Organizations
Largest first
By revenue on the last return. Organizations that file Form 990-N report no figures and come last.
| Organization | Return | Revenue |
|---|---|---|
| Audubon Canyon Ranch IncStinson Beach | Form 990 | $7,447,778FY2025 |
| The Land Conservancy of San Luis Obispo CountySan Luis Obispo | Form 990 | $7,223,040FY2025 |
| California Rural Water AssociationSacramento | Form 990 | $7,157,113FY2024 |
| Nextgen Climate America IncRedwood City | Form 990 | $7,101,248FY2024 |
| Council for Watershed HealthPasadena | Form 990 | $6,928,388FY2025 |
| Japanese Friendship Garden and Museum of San DiegoSan Diego | Form 990 | $6,807,380FY2025 |
| Whitebark InstituteMammoth Lakes | Form 990 | $6,658,654FY2024 |
| California Water Environment AssociationOakland | Form 990 | $6,644,301FY2025 |
| LandpathsSanta Rosa | Form 990 | $6,581,248FY2025 |
| Eco Center IncSan Juan Capistrano | Form 990 | $6,480,367FY2024 |
| Truckee River Watershed CouncilTruckee | Form 990 | $6,319,373FY2025 |
| Clientearth USA IncSanta Monica | Form 990 | $6,268,467FY2024 |
| The East Cut Community Benefit DistrictSan Francisco | Form 990 | $6,212,510FY2025 |
| Smith River Alliance IncCrescent City | Form 990 | $6,183,328FY2025 |
| Dream OrgOakland | Form 990 | $6,039,327FY2025 |
| Rancho Santa Ana Botanic Garden Trustees of Rancho Santa Ana BotanClaremont | Form 990 | $6,016,009FY2025 |
| Planting JusticeOakland | Form 990 | $6,005,233FY2024 |
| South Coast Botanic Garden Foundation IncPalos Verdes Peninsula | Form 990 | $5,916,403FY2025 |
| VELOZSacramento | Form 990 | $5,900,658FY2025 |
| Sonoma Ecology CenterEldridge | Form 990 | $5,876,143FY2024 |
| Los Angeles Neighborhood Land TrustLos Angeles | Form 990 | $5,875,938FY2025 |
| Central California Environmental Justice NetworkFresno | Form 990 | $5,863,581FY2024 |
| Downtown Community Benefit DistrictSan Francisco | Form 990 | $5,836,341FY2025 |
| Climate Action ReserveLos Angeles | Form 990 | $5,833,644FY2025 |
| Los Angeles Arboretum Foundation IncArcadia | Form 990 | $5,753,954FY2025 |
| The Coral Reef AllianceSan Francisco | Form 990 | $5,749,831FY2025 |
| Los Angeles WaterkeeperLos Angeles | Form 990 | $5,740,179FY2025 |
| Center for Resource SolutionsSan Francisco | Form 990 | $5,670,491FY2024 |
| Stewardship WestArnold | Form 990 | $5,655,675FY2024 |
| Climate Emergency FundWest Hollywood | Form 990 | $5,637,020FY2024 |
| The Ojai Valley Land ConservancyOjai | Form 990 | $5,578,983FY2025 |
| Tahoe FundTahoe City | Form 990 | $5,556,780FY2025 |
| Agricultural Institute of MarinSan Rafael | Form 990 | $5,491,470FY2024 |
| Sierra Foothill Conservancy TRMariposa | Form 990 | $5,446,699FY2025 |
| Kokua Hawaii FoundationSan Rafael | Form 990 | $5,345,236FY2025 |
| Santa Monica Bay FoundationPlaya del Rey | Form 990 | $5,326,691FY2025 |
| Heal the BaySanta Monica | Form 990 | $5,270,383FY2025 |
| Scott River Watershed CouncilEtna | Form 990 | $5,199,659FY2024 |
| Friends of the Urban ForestSan Francisco | Form 990 | $5,142,060FY2025 |
| Global ConservationPortola Valley | Form 990 | $5,117,280FY2024 |
| The Breakthrough InstituteBerkeley | Form 990 | $5,069,912FY2025 |
| The Trust for Hidden VillaLos Altos Hills | Form 990 | $4,992,886FY2025 |
| Save the BayOakland | Form 990 | $4,986,959FY2025 |
| Amazon FrontlinesSan Francisco | Form 990 | $4,981,500FY2024 |
| Hollywood Beautification TeamSunland | Form 990 | $4,918,042FY2024 |
| Sustainable Ocean Alliance IncSan Francisco | Form 990 | $4,897,663FY2024 |
| JMT Wilderness ConservancyTruckee | Form 990 | $4,877,386FY2025 |
| WildcoastDel Mar | Form 990 | $4,862,617FY2024 |
| Citizens Climate Education CorpCoronado | Form 990 | $4,860,490FY2025 |
| Sequoia Parks ConservancyThree Rivers | Form 990 | $4,833,068FY2024 |
101 to 150 of 3,142