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

The California Contractors State License Board (CSLB) lists 8 Heating & Air Conditioning (C-20) contractors in San Carlos, California. Each links to a full dossier with license status, insurance, bond, and enforcement — as of October 7, 2026.

8 contractors

1. Alternative Heating And Air Conditioning Solutions INC

   San Carlos, CA · CSLB #967878 · as of October 7, 2026
   Active · clear
2. Degree H V A C INC

   San Carlos, CA · CSLB #886908 · as of October 7, 2026
   Active · clear
3. Forced Air Systems INC

   San Carlos, CA · CSLB #866393 · as of October 7, 2026
   Active · clear
4. J W Heating And Air Conditioning LLC

   San Carlos, CA · CSLB #832485 · as of October 7, 2026
   Active · clear
5. M J Mechanical Services INC

   San Carlos, CA · CSLB #853653 · as of October 7, 2026
   Active · clear
6. Service Unlimited INC

   San Carlos, CA · CSLB #456636 · as of October 7, 2026
   Active · clear
7. Bay Air H V A C Services

   San Carlos, CA · CSLB #759062 · as of October 7, 2026
   Suspended · workers' comp
8. C T C Design INC

   San Carlos, CA · CSLB #861385 · as of October 7, 2026
   Suspended · workers' comp

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Data sourced from the California Contractors State License Board (CSLB), current as of October 7, 2026. IsItLicensed is not affiliated with or endorsed by the CSLB or the State of California. Always verify against the official record.