California contractor license
CHONGSON CONSTRUCTION INC
- B General Building
CHONGSON CONSTRUCTION INC is a B General Building contractor in San Francisco, San Francisco County, licensed in California for 34 years (since 1992). As of Feb 24, 2026, the license is active with an expiration date of Mar 31, 2027 on record and a license bond is on file.
CHONGSON CONSTRUCTION INCB General Building · checked Feb 24, 2026
ActiveLicense number#642065
Licensed sinceApr 11, 1992
Years licensed34 years
Expiration on recordMar 31, 2027
City and countySan Francisco, San Francisco 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 Feb 24, 2026.