California contractor license
CORNERSTONE BUILDING INC
- B General Building
CORNERSTONE BUILDING INC is a B General Building contractor in Janesville, Lassen County, licensed in California for 1 year (since 2025). As of Jun 4, 2026, the license is active with an expiration date of Apr 30, 2027 on record and a license bond is on file.
CORNERSTONE BUILDING INCB General Building · checked Jun 4, 2026
ActiveLicense number#1136487
Licensed sinceApr 23, 2025
Years licensed1 year
Expiration on recordApr 30, 2027
City and countyJanesville, Lassen 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 Jun 4, 2026.