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Earthwork and Paving in Copperopolis, CA

3 records with this classification and Copperopolis as their locality of record, from CSLB's records, as of November 3, 2026.

Source: California Contractors State License Board (CSLB) — records as of November 3, 2026. Records change; the board’s own CSLB License Check is the current source.

• JAMES W SPEYER CLEAR
  License 884569 · expires September 30, 2028
• K J M ENTERPRISES CLEAR
  License 780610 · expires June 30, 2028
• WINFIELD GRADING CLEAR
  License 462758 · expires April 30, 2028