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Brownfield sites in Washington
EPA lists 736 brownfield sites in Washington. Grant recipients report them. Here are the counts, EPA's flags and every county.
EPA flags
| EPA flag | Sites |
|---|---|
| Ready for reuse | 199 |
| Assessment | 405 |
| Cleanup | 36 |
| Targeted assessment | 59 |
| State or tribal program | 144 |
| Multipurpose grant | 1 |
| Area-wide planning | 6 |
A site can carry more than one flag. The grant flags show which kinds of EPA brownfield funding a site is listed under.
Counties with 8 or more sites
| County | Sites | Ready for reuse |
|---|---|---|
| Benton County | 10 | 4 |
| Chelan County | 11 | 0 |
| Clallam County | 39 | 29 |
| Clark County | 40 | 28 |
| Ferry County | 15 | 8 |
| Grays Harbor County | 84 | 12 |
| King County | 175 | 20 |
| Kitsap County | 41 | 7 |
| Kittitas County | 22 | 2 |
| Okanogan County | 37 | 8 |
| Pierce County | 40 | 9 |
| Skagit County | 11 | 4 |
| Skamania County | 8 | 1 |
| Snohomish County | 31 | 13 |
| Spokane County | 60 | 27 |
| Thurston County | 46 | 15 |
| Whatcom County | 16 | 0 |
Counties with fewer than 8 sites
These counties have no page of their own. The number is their site count.
- Adams County (1)
- Cowlitz County (2)
- Douglas County (3)
- Franklin County (6)
- Jefferson County (3)
- Klickitat County (1)
- Lincoln County (2)
- Mason County (5)
- Pacific County (4)
- Pend Oreille County (1)
- San Juan County (1)
- Stevens County (2)
- Walla Walla County (4)
- Whitman County (7)
- Yakima County (6)
2 sites in Washington have no county in EPA's data.
To see each site in Washington on a map, use the Cleanups in My Community map, on EPA's site.
What this data holds
- Acreage isn't in EPA's national data, so we don't show site sizes.
- We hold no flood data for these sites.
- We show the city and county, not street addresses.
- Zoning: Check zoning with the city.
- Grant recipients report these sites to EPA. A flag is EPA's record, not a site visit.
Go further with a paid plan
A paid plan runs site reports and area scans on the sites you pick. How much we read varies by state.
Starter: US$39 a month for 100 credits. Run full site reports, area scans and letter drops.
Or create a free account first. No card needed.
US EPA data, as of 18 Oct 2026, reported by grant recipients. Not endorsed by EPA. Not legal or environmental advice; confirm with the state or EPA region.