Environment nonprofits in Washington

910 environmental nonprofits in Washington file a Form 990. Together they report $443 million in revenue and hold $1.6 billion in assets.

Browse all 391 environmental nonprofits in Washington →

The largest are Nia Tero Foundation, Columbia Land Trust, and Forterra Nw.

Environment in Washington

Largest by revenue first.

Nia Tero Foundation 501(c)(3) · Seattle, WA	$32.9M
Columbia Land Trust 501(c)(3) · Vancouver, WA	$13.8M
Forterra Nw 501(c)(3) · Seattle, WA	$12.8M
Breakthrough Energy Catalyst Foundation 501(c)(3) · Kirkland, WA	$12.4M
Clean And Prosperous America 501(c)(4) · Seattle, WA	$12.2M
Great Peninsula Conservancy 501(c)(3) · Bremerton, WA	$11.0M
Grist Magazine Inc 501(c)(3) · Seattle, WA	$10.0M
Whidbey Camano Land Trust 501(c)(3) · Greenbank, WA	$9.5M
Islandwood 501(c)(3) · Bainbridge Island, WA	$9.4M
CClean And Prosperous America Education Fund 501(c)(3) · Seattle, WA	$8.4M
Partners For Energy Progress 501(c)(4) · Olympia, WA	$7.9M
Arboretum Foundation 501(c)(3) · Seattle, WA	$7.9M
The Mountaineers 501(c)(3) · Seattle, WA	$7.8M
Splash International 501(c)(3) · Seattle, WA	$6.4M
Co2 Foundation 501(c)(3) · Seattle, WA	$6.0M
Methow Salmon Recovery Foundation 501(c)(3) · Twisp, WA	$5.7M
MMarine Stewardship Council Limited 501(c)(3) · Tukwila, WA	$5.7M
Ecostudies Institute 501(c)(3) · Olympia, WA	$5.3M
Washington Conservation Action Education Fund 501(c)(3) · Seattle, WA	$5.1M
Capitol Land Trust 501(c)(3) · Tumwater, WA	$4.8M
TTilth Alliance 501(c)(3) · Seattle, WA	$4.7M
Breakthrough Energy Action Inc 501(c)(4) · Kirkland, WA	$4.7M
Composite Recycling Technology Center 501(c)(3) · Port Angeles, WA	$4.6M
North Cascades Institute 501(c)(3) · Sedro Woolley, WA	$4.6M
Conservation Nw 501(c)(3) · Seattle, WA	$4.2M
The San Juan Preservation Trust 501(c)(3) · Friday Harbor, WA	$3.9M
Inland Northwest Land Trust 501(c)(3) · Spokane, WA	$3.8M
Mt Adams Resource Stewards 501(c)(3) · Glenwood, WA	$3.8M
EErtv Compliance Group 501(c)(4) · Seattle, WA	$3.7M
Delridge Neighborhoods Development Association 501(c)(3) · Seattle, WA	$3.7M
The Mountains To Sound Greenway Trust 501(c)(3) · Seattle, WA	$3.6M
Toxic-Free Future 501(c)(3) · Seattle, WA	$3.6M
MMid-Columbia Fisheries Enhancement Group 501(c)(3) · White Salmon, WA	$3.4M
Evergreen Mountain Bike Alliance 501(c)(3) · North Bend, WA	$3.2M
Back Country Horsemen Of Washington 501(c)(3) · Ellensburg, WA	$3.2M
Nisqually Land Trust 501(c)(3) · Lacey, WA	$3.1M
Sustainable Connections 501(c)(3) · Bellingham, WA	$3.1M
Jefferson Land Trust 501(c)(3) · Port Townsend, WA	$3.0M
Rhododendron Species Foundation 501(c)(3) · Federal Way, WA	$3.0M
Skagit Land Trust 501(c)(3) · Mount Vernon, WA	$3.0M
Pcc Farmland Trust 501(c)(3) · Seattle, WA	$3.0M
Feel Good Action 501(c)(3) · Seattle, WA	$3.0M
BBuilding Transparency 501(c)(3) · Seattle, WA	$3.0M
350 Seattle 501(c)(3) · Seattle, WA	$2.9M
North Olympic Land Trust 501(c)(3) · Port Angeles, WA	$2.9M
FFriends Of Hoja Nueva 501(c)(3) · Bainbridge Is, WA	$2.9M
Unkitawa 501(c)(3) · Kent, WA	$2.8M
Initiative For Responsible Mining Assurance 501(c)(3) · Seattle, WA	$2.7M
Duwamish River Cleanupcoalition-Technical Advisory Group 501(c)(3) · Seattle, WA	$2.7M
Leading Harvest 501(c)(3) · Seattle, WA	$2.7M
Washington Water Trust 501(c)(3) · Seattle, WA	$2.6M
Puget Sound Restoration Fund 501(c)(3) · Bainbridge Is, WA	$2.6M
Front And Centered 501(c)(3) · Seattle, WA	$2.6M
Bainbridge Island Land Trust 501(c)(3) · Bainbridge Is, WA	$2.6M
American Friends Of Canadian Conservation 501(c)(3) · Bellingham, WA	$2.6M
Sightline Institute 501(c)(3) · Seattle, WA	$2.5M
CClean And Prosperous America Action 501(c)(4) · Seattle, WA	$2.5M
Carbon Leadership Forum 501(c)(3) · Bellevue, WA	$2.5M
Utility Information Alliance 501(c)(3) · Seattle, WA	$2.4M
Methow Valley Sports Trails Association 501(c)(3) · Winthrop, WA	$2.3M
Re Sources 501(c)(3) · Bellingham, WA	$2.3M
Washington Maritime Blue 501(c)(3) · Seattle, WA	$2.3M
The Sustainable Living Center 501(c)(3) · Walla Walla, WA	$2.3M
Whatcom Land Trust 501(c)(3) · Bellingham, WA	$2.2M
Bellevue Botanical Garden Society 501(c)(3) · Bellevue, WA	$2.1M
Fuse Washington 501(c)(4) · Seattle, WA	$2.0M
Mt Adams Institute 501(c)(3) · Trout Lake, WA	$1.9M
NNorthwest Watershed Institute 501(c)(3) · Port Townsend, WA	$1.9M
Ecoadapt 501(c)(3) · Bainbridge Is, WA	$1.9M
Environmental Coalition Of South Seattle 501(c)(3) · Seattle, WA	$1.8M
Tft 501(c)(3) · Seattle, WA	$1.7M
Washington Resource Conservation And Development Council 501(c)(3) · Yakima, WA	$1.7M
Spark Northwest 501(c)(3) · Seattle, WA	$1.6M
Fuse Innovation Fund 501(c)(3) · Seattle, WA	$1.6M
Earth Economics 501(c)(3) · Tacoma, WA	$1.5M
Earthgen Fka Wa Green Schools 501(c)(3) · Seattle, WA	$1.5M
Remember Land 501(c)(3) · Battle Ground, WA	$1.5M
Pipeline Safety Trust 501(c)(3) · Bellingham, WA	$1.5M
Sustainable Seattle 501(c)(3) · Seattle, WA	$1.4M
Kitchen Garden Project Inc Garden-Raised Bounty 501(c)(3) · Olympia, WA	$1.4M
Feiro Marine Life Center 501(c)(3) · Port Angeles, WA	$1.3M
Puget Soundkeeper Alliance 501(c)(3) · Seattle, WA	$1.3M
Okanogan Land Trust 501(c)(3) · Okanogan, WA	$1.3M
Basel Action Network 501(c)(3) · Seattle, WA	$1.2M
Mangrove Action Project 501(c)(3) · Seattle, WA	$1.2M
Seattle Audubon Society 501(c)(3) · Seattle, WA	$1.2M
Mount St Helens Institute 501(c)(3) · Amboy, WA	$1.1M
TTreeline Foundation 501(c)(3) · Seattle, WA	$1.1M
Pacific Northwest Pollution Control Association 501(c)(3) · Gig Harbor, WA	$1.1M
Stewardship Partners 501(c)(3) · Seattle, WA	$1.0M
Adopt-A-Stream Foundation 501(c)(3) · Everett, WA	$1.0M
Historic Seattle Preservation Foundation 501(c)(3) · Seattle, WA	$1.0M
The Friends Of Lakewold 501(c)(3) · Lakewood, WA	$1.0M
Coastal And Estuarine Research Federation 501(c)(3) · Seattle, WA	$983K
The Lands Council 501(c)(3) · Spokane, WA	$969K
Futurewise 501(c)(3) · Seattle, WA	$967K
Nature Vision Inc 501(c)(3) · Woodinville, WA	$963K
Pacific Northwest Pollution Prevention Resource Center 501(c)(3) · Everett, WA	$962K
Cascade Forest Conservancy 501(c)(3) · Vancouver, WA	$922K
Vashon-Maury Island Land Trust 501(c)(3) · Vashon, WA	$908K

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