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
- Terra-forma
EIN 800027717 · Headquarters: Olympia, WA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Terradapt
EIN 883049803 · Headquarters: Bothell, WA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Terraform Foundation
EIN 881104494 · Headquarters: Kirkland, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Terry and Sons Environmental
EIN 472573887 · Headquarters: PORT ORCHARD, WA, USA · Environment · Latest available filing year: 2017 · Primary form: IRS Form 990
- Tetiaroa Society
EIN 451080688 · Headquarters: BELLEVUE, WA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- TFT
EIN 273183502 · Headquarters: Seattle, WA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- The Center for Democratic and Environmental Rights
EIN 843247477 · Headquarters: SPOKANE, WA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- The English Springer Spaniel Field Trial Assn Foundation Inc
EIN 391824118 · Headquarters: Seattle, WA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- The First Green Foundation
EIN 113733316 · Headquarters: Bellevue, WA, USA · Environment · Latest available filing year: 2017 · Primary form: IRS Form 990-EZ
- The Gesneriad Society Inc
EIN 226059828 · Headquarters: Seattle, WA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990
- The International Supreme Master Ching Hai Meditation Association
EIN 943230041 · Headquarters: Seattle, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- The Lands Council
EIN 943090355 · Headquarters: SPOKANE, WA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- The Leaflight Inc
EIN 562265809 · Headquarters: Seattle, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- The Longbranch Foundation
EIN 811147078 · Headquarters: Lakebay, WA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- The Mountaineers
EIN 273009280 · Headquarters: SEATTLE, WA, USA · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990
- The Mountaineers
EIN 910328867 · Headquarters: Seattle, WA, USA · Environment · Latest available filing year: 2009 · Primary form: IRS Form 990
- The Mountains to Sound Greenway Trust
EIN 911531234 · Headquarters: Seattle, WA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- The Natural Step Network
EIN 752983402 · Headquarters: SEATTLE, WA, USA · Environment · Latest available filing year: 2018 · Primary form: IRS Form 990-EZ
- The Pacific Watershed Institute
EIN 911531043 · Headquarters: Olympia, WA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- The Parks and Recreation Foundation of Vancouver and Clark County
EIN 911986747 · Headquarters: GIG HARBOR, WA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- The Recycling Foundation
EIN 912088850 · Headquarters: Tukwila, WA, US · Environment · Latest available filing year: 2017 · Primary form: IRS Form 990-N
- The Reforestation Collective
EIN 881015099 · Headquarters: KENT, WA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- The River Walkers Foundation
EIN 873850266 · Headquarters: Olympia, WA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- The Salish Sea School
EIN 833277816 · Headquarters: ANACORTES, WA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990
- The San Juan Preservation Trust
EIN 911078355 · Headquarters: FRIDAY HARBOR, WA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- The Sustainable Living Center
EIN 043690725 · Headquarters: WALLA WALLA, WA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990
- The Yakima Environmental Learning Foundation
EIN 721604550 · Headquarters: TOPPENISH, WA, US · Environment · Latest available filing year: 2016 · Primary form: IRS Form 990-N
- Thesustainable Living Institute
EIN 320042758 · Headquarters: Mukilteo, WA, US · Environment · Latest available filing year: 2007 · Primary form: IRS Form 990-N
- Thornton Creek Alliance
EIN 911635034 · Headquarters: Seattle, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Three Degrees Warmer
EIN 464215241 · Headquarters: Seattle, WA, US · Environment · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- Thurston Climate Action Team
EIN 270749507 · Headquarters: Olympia, WA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Tide Sw Foundation
EIN 851691315 · Headquarters: SEATTLE, WA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Tightline Adventure
EIN 465025178 · Headquarters: Tacoma, WA, US · Environment · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- Tilth Alliance
EIN 943261971 · Headquarters: SEATTLE, WA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Today Land Conservation Trust
EIN 510606555 · Headquarters: Vancouver, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Tomorrow Project
EIN 850604103 · Headquarters: Redmond, WA, US · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Tool Shed
EIN 462125623 · Headquarters: Port Townsend, WA, US · Environment · Latest available filing year: 2014 · Primary form: IRS Form 990-N
- Tops Club Inc
EIN 462542971 · Headquarters: Kenmore, WA, US · Environment · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- Toxic-free Future F/k/a Washington Toxics Coalition
EIN 911214158 · Headquarters: SEATTLE, WA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Tr Land Conservancy
EIN 931044271 · Headquarters: VANCOUVER, WA, US · Environment · Latest available filing year: 2015 · Primary form: IRS Form 990-N
- Trans-pacific Environmental Action Network
EIN 208078705 · Headquarters: Seattle, WA, US · Environment · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- Transportation Connections Inc
EIN 911658543 · Headquarters: Seattle, WA, US · Environment · Latest available filing year: 2009 · Primary form: IRS Form 990-N
- Trashmob
EIN 881286026 · Headquarters: Issaquah, WA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Treeline Foundation
EIN 462216403 · Headquarters: SEATTLE, WA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Treesong Nature Awareness and Retreat Center
EIN 462229112 · Headquarters: Port Townsend, WA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Tri-Cities CARES
EIN 882759108 · Headquarters: Kennewick, WA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Tribal Solid Waste Advisory Network
EIN 820523541 · Headquarters: TEKOA, WA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Trout Unlimited
EIN 237282811 · Headquarters: Milton, WA, US · Environment · Latest available filing year: 2011 · Primary form: IRS Form 990-N
- Trout Unlimited
EIN 510208711 · Headquarters: Bellingham, WA, US · Environment · Latest available filing year: 2012 · Primary form: IRS Form 990-N
- Trout Unlimited
EIN 510225045 · Headquarters: bothell, WA, US · Environment · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- Trout Unlimited
EIN 521765525 · Headquarters: Seattle, WA, US · Environment · Latest available filing year: 2007 · Primary form: IRS Form 990-N
- Trout Unlimited
EIN 521766031 · Headquarters: Union, WA, US · Environment · Latest available filing year: 2007 · Primary form: IRS Form 990-N
- Tsn Research
EIN 994995942 · Headquarters: DES MOINES, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Tulip Valley Gardeners
EIN 421717468 · Headquarters: Mount Vernon, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Twin Harbors Waterkeeper
EIN 841941740 · Headquarters: Rochester, WA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Twisp Valley Power and Irrigation Company
EIN 910691313 · Headquarters: Twisp, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- University Place Community Garden
EIN 462479175 · Headquarters: University Place, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Unkitawa
EIN 832398323 · Headquarters: Kent, WA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Upper Columbia RC&D
EIN 911584918 · Headquarters: Spokane Valley, WA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Urban Death Project
EIN 471394764 · Headquarters: SEATTLE, WA, USA · Environment · Latest available filing year: 2017 · Primary form: IRS Form 990-EZ
- Urban Forest Carbon Registry
EIN 474860929 · Headquarters: SEATTLE, WA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Us Water Alliance
EIN 262112661 · Headquarters: federal way, WA, USA · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990
- Us-china Clean Energy Educational Forum
EIN 270980708 · Headquarters: Seattle, WA, US · Environment · Latest available filing year: 2017 · Primary form: IRS Form 990-N
- Utility Information Alliance
EIN 923626174 · Headquarters: SEATTLE, WA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990
- Utility Squared Community
EIN 854161919 · Headquarters: Spokane, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Valley Land Trust
EIN 934741531 · Headquarters: VANCOUVER, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Valley Rose Society
EIN 421759708 · Headquarters: Federal Way, WA, US · Environment · Latest available filing year: 2007 · Primary form: IRS Form 990-N
- Vancouver Audubon Society
EIN 510191929 · Headquarters: Vancouver, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Vashon Earth Awareness Coalition
EIN 911914300 · Headquarters: Vashon, WA, US · Environment · Latest available filing year: 2009 · Primary form: IRS Form 990-N
- Vashon Island Fair Skies
EIN 825451411 · Headquarters: VASHON, WA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Vashon-maury Island Garden Club
EIN 455434651 · Headquarters: Vashon, WA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Vashon-maury Island Land Trust
EIN 943123021 · Headquarters: VASHON, WA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990
- Vashon-maury Island Nature Center
EIN 825064648 · Headquarters: VASHON, WA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990
- Village Ecosystem
EIN 270451277 · Headquarters: Battle Ground, WA, US · Environment · Latest available filing year: 2011 · Primary form: IRS Form 990-N
- Vips Fund
EIN 921142615 · Headquarters: Oak Harbor, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Volunteers for Outdoor Washington
EIN 911217915 · Headquarters: Marysville, WA, US · Environment · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- Wa Ridge Runners Mc
EIN 333934279 · Headquarters: Mountlake Terrace, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Wa-ya Outdoor Institute
EIN 821147149 · Headquarters: Tumwater, WA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Walla Walla Area Resource Conservation Committee
EIN 261408436 · Headquarters: Walla Walla, WA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Ward Foundation
EIN 311549605 · Headquarters: Edmonds, WA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Warm Beach Stewards
EIN 202800484 · Headquarters: Stanwood, WA, US · Environment · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- Washington Association of Drug Courts
EIN 912091442 · Headquarters: Burien, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Washington Butterfly Association
EIN 911973058 · Headquarters: Seattle, WA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Washington Chapter Foundation for Wild Sheep
EIN 911587863 · Headquarters: KENT, WA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Washington Conservation Action Education Fund
EIN 910839385 · Headquarters: SEATTLE, WA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Washington Maritime Blue
EIN 831638344 · Headquarters: SEATTLE, WA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Washington Mass Timber Accelerator
EIN 994910285 · Headquarters: Seattle, WA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Washington Native Bee Society
EIN 874309296 · Headquarters: Sequim, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Washington Native Plant Society
EIN 910972555 · Headquarters: SEATTLE, WA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Washington Oregon Water-Washington
EIN 922076357 · Headquarters: WALLA WALLA, WA, US · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Washington Prescribed Fire Council
EIN 921081889 · Headquarters: Cle Elum, WA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Washington Resource Conservation and Development C
EIN 911810332 · Headquarters: YAKIMA, WA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Washington Sensible Shorelines Association
EIN 800508969 · Headquarters: BELLEVUE, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Washington State Envirothon
EIN 200161485 · Headquarters: Puyallup, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Washington State Green Bank
EIN 990692128 · Headquarters: SEATTLE, WA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Washington State Lake Protection Association
EIN 943059481 · Headquarters: Seattle, WA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Washington State Trails Coalition
EIN 911973937 · Headquarters: Kingston, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Washington State Youth Conservation Camps
EIN 821292993 · Headquarters: Graham, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Washington Tree Farm Program Inc
EIN 261191417 · Headquarters: Olympia, WA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Washington Water Trails Association
EIN 911472783 · Headquarters: Seattle, WA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ