California contractor license
INSTONE MANUFACTURING INC
- C54 Tile (Ceramic And Mosaic)
INSTONE MANUFACTURING INC is a C54 Tile (Ceramic And Mosaic) contractor in San Leandro, Alameda County, licensed in California for 29 years (since 1997). As of May 26, 2026, the license is active with an expiration date of Jun 30, 2028 on record and a license bond is on file.
INSTONE MANUFACTURING INCC54 Tile (Ceramic And Mosaic) · checked May 26, 2026
ActiveLicense number#738175
Licensed sinceJul 17, 1997
Years licensed29 years
Expiration on recordJun 30, 2028
City and countySan Leandro, Alameda 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 May 26, 2026.