Environment organizations operating in Washington — revenue, assets, and AI-powered transparency analysis from IRS 990 data.
| # | Organization | City | Revenue | Score |
|---|---|---|---|---|
| 1 | Islandwood | Bainbridge Is | $17.8M | — |
| 2 | The Mountaineers | Seattle | $13.9M | — |
| 3 | North Cascades Institute | Sedro Woolley | $5.7M | — |
| 4 | Feel Good Action | Seattle | $3.0M | — |
| 5 | Clean And Prosperous America Action | Seattle | $2.5M | — |
| 6 | Re Sources | Bellingham | $2.4M | — |
| 7 | Methow Valley Sports Trails Association | Winthrop | $2.3M | — |
| 8 | Mt Adams Institute | Trout Lake | $1.9M | — |
| 9 | Remember Land | Battle Ground | $1.8M | — |
| 10 | Earthgen | Seattle | $1.7M | — |
| 11 | Mount St Helens Institute | Amboy | $1.2M | — |
| 12 | Nature Vision Inc | Woodinville | $963K | — |
| 13 | Columbia Springs | Vancouver | $792K | — |
| 14 | Tacoma Tree Foundation | Tacoma | $654K | — |
| 15 | Dungeness River Nature Center | Sequim | $646K | — |
| 16 | Environmental Science Center | Burien | $639K | — |
| 17 | Washington Chapter Of The Foundation For North Am Wild Sheep | Kent | $605K | — |
| 18 | Nimiipuu Protecting The Environment | Pullman | $525K | — |
| 19 | Blue Endeavors | Seattle | $518K | — |
| 20 | Salish Sea School | Anacortes | $472K | — |
There are 31 environment nonprofits in Washington, with $62.9M in combined revenue and $108.5M in total assets.
The largest environment nonprofit in Washington by revenue is Islandwood with $17.8M in annual revenue.
Spending data is being compiled.
Check the organization's Mission Score, review red flags, examine spending breakdowns, and verify their IRS 990 filings on NonprofitSpending. Legitimate nonprofits typically spend 65%+ of their budget on programs.