California contractor license
D A MC COSKER CONSTRUCTION CO
- A General Engineering
- C12 Earthwork And Paving
- HAZ Hazardous Substances Removal
D A MC COSKER CONSTRUCTION CO is an A General Engineering, C12 Earthwork And Paving and HAZ Hazardous Substances Removal contractor in Concord, Contra Costa County, licensed in California for 63 years (since 1963). As of Apr 1, 2026, the license is active with an expiration date of Jul 31, 2027 on record and a license bond is on file.
D A MC COSKER CONSTRUCTION COA General Engineering · C12 Earthwork And Paving · HAZ Hazardous Substances Removal · checked Apr 1, 2026
ActiveLicense number#215611
Licensed sinceFeb 28, 1963
Years licensed63 years
Expiration on recordJul 31, 2027
City and countyConcord, 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 Apr 1, 2026.