Licensed Heating & Air Conditioning (C-20) contractors in Clayton, CA

The California Contractors State License Board (CSLB) lists 6 Heating & Air Conditioning (C-20) contractors in Clayton, California. Each links to a full dossier with license status, insurance, bond, and enforcement — as of October 6, 2026.

6 contractors

1. 411 Heating & Ac LLC

   Clayton, CA · CSLB #993500 · as of October 6, 2026
   Active · clear
2. Apodaca Mechanical

   Clayton, CA · CSLB #765801 · as of October 6, 2026
   Active · clear
3. Ariel HVAC Solutions INC

   Clayton, CA · CSLB #1085951 · as of October 6, 2026
   Active · clear
4. Clayton Brothers Heating And Air INC

   Clayton, CA · CSLB #838282 · as of October 6, 2026
   Active · clear
5. Clayton Valley Mechanical Heating And Air Conditioning

   Clayton, CA · CSLB #507324 · as of October 6, 2026
   Active · clear
6. Polar Air Services

   Clayton, CA · CSLB #974017 · 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.