Columbia County construction: bids, contractors and projects
WSDOT lettings, registered contractors and project news for Columbia County, Washington, updated daily from public records.
Columbia County is part of our South Central Region coverage area and falls under WSDOT South Central Region, headquartered in Union Gap. L&I's contractor data lists 39 construction contractors with a Columbia County address: 33 registered general contractors and 6 registered specialty, electrical and plumbing contractors. The largest single group is Washington registered general contractor (33). Most are based in Dayton, Starbuck.
WSDOT's advertised letting schedule has no Columbia County proposals posted right now.
Upcoming WSDOT lettings in Columbia County
No upcoming advertised proposals are posted for Columbia County. Get the daily brief to hear when one is.
Contractors based in Columbia County
Counts come from Washington L&I's contractor license data (active construction, electrical and plumbing contractor registrations with an address whose ZIP code is in Columbia County). Contractors registered with the General specialty are counted as general contractors; the rest as specialty contractors.
- Washington registered general contractor: 33
- Washington electrical contractor: 3
- Washington plumbing contractor: 2
- Washington registered specialty contractor: 1
Find Columbia County subcontractors Find Columbia County general contractors
Columbia County project news
No Columbia County stories yet. Have a project to report? Send us the details.
How to bid public work in Columbia County
State highway work in Columbia County is let by WSDOT; the county is in WSDOT's South Central Region (WSDOT regions). WSDOT requires prequalification to bid on highway contracts. See how to bid WSDOT contracts.
State agencies buy through WEBS (see the supplier registration guide).
Statewide rules that apply here
Nearby counties
South Central Region region: Asotin 路 Benton 路 Franklin 路 Garfield 路 Kittitas 路 Walla Walla 路 Yakima
Also in WSDOT Region 5: (same as above)