Licensed Concrete (C-8) contractors in Sonora, CA

The California Contractors State License Board (CSLB) lists 3 Concrete (C-8) contractors in Sonora, California. Each links to a full dossier with license status, insurance, bond, and enforcement — as of October 7, 2026.

3 contractors

1. Concrete Innovations INC

   Sonora, CA · CSLB #606674 · as of October 7, 2026
   Active · open complaint
2. K & D London Concrete INC

   Sonora, CA · CSLB #777241 · as of October 7, 2026
   Active · clear
3. Marc Mathis

   Sonora, CA · CSLB #988978 · as of October 7, 2026
   Active · clear

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Data sourced from the California Contractors State License Board (CSLB), current as of October 7, 2026. IsItLicensed is not affiliated with or endorsed by the CSLB or the State of California. Always verify against the official record.