Licensed Earthwork & Paving (C-12) contractors in Copperopolis, CA

The California Contractors State License Board (CSLB) lists 3 Earthwork & Paving (C-12) contractors in Copperopolis, California. Each links to a full dossier with license status, insurance, bond, and enforcement — as of October 6, 2026.

3 contractors

1. K J M Enterprises

   Copperopolis, CA · CSLB #780610 · as of October 6, 2026
   Active · clear
2. James W Speyer

   Copperopolis, CA · CSLB #884569 · as of October 6, 2026
   Active · clear
3. Winfield Grading

   Copperopolis, CA · CSLB #462758 · as of October 6, 2026
   Active · clear

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Data sourced from the California Contractors State License Board (CSLB), current as of October 6, 2026. IsItLicensed is not affiliated with or endorsed by the CSLB or the State of California. Always verify against the official record.