California contractor license
CASTELLI CONSTRUCTION
- B General Building
CASTELLI CONSTRUCTION is a B General Building contractor in Sonoma, Sonoma County, licensed in California for 44 years (since 1982). As of Jan 14, 2026, the license is active with an expiration date of Sep 30, 2026 on record and a license bond is on file.
CASTELLI CONSTRUCTIONB General Building · checked Jan 14, 2026
ActiveLicense number#428801
Licensed sinceOct 5, 1982
Years licensed44 years
Expiration on recordSep 30, 2026
City and countySonoma, Sonoma 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 14, 2026.