California contractor license
COWAN & THOMPSON CONSTRUCTION INC
- A General Engineering
- C12 Earthwork And Paving
COWAN & THOMPSON CONSTRUCTION INC is an A General Engineering and C12 Earthwork And Paving contractor in Martinez, Contra Costa County, licensed in California for 36 years (since 1990). As of May 26, 2026, the license is active with an expiration date of Jun 30, 2028 on record and a license bond is on file.
COWAN & THOMPSON CONSTRUCTION INCA General Engineering · C12 Earthwork And Paving · checked May 26, 2026
ActiveLicense number#595745
Licensed sinceJun 7, 1990
Years licensed36 years
Expiration on recordJun 30, 2028
City and countyMartinez, Contra Costa County
License bondOn file
ProjectsNone on file
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Source: California Contractors State License Board (CSLB) and City of Los Angeles permit records. Last updated May 26, 2026.