Environment organizations operating in Washington — revenue, assets, and AI-powered transparency analysis from IRS 990 data.
| # | Organization | City | Revenue | Score |
|---|---|---|---|---|
| 1 | Rhododendron Species Foundation | Federal Way | $7.9M | — |
| 2 | Northwest Horticultural Society | Seattle | $278K | — |
| 3 | Master Gardener Foundation Of King County | Renton | $210K | — |
| 4 | Gesneriad Society | Seattle | $158K | — |
There are 4 environment nonprofits in Washington, with $8.5M in combined revenue and $13.0M in total assets.
The largest environment nonprofit in Washington by revenue is Rhododendron Species Foundation with $7.9M 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.