California contractor license
JAMES A MAYO CONSTRUCTION
- B General Building
JAMES A MAYO CONSTRUCTION is a B General Building contractor in Concord, Contra Costa County, licensed in California for 38 years (since 1987). As of Jan 5, 2026, the license is active with an expiration date of Dec 31, 2027 on record and a license bond is on file.
JAMES A MAYO CONSTRUCTIONB General Building · checked Jan 5, 2026
ActiveLicense number#521629
Licensed sinceDec 11, 1987
Years licensed38 years
Expiration on recordDec 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 Jan 5, 2026.