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

The California Contractors State License Board (CSLB) lists 3 Concrete (C-8) contractors in Walnut, California. Each links to a full dossier with license status, insurance, bond, and enforcement — as of June 27, 2026.

3 contractors

1. Claypool Frank Concrete Cutting INC

   Walnut, CA · CSLB #938332 · as of June 27, 2026
   Active · clear
2. MC Bobcat Concrete Services INC

   Walnut, CA · CSLB #853899 · as of June 27, 2026
   Active · clear
3. Ziming Concrete

   Walnut, CA · CSLB #1097992 · as of June 27, 2026
   Suspended · workers' comp

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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.