Licensed General Building (B) contractors in Frederick, CA

The California Contractors State License Board (CSLB) lists 2 General Building (B) contractors in Frederick, California. Each links to a full dossier with license status, insurance, bond, and enforcement — as of June 27, 2026.

2 contractors

1. John Heisner Construction

   Frederick, CA · CSLB #870725 · as of June 27, 2026
   Active · clear
2. Mark Young Construction LLC

   Frederick, CA · CSLB #1071400 · as of June 27, 2026
   Suspended

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Data sourced from the California Contractors State License Board (CSLB), current as of June 27, 2026. IsItLicensed is not affiliated with or endorsed by the CSLB or the State of California. Always verify against the official record.