633 · Headquarters: COTTONWOOD, CA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Shaver Lake Trophy Trout Project Inc
EIN 274537814 · Headquarters: SHAVER LAKE, CA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Shefa Lmv Inc
EIN 810907002 · Headquarters: Los Angeles, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Shelterwood Collective
EIN 853979419 · Headquarters: CAZADERO, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Sherman Foundation
EIN 952672431 · Headquarters: NEWPORT BEACH, CA, USA · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990
- Sherman Oaks Garden Club
EIN 900896686 · Headquarters: Chatsworth, CA, US · Environment · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- Shift Our Ways Collective
EIN 861749675 · Headquarters: ARLETA, CA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990
- Ships to Reefs Inc
EIN 201408194 · Headquarters: Wheatland, CA, US · Environment · Latest available filing year: 2010 · Primary form: IRS Form 990-N
- Shoreline Acres Inc
EIN 942472451 · Headquarters: Tomales, CA, USA · Environment · Latest available filing year: 2019 · Primary form: IRS Form 990
- Sierra Buttes Lakes Basin Coalition
EIN 680428990 · Headquarters: GRANITE BAY, CA, US · Environment · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- Sierra Buttes Trail Stewardship
EIN 721579038 · Headquarters: QUINCY, CA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990
- Sierra Club Foundation
EIN 946069890 · Headquarters: OAKLAND, CA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990
- Sierra County Fire Safe and Watershed Council Inc
EIN 204671752 · Headquarters: DOWNIEVILLE, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Sierra County Land Trust
EIN 205923109 · Headquarters: SIERRA CITY, CA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990
- Sierra Cpr
EIN 822195730 · Headquarters: Glencoe, CA, US · Environment · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- Sierra Economics and Science Foundation
EIN 770408400 · Headquarters: Nevada City, CA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Sierra Energy Reimagined
EIN 680475503 · Headquarters: Grass Valley, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Sierra Farmstead
EIN 141901515 · Headquarters: Greenville, CA, US · Environment · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- Sierra Foothill Conservancy
EIN 936301478 · Headquarters: Mariposa, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Sierra Green Building Association
EIN 043765988 · Headquarters: TRUCKEE, CA, USA · Environment · Latest available filing year: 2020 · Primary form: IRS Form 990-EZ
- Sierra Nature Notes
EIN 431962823 · Headquarters: Twain Harte, CA, US · Environment · Latest available filing year: 2014 · Primary form: IRS Form 990-N
- Sierra Nevada Alliance
EIN 770343881 · Headquarters: SOUTH LAKE TAHOE, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Sierra Rock Garden Society
EIN 200828112 · Headquarters: Sonora, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Sierra Streams Institute
EIN 680429132 · Headquarters: Nevada City, CA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990
- Sierra Summit Foundation
EIN 394721519 · Headquarters: Sacramento, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Sierra Tahoe Area Rubbish Removal
EIN 825029086 · Headquarters: South Lake Tahoe, CA, US · Environment · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- Sierra Tinkerbelles Garden Club
EIN 942523604 · Headquarters: Truckee, CA, US · Environment · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- Sierra Valley Legacy of Agriculture Foundation
EIN 455263490 · Headquarters: LOYALTON, CA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Sierra Vista National Scenic Byway Association Inc
EIN 770433239 · Headquarters: OAKHURST, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Sierra Viva Project Corporation
EIN 991183305 · Headquarters: Lafayette, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Sierra Watch
EIN 680483849 · Headquarters: NEVADA CITY, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Sierra Watershed Education Partnerships
EIN 911848359 · Headquarters: Tahoe City, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Sierrans for Responsible Resource Development
EIN 473824233 · Headquarters: Grass Valley, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Silicon Valley Environmental Partnership
EIN 770332856 · Headquarters: Los Altos, CA, US · Environment · Latest available filing year: 2011 · Primary form: IRS Form 990-N
- Silicon Valley Foundation for Better Environment
EIN 474491471 · Headquarters: MILPITAS, CA, US · Environment · Latest available filing year: 2017 · Primary form: IRS Form 990-N
- Silicon Valley Mountain Bikers
EIN 141931867 · Headquarters: Campbell, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Silicon Valley Seeds
EIN 814376840 · Headquarters: Santa Clara, CA, US · Environment · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- Silicon Valley Toxics Coalition
EIN 770097236 · Headquarters: San Francisco, CA, USA · Environment · Latest available filing year: 2013 · Primary form: IRS Form 990-EZ
- Silicon Valley Woodturners Inc
EIN 454528280 · Headquarters: San Jose, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Silicon Valley Youth Climate Action
EIN 274379516 · Headquarters: Cupertino, CA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990
- Silver Lake Forward
EIN 811227432 · Headquarters: Los Angeles, CA, US · Environment · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- Silver Lake Reservoirs Conservancy
EIN 954199639 · Headquarters: LOS ANGELES, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Silver Springs Homeowners Association
EIN 680277454 · Headquarters: SACRAMENTO, CA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Silverado Trail Wineries Association
EIN 680280931 · Headquarters: Napa, CA, US · Environment · Latest available filing year: 2017 · Primary form: IRS Form 990-N
- Simi at the Garden Inc
EIN 452624846 · Headquarters: SIMI VALLEY, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Simply Natural
EIN 873390908 · Headquarters: Boulevard, CA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Sinkable Co
EIN 862308998 · Headquarters: Claremont, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Siskiyou County Beekeepers Association
EIN 821554724 · Headquarters: Yreka, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Siskiyou Gardens Parks and Greenways Association
EIN 263547599 · Headquarters: Yreka, CA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Siskiyou Land Conservancy
EIN 721568115 · Headquarters: Arcata, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Siskiyous Klamath Interpretive Foundation
EIN 300096015 · Headquarters: Yreka, CA, US · Environment · Latest available filing year: 2016 · Primary form: IRS Form 990-N
- Six Rivers Field Institute
EIN 451500276 · Headquarters: Bayside, CA, US · Environment · Latest available filing year: 2014 · Primary form: IRS Form 990-N
- Six Rivers Initiative
EIN 843835246 · Headquarters: Ferndale, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Sjcog Inc
EIN 680453810 · Headquarters: STOCKTON, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- SJVWater
EIN 832646098 · Headquarters: Bakersfield, CA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990
- Skaggs Island Foundation
EIN 680311882 · Headquarters: Rohnert Park, CA, US · Environment · Latest available filing year: 2012 · Primary form: IRS Form 990-N
- Skyline Wilderness Park Foundation
EIN 680377962 · Headquarters: Napa, CA, US · Environment · Latest available filing year: 2012 · Primary form: IRS Form 990-N
- Slide Ranch
EIN 237069469 · Headquarters: MUIR BEACH, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Slo Beaver Brigade
EIN 863777569 · Headquarters: ATASCADERO, CA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990
- Slo Climate Coalition
EIN 834120324 · Headquarters: SAN LUIS OBISPO, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Slo Coast Alliance
EIN 770567833 · Headquarters: San Luis Obispo, CA, US · Environment · Latest available filing year: 2007 · Primary form: IRS Form 990-N
- Slo County Colab Foundation
EIN 863049476 · Headquarters: SAN LUIS OBISPO, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- SLO Green Build Inc
EIN 260702906 · Headquarters: San Luis Obispo, CA, USA · Environment · Latest available filing year: 2013 · Primary form: IRS Form 990-EZ
- Sloughkeepers
EIN 800830389 · Headquarters: Santa Clara, CA, US · Environment · Latest available filing year: 2014 · Primary form: IRS Form 990-N
- Smart Energy and Water Innovation Center
EIN 475618081 · Headquarters: Irvine, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Smart Energy Planet Corporation
EIN 452863959 · Headquarters: Fresno, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Smart Yards Education
EIN 821012849 · Headquarters: SAN JOSE, CA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Smartphones4water Incorporated
EIN 472991110 · Headquarters: Chico, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Smith River Alliance Inc
EIN 942650838 · Headquarters: Crescent City, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Snow Lovers
EIN 824504523 · Headquarters: Culver City, CA, US · Environment · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- Snowlands Network
EIN 943395963 · Headquarters: LOS GATOS, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- So Others May Eat Recycling Corp
EIN 453765685 · Headquarters: SAN DIEGO, CA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Soar Inc
EIN 770526592 · Headquarters: Ventura, CA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Soar Nonprofit
EIN 770526601 · Headquarters: Ventura, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Socal Flora & Fauna
EIN 873382390 · Headquarters: Julian, CA, US · Environment · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- Social and Environmental Entrepreneurs (See) Inc
EIN 954116679 · Headquarters: CALABASAS, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Social Compassion
EIN 208067041 · Headquarters: Laguna Beach, CA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990
- Social Restoration Club Corporation
EIN 721585513 · Headquarters: San Francisco, CA, US · Environment · Latest available filing year: 2009 · Primary form: IRS Form 990-N
- Society for Allergy Friendly Environmental Gardening
EIN 462869063 · Headquarters: San Luis Obispo, CA, US · Environment · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- Society for Environmental Awareness
EIN 330035911 · Headquarters: JULIAN, CA, US · Environment · Latest available filing year: 2009 · Primary form: IRS Form 990-N
- Society for the Exploration and Pre Preservation of Honduras Seph
EIN 943385017 · Headquarters: San Francisco, CA, US · Environment · Latest available filing year: 2007 · Primary form: IRS Form 990-N
- Society for the Study of Marine Bioinvasions Inc
EIN 275467315 · Headquarters: Imperial Beach, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Society for Vector Ecology
EIN 237109235 · Headquarters: ONTARIO, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Society of American Foresters
EIN 956112444 · Headquarters: Chino, CA, US · Environment · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- Society of Filipino Foresters in North America
EIN 463180696 · Headquarters: Union City, CA, US · Environment · Latest available filing year: 2016 · Primary form: IRS Form 990-N
- Society of Government Meeting Professionals Inc
EIN 943176702 · Headquarters: San Francisco, CA, US · Environment · Latest available filing year: 2014 · Primary form: IRS Form 990-N
- Society of Saint Vincent De Paul Council of Los Angeles
EIN 475067489 · Headquarters: LOS ANGELES, CA, US · Environment · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- Society of Saint Vincent De Paul District Council of San Pedro
EIN 471638291 · Headquarters: LOS ANGELES, CA, US · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Society of Saint Vincent De Paul Immaculate Conception Conference
EIN 471615467 · Headquarters: LOS ANGELES, CA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Society of Saint Vincent De Paul St Catherine of Siena Conference
EIN 472531172 · Headquarters: Los Angeles, CA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Society of Saint Vincent De Paul St John Chrysostom Conference
EIN 474629368 · Headquarters: LOS ANGELES, CA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Society of Saint Vincent De Paul St Julie Billiart Conference
EIN 471870306 · Headquarters: Newbury Park, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Sogetsu Bay Area Branch
EIN 943134321 · Headquarters: San Francisco, CA, US · Environment · Latest available filing year: 2012 · Primary form: IRS Form 990-N
- Sogorea Te Land Trust
EIN 824415931 · Headquarters: Oakland, CA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Soh USA
EIN 842554672 · Headquarters: LA CANADA, CA, USA · Environment · Latest available filing year: 2020 · Primary form: IRS Form 990-PF
- Soil and Water Conservation Society
EIN 330615892 · Headquarters: Davis, CA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Soil Healing
EIN 854114283 · Headquarters: Altadena, CA, US · Environment · Latest available filing year: 2022 · Primary form: IRS Form 990-N