Environment nonprofits in Washington
Environment nonprofits in Washington. Browse 1,169 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
- Quilcene Brinnon Garden Club
EIN 843634331 · Headquarters: Quilcene, WA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Raging River Conservation Group
EIN 475385091 · Headquarters: Fall City, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Railroads & Clearcuts Campaign
EIN 912017341 · Headquarters: Vashon, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Rainforest Alliance Information Network
EIN 943099313 · Headquarters: Seattle, WA, US · Environment · Latest available filing year: 2009 · Primary form: IRS Form 990-N
- Rainier Audubon Society
EIN 911224316 · Headquarters: Auburn, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Rbaw Marine Parks Conservancy
EIN 842485855 · Headquarters: SEATTLE, WA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Re Sources
EIN 911243957 · Headquarters: Bellingham, WA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Reconnect Earth
EIN 824937112 · Headquarters: Bellingham, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Record Archive Restore Ecosystems
EIN 882212748 · Headquarters: SEATTLE, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Recycling Society
EIN 332569312 · Headquarters: Bellingham, WA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Redondo Beach Cleanup Team
EIN 825417620 · Headquarters: LUMMI ISLAND, WA, US · Environment · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- Reef Centra Point B2348 Inc
EIN 260843490 · Headquarters: Seattle, WA, US · Environment · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- Reflective Earth Foundation
EIN 842487907 · Headquarters: Mercer Island, WA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990
- Relove Lab
EIN 412763993 · Headquarters: Seattle, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Remakery
EIN 922895997 · Headquarters: Tacoma, WA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Remember Land
EIN 845057732 · Headquarters: Battle Ground, WA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Renewable Home Energy
EIN 200993430 · Headquarters: Sedro Woolley, WA, US · Environment · Latest available filing year: 2012 · Primary form: IRS Form 990-N
- Research & Design for Integrated Ecology
EIN 843016827 · Headquarters: Redmond, WA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Resource Management Group
EIN 911670007 · Headquarters: Point Roberts, WA, US · Environment · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- Responsible Development
EIN 141944887 · Headquarters: Bellingham, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Restoring Earth Connection
EIN 881155378 · Headquarters: OLYMPIA, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Rhododendron Species Foundation
EIN 936033854 · Headquarters: FEDERAL WAY, WA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Rhody Ridge Foundation
EIN 474056200 · Headquarters: BOTHELL, WA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Ridge Association
EIN 911445747 · Headquarters: Roslyn, WA, US · Environment · Latest available filing year: 2013 · Primary form: IRS Form 990-N
- Ridge to River Relay Association
EIN 911348995 · Headquarters: WENATCHEE, WA, US · Environment · Latest available filing year: 2017 · Primary form: IRS Form 990-N
- Ridges to Rivers Open Space Network
EIN 271186914 · Headquarters: Richland, WA, US · Environment · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- Rights of Nature Land Trust
EIN 852157137 · Headquarters: Spokane, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Riparian Owners of Ferry County
EIN 262033378 · Headquarters: Republic, WA, US · Environment · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- Ritter Land Management Team
EIN 813331392 · Headquarters: CAMAS, WA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- River Resource Trust
EIN 731704290 · Headquarters: Darrington, WA, US · Environment · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- Riverjunky Conservation Inc
EIN 821455554 · Headquarters: Silverlake, WA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Riverside Real Enterprises
EIN 943147553 · Headquarters: Chattaroy, WA, US · Environment · Latest available filing year: 2010 · Primary form: IRS Form 990-N
- Rocks2dogs
EIN 842702372 · Headquarters: Redmond, WA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Rotary Club of Puget Sound Environmental Foundation
EIN 873395388 · Headquarters: Kenmore, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Rowan Institute
EIN 831294046 · Headquarters: SEATTLE, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Sacred Earth Foundation
EIN 262272458 · Headquarters: Goldendale, WA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Saddle Mountain Water Assn Inc
EIN 910672907 · Headquarters: Othello, WA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Sahale Outdoors
EIN 881998115 · Headquarters: fife, WA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Saint Edward Environmental Learning Center
EIN 412231752 · Headquarters: Kenmore, WA, US · Environment · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- Salish Center for Sustainable Fishing Methods
EIN 824455059 · Headquarters: Lummi Island, WA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Salish Sea Conservation
EIN 462534110 · Headquarters: Bellingham, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Salish Sea Expenditions
EIN 911688662 · Headquarters: PORT TOWNSEND, WA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Salish Sea Habitat Inc
EIN 800525644 · Headquarters: Everett, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Salmon Creek Watershed Council
EIN 651297692 · Headquarters: Washougal, WA, US · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Salmon Defense
EIN 800072301 · Headquarters: OLYMPIA, WA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Salmon Homecoming Alliance
EIN 320004564 · Headquarters: LACEY, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Sammamish Botanical Garden Society
EIN 832546323 · Headquarters: Sammamish, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Sammamish Friends
EIN 454396265 · Headquarters: sammamish, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- San Andreas Land Conservancy
EIN 770418337 · Headquarters: Tokeland, WA, US · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- San Juan Nature Institute
EIN 911658965 · Headquarters: FRIDAY HARBOR, WA, USA · Environment · Latest available filing year: 2018 · Primary form: IRS Form 990-EZ
- San Luis Valley
EIN 393503548 · Headquarters: Spokane, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Sandwatch Foundation
EIN 862057581 · Headquarters: Tacoma, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Sangharoots
EIN 882735039 · Headquarters: Redmond, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Save Black Lake Coalition
EIN 452534733 · Headquarters: Olympia, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Save Bothell
EIN 920595797 · Headquarters: Bothell, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Save Habitat and Diversity of Wetlands Organization
EIN 912032943 · Headquarters: RENTON, WA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Save Hicks Lake
EIN 871473119 · Headquarters: Lacey, WA, US · Environment · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- Save Lake Kachess
EIN 830968849 · Headquarters: FALL CITY, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Save Lake Sammamish
EIN 911472436 · Headquarters: Issaquah, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Save Our Critters Society
EIN 911610297 · Headquarters: Des Moines, WA, US · Environment · Latest available filing year: 2013 · Primary form: IRS Form 990-N
- Save Our Fish Chapter Puget Sound Anglers
EIN 651261927 · Headquarters: Aberdeen, WA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Save Our Scenic Area
EIN 261516280 · Headquarters: Underwood, WA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Save Our Shoreline
EIN 202697724 · Headquarters: Lakebay, WA, US · Environment · Latest available filing year: 2007 · Primary form: IRS Form 990-N
- Save Our Shorelines
EIN 463027139 · Headquarters: EDMONDS, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Save Our Summers
EIN 911689953 · Headquarters: Spokane, WA, US · Environment · Latest available filing year: 2009 · Primary form: IRS Form 990-N
- Save Our Summit
EIN 824504020 · Headquarters: Olympia, WA, US · Environment · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- Save Riviera Shoreline
EIN 452659573 · Headquarters: Seattle, WA, US · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Save Shoreline Trees
EIN 844621564 · Headquarters: Shoreline, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Save the Olympic Peninsula
EIN 474448983 · Headquarters: Port Angeles, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Save the Palouse
EIN 993060059 · Headquarters: Palouse, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Save the Planet Foundation
EIN 934868897 · Headquarters: Puyallup, WA, US · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Save the Waterfront Foundation
EIN 990658236 · Headquarters: Bellingham, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Save Union Bay Association
EIN 272874267 · Headquarters: Seattle, WA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Save Weyerhaeuser Campus Save Weyerhaeuser Campus
EIN 813674786 · Headquarters: FEDERAL WAY, WA, USA · Environment · Latest available filing year: 2020 · Primary form: IRS Form 990-EZ
- Sea-media
EIN 270767934 · Headquarters: Suquamish, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Seabirds Foundation
EIN 992836514 · Headquarters: Vancouver, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Seatrust Institute
EIN 203290864 · Headquarters: PORT TOWNSEND, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Seattle Biochar Working Group
EIN 263316418 · Headquarters: University Place, WA, US · Environment · Latest available filing year: 2016 · Primary form: IRS Form 990-N
- Seattle Council on Airport Affairs
EIN 911922031 · Headquarters: Seattle, WA, US · Environment · Latest available filing year: 2013 · Primary form: IRS Form 990-N
- Seattle Environmental Association
EIN 920832206 · Headquarters: Seattle, WA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Seattle Fandom Charities
EIN 263062605 · Headquarters: Seattle, WA, US · Environment · Latest available filing year: 2008 · Primary form: IRS Form 990-N
- Seattle Garden Club Inc
EIN 237293689 · Headquarters: Seattle, WA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Seattle Nature Alliance
EIN 471223792 · Headquarters: Seattle, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Seattle Reconomy
EIN 452776113 · Headquarters: SEATTLE, WA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Seattle Turtle & Tortoise
EIN 452740449 · Headquarters: Duvall, WA, US · Environment · Latest available filing year: 2015 · Primary form: IRS Form 990-N
- Semillas De Estrella
EIN 842315228 · Headquarters: BELLEVUE, WA, USA · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ
- Sequim Botanical Garden Society
EIN 822230847 · Headquarters: Sequim, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Seres Global
EIN 471287984 · Headquarters: Spokane Valley, WA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Seymour Botanical Conservatory Foundation
EIN 911934274 · Headquarters: Tacoma, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Shelton Chapter American Rhododendron
EIN 237440322 · Headquarters: Shelton, WA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Shelton Rock and Mineral Society
EIN 911739122 · Headquarters: SHELTON, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Shelton View Forest Stewardship Association
EIN 810858223 · Headquarters: BOTHELL, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Shine Foundation
EIN 994482963 · Headquarters: Bellevue, WA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990
- Shoreline Solar Project
EIN 200979404 · Headquarters: Shoreline, WA, US · Environment · Latest available filing year: 2015 · Primary form: IRS Form 990-N
- Shrub Steppe Trails Alliance
EIN 863457667 · Headquarters: Kennewick, WA, US · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Silver Sierra Foundation
EIN 884277622 · Headquarters: Waitsburg, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Skagit Conservation Education Alliance
EIN 753003436 · Headquarters: BURLINGTON, WA, US · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Skagit County K9 Search and Rescue Sck9sar
EIN 841922819 · Headquarters: Mount Vernon, WA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Skagit County Master Gardener Foundation
EIN 911708135 · Headquarters: Burlington, WA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Skagit Land Trust
EIN 911533402 · Headquarters: MOUNT VERNON, WA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990