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Brownfield sites in Sonoma County, California
EPA lists 63 brownfield sites in Sonoma County. Grant recipients report them. 7 carry EPA's ready-for-reuse flag.
Zoning: Check zoning with the city.
The sites
Each row is a site name and city, as EPA holds them. Where several sites share a name, the count shows how many.
| Site | City | Sites | EPA flags |
|---|---|---|---|
| Airfield Neighborhood Park | Santa Rosa | 1 | Ready for reuse |
| Atlas Chemical | Sears Point | 1 | None |
| Barrio Logan Expansion Area | Sonoma | 1 | None |
| Berry's Sawmill | Cazadero | 1 | Assessment |
| Breuner Property (Edgewater Technolgy Park) | Sears Point | 1 | None |
| Broadline | Sears Point | 1 | None |
| California Plating | Sears Point | 1 | None |
| Carlson & Beauloye | Sears Point | 1 | None |
| Chestnut Street Property | Santa Rosa | 1 | Targeted assessment |
| Collins Industrial Park | Sears Point | 1 | None |
| Downtown Railroad Trestle | Petaluma | 1 | Assessment |
| Elsie Jackson Trust property | Santa Rosa | 1 | Assessment |
| Forestville Commons | Forestville | 1 | Targeted assessment |
| Former Cotija Restaurant | Petaluma | 1 | Assessment |
| Freethy Industrial Park | Sonoma | 1 | None |
| General Dynamics | Sears Point | 1 | None |
| Haystack Landing | Petaluma | 1 | Assessment |
| Hills Brothers Chemical | Sonoma | 1 | None |
| King Tire Auto Repair and Smog Shop | Santa Rosa | 1 | Assessment |
| Lazy J. Ranch | Sonoma | 1 | None |
| Meadow Park Unit1/Wood Sorrel Project | Petaluma | 1 | Assessment |
| North River Landing | Petaluma | 1 | Assessment |
| Petaluma Police Department | Petaluma | 1 | Ready for reuse, Assessment |
| San Diego Galvanizing | Sears Point | 1 | None |
| Santa Rosa City Hall | Santa Rosa | 1 | None |
| Santa Rosa City Hall Annex | Santa Rosa | 1 | None |
| Santa Rosa Old Bank Building | Santa Rosa | 1 | None |
| Southern California Plating | Sears Point | 1 | None |
| Steele Lane Community Center | Santa Rosa | 1 | None |
| The Martin Property | Petaluma | 1 | Assessment |
| The Miller Property | Petaluma | 1 | Assessment |
| West Holt Ave. | Sears Point | 1 | None |
| Witco Chemical | Sonoma | 1 | None |
| Worden Property | Petaluma | 1 | Assessment |
29 more sites have an address or parcel number as the EPA name. We count them but don't show the name.
To see each site in Sonoma County on a map, use the Cleanups in My Community map, on EPA's site.
EPA flags
| EPA flag | Sites |
|---|---|
| Ready for reuse | 7 |
| Assessment | 26 |
| Cleanup | 0 |
| Targeted assessment | 2 |
| State or tribal program | 0 |
| Multipurpose grant | 0 |
| Area-wide planning | 0 |
A site can carry more than one flag. The grant flags show which kinds of EPA brownfield funding a site is listed under.
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.
- 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.
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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.