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Data / Nonprofits / California / San Diego / Environment

Environment nonprofits in San Diego, CA: 158 registered with the IRS

158 environment nonprofits are registered with the IRS in San Diego, CA, 153 of them 501(c)(3) charities; the 59 that report revenue took in $380.2 million. The largest by revenue: Center for Sustainable Energy ($335.6 million), Japanese Friendship Garden and Museum of San Diego ($6.8 million), Just Transition Alliance ($4.6 million).

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Every organization, largest by revenue first

OrganizationTypeSinceRevenueAssetsFiling
Center for Sustainable Energy501(c)(3)2001$335.6 million$51.6 million2024-12
Japanese Friendship Garden and Museum of San Diego501(c)(3)1981$6.8 million$30.5 million2025-06
Just Transition Alliance501(c)(3)2001$4.6 million$2.6 million2024-12
Endangered Habitats Conservancy501(c)(3)2007$3.4 million$70.5 million2024-12
I Love A Clean San Diego County Inc501(c)(3)1974$2.9 million$2.5 million2025-12
San Dieguito River Valley Land Conservancy501(c)(3)2025$2.8 million$12.1 million2025-06
San Diego Bird Alliance501(c)(3)1965$2.5 million$8.2 million2025-05
Hydrologic Research Center501(c)(3)1993$2.3 million$1.1 million2025-09
San Diego Coastkeeper501(c)(3)1995$2.3 million$2.9 million2024-12
San Diego Canyonlands Inc501(c)(3)2008$2.2 million$944,7432025-06
Groundwork San Diego - Chollas Creek501(c)(3)2007$1.9 million$1.9 million2025-06
Ecological Life Systems Institute Incorporated501(c)(3)2014$1.5 million$1.3 million2022-12
My Green Lab Corp501(c)(3)2014$1.2 million$2.4 million2024-12
Tree San Diego501(c)(3)2014$1.1 million$1.6 million2025-12
Civita Public Maintenance Corporation501(c)(4)2015$1.1 million$143,6752025-06
Protect Our Communities Foundation501(c)(3)2009$834,563$2 million2024-12
Paddle for Peace501(c)(3)2021$682,871$447,4372025-12
Sandiego350501(c)(3)2014$559,914$634,8262026-06
Ecologik Institute501(c)(3)2023$504,375$188,5092025-12
Solar Rights Alliance501(c)(4)2016$481,975$382,0092025-12
Safari Club International Foundation501(c)(3)1975$377,571$375,9782025-06
Plant It Again501(c)(3)2020$365,246$47,3882025-12
Partnership for Environmental Progress501(c)(3)1995$303,987$2.4 million2025-12
Isla Urbana USA Inc501(c)(3)2022$278,540$166,2722025-12
Zero Waste San Diego501(c)(3)2009$276,165$104,7872025-12
Keeling Curve Foundation501(c)(3)2022$270,167$255,9132025-12
Heirloom Cacao Preservation Fund501(c)(3)2015$257,156$233,3202024-12
Power Scuba501(c)(3)2012$252,822$85,3462025-12
San Diego Cactus & Succulent Society Inc501(c)(3)1995$216,494$136,9992024-12
Openoceans Global501(c)(3)2009$211,611$207,7112025-09
I Am Green501(c)(3)2020$179,800$2,6252023-12
Friends of Rose Canyon501(c)(3)2006$163,986$581,7972025-12
Lumbercycle501(c)(3)2019$150,210$99,4172023-12
Environmental Center of San Diego501(c)(3)2015$134,696$92,3252025-12
Live Ocean501(c)(3)2020$125,000$65,6982025-12
San Diego Urban Sustainability Coalition Inc501(c)(3)2020$124,072$3.4 million2024-12
Center Foundation501(c)(3)2023$113,481$308,1822024-12
Nature Legacy Inc501(c)(3)2024$103,435$230,9352025-12
Kate Sessions Commitment501(c)(3)2023$98,858$12,3282025-12
Green Beauty Community Foundation Inc501(c)(3)2024$93,512$1,1362025-12
San Diego Children and Nature Collaborative501(c)(3)2015$91,797$75,7612025-06
Sea of Clouds501(c)(3)2017$88,857$28,5962024-12
Cleantech Education Foundation501(c)(3)2014$82,523$43,3212025-06
In Good Company501(c)(3)2023$75,639$56,1572025-12
American Rose Society501(c)(3)1983$74,357$88,9092025-12
Public Power San Diego501(c)(3)2026$64,931$29,9072025-12
Association of Hazardous Materials Professionals501(c)(3)2022$60,866$21,3292025-12
Gift of Water Inc501(c)(3)2010$54,358$165,4242024-12
La Jolla Shores Business Association Inc501(c)(4)2024$52,322$25,3722024-12
San Diego Floral Association Inc501(c)(3)1971$48,866$119,3732024-12
Inika Small Earth Inc501(c)(3)2010$34,182$52,2572025-08
Collectivesun Foundation501(c)(3)2020$31,999$2.1 million2025-12
Friends of Los Penasquitos Canyon Preserve Inc501(c)(3)1985$31,041$425,9082024-12
San Diego Earth Day501(c)(3)1992$15,001$32,0162024-12
Modest Living Laudato Si Community501(c)(3)2024$5,000$12024-12
La Jolla Coast Conservancy501(c)(3)2023$1,877$3,9202024-12
Friends of the Mexican Fund for the Conservation of Nature501(c)(3)2006$1,099$38,5152024-12
Nature School501(c)(3)1994$875$63,1132025-06
Mission Hills Garden Club501(c)(3)2005$375$117,3122025-06
1dollar for the Ocean501(c)(3)2024$0$02025-12
Administrative Law Judges Association501(c)(6)2019$0$02024-06
Allgoods Inc501(c)(3)2022$0$02023-12
Altadena Community Pocket Garden501(c)(3)2017$0$02025-12
Be Creative Zone501(c)(3)1997$0$02025-05
Bloom Together Foundation501(c)(3)2025$0$02025-12
Borrego Institute for Living Design501(c)(3)2024$0$02024-12
CT Project Inc501(c)(3)2012$0$02025-12
California Fisheries Innovation Institute501(c)(3)2022$0$02025-12
California Garden Clubs Inc501(c)(3)1969$0$02025-12
California Garden Clubs Inc501(c)(3)1969$0$02024-12
Cans4books501(c)(3)2023$5,5602024-12
Cigarette Butt Pollution Project501(c)(3)2011$0$02025-12
City Farmers Helping Others501(c)(3)2015$0$02025-12
Clean Coast California501(c)(3)2023$0$12023-12
Clear Blue Sea501(c)(3)2016$0$02025-12
Climate Defenders Action Fund501(c)(4)2019$0$02024-12
Climate Science Alliance501(c)(3)2026
Coastal Defense Educators501(c)(3)2022$0$02023-12
Code 3 Clean Up501(c)(3)2020$0$02025-12
Defend Coastal Access501(c)(3)2026
Devotion To My Ocean Foundation Inc501(c)(3)2015$0$02024-12
Dont Trash Mission Beach501(c)(3)2022$0$02026-04
Dwelling On Carbon501(c)(3)2024$0$02025-12
Earth Kind501(c)(3)2017$0$02025-12
Earthspotter501(c)(3)2024$0$02025-12
Ecofrontera Foundation501(c)(3)2021$0$02025-12
Elephant Conservation and Research Fund Inc501(c)(3)2025
Em Foundation Inc501(c)(3)2022$42,3242025-12
Empower Kids Collective501(c)(3)2025
Endangered Concepts501(c)(3)2022$0$02025-12
Endless-Earth501(c)(3)2014$0$02025-12
Equal Aid for Equal Lives Inc501(c)(3)2024$0$02024-12
Ethos Baja Foundation Inc501(c)(3)2025
Foodsynergy Inc501(c)(3)2025$0$02025-12
Friends 4 Picacho501(c)(3)2015$0$02025-12
Friends of Sunset Cliff501(c)(3)2007$0$02024-12
Genesis Environmental501(c)(3)2021$0$02025-12
Gifts From Nature501(c)(3)2025
Gold Coast Conservancy501(c)(3)2020$0$02023-12
Good Neighbor Garden Foundation501(c)(3)2024
Green Wall Project501(c)(3)2026
Grid Alternatives501(c)(3)2014
Growing Empathy501(c)(3)2024$0$02025-12
Growing Solutions Restoration Education Institute501(c)(3)2000$0$02025-12
I Am501(c)(3)2025$0$02025-12
Infinite Power Corporation501(c)(3)2016$0$02025-12
Institute of Kambo Advancement and Preservation501(c)(3)2026
K Huang Family Foundation501(c)(3)2021$12025-12
Kind Cycle501(c)(3)2025$0$02025-04
La Playa Trail Association501(c)(3)2006$0$02025-06
Lars Bell Foundation501(c)(3)2022$4,8442024-12
Light Without Borders501(c)(3)2025$0$02025-12
Localcleanup501(c)(3)2024
Love Recycle501(c)(3)2024$0$02025-12
Maple Canyon SD501(c)(3)2025
Mossane Women and Children in Need501(c)(3)2019$0$02024-12
Native Del Mar501(c)(3)2020$0$02024-12
Neighbors for Clairemont501(c)(3)2025$0$02025-12
North Park- Park and Recreation Council501(c)(3)2015
Oasis Restoration501(c)(3)2023$0$02024-12
Ocean Beach Community Garden501(c)(3)2025$0$02024-12
Ocean Beach Green Center501(c)(3)2015$0$02025-12
One Piece Please501(c)(3)2024$0$02025-12
Overstories Foundation Inc501(c)(3)2026
Palomar District of California Garden Clubs Inc501(c)(3)1998$0$02025-06
Peninsula Community Garden Association501(c)(3)2019$0$02023-12
Pick It Up501(c)(3)2020$0$02025-12
Preserve Our Resources Environment & Principles Inc501(c)(3)2019$140,0912024-07
Project Arise501(c)(3)2024$0$02026-03
Project See501(c)(3)2024$0$02025-12
Protect Our Preserves Inc501(c)(3)2023$0$02025-12
Reterra Project501(c)(3)2025$0$02025-04
Reviveco Global501(c)(3)2026$0$02025-12
SD Community Defense Fund Inc501(c)(3)2026
San Diego Carnivorous Plant Society501(c)(3)2025
San Diego County Dahlia Society501(c)(3)2025$0$02025-12
San Diego Mycological Society501(c)(3)1998$0$02025-12
San Diego Oceans Foundation501(c)(3)1985$0$02025-12
San Diego Professional Chapter of the Soc of Hispanic Prof Eng Inc501(c)(3)1994$0$02026-06
San Diego Tracking Team501(c)(3)2003$0$02025-12
Save Our Access501(c)(3)2020$0$02025-12
Saving Our Snow Foundation501(c)(3)2026
Seanome Inc501(c)(3)2024$0$02024-12
So Others May Eat Recycling Corporation501(c)(3)2014$0$2,9832025-12
Space Gate Corporation501(c)(3)2019$0$02025-12
Ste Global501(c)(3)2017$0$02025-12
Street Stewards Inc501(c)(3)2022$0$02025-12
Sustainsd Inc501(c)(3)2021$0$02024-12
Teach Permaculture501(c)(3)2026$0$02025-12
Thrappas Memorial Foundation501(c)(3)2024$12025-12
Total Altruistic Project Foundation501(c)(3)2020$0$02025-09
Tree Corps Foundation501(c)(3)2020$0$02024-09
Tree Culture Institute501(c)(3)2025$0$02025-12
Treedom Landscapes501(c)(3)2023$0$02023-12
Tubb Canyon Desert Conservancy501(c)(3)2012$0$02025-12
Urban Wood Hub501(c)(3)2023$0$02025-12
Warner Springs Ranch Habitat and Cultural Conservancy501(c)(3)2014$0$02024-12
Windly501(c)(3)2023$0$02024-12

Other causes in San Diego, CA

Every nonprofit in San Diego, CA · Environment nonprofits across the state · Nonprofits in every city of the state

Read from the IRS Exempt Organizations Business Master File, updated by the IRS on October 24, 2026 and rebuilt here every morning. Revenue and assets are from each organization's latest filing as the IRS lists it; the IRS record is the official one. Organizations only: no people are named on these pages.