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

The California Contractors State License Board (CSLB) lists 10 Heating & Air Conditioning (C-20) contractors in Vallejo, California. Each links to a full dossier with license status, insurance, bond, and enforcement — as of June 28, 2026.

10 contractors

1. Creative Comfort Systems

   Vallejo, CA · CSLB #839452 · as of June 28, 2026
   Active · clear
2. G G Heating & Air INC

   Vallejo, CA · CSLB #1073623 · as of June 28, 2026
   Active · clear
3. Golden Gate Technical HVAC

   Vallejo, CA · CSLB #1078021 · as of June 28, 2026
   Active · clear
4. Guido's Service

   Vallejo, CA · CSLB #892930 · as of June 28, 2026
   Active · clear
5. Lee's Sheet Metal Heating & Cooling

   Vallejo, CA · CSLB #600910 · as of June 28, 2026
   Active · clear
6. Murray's HVAC Systems

   Vallejo, CA · CSLB #1107668 · as of June 28, 2026
   Active · clear
7. One Hour Heating & Air Conditioning

   Vallejo, CA · CSLB #1151576 · as of June 28, 2026
   Active · clear
8. S & P Mechanical

   Vallejo, CA · CSLB #915196 · as of June 28, 2026
   Active · clear
9. Sunlightning Heating & Air

   Vallejo, CA · CSLB #1138226 · as of June 28, 2026
   Active · clear
10. A T Mechanical

    Vallejo, CA · CSLB #717720 · as of June 28, 2026
    Suspended · workers' comp

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Data sourced from the California Contractors State License Board (CSLB), current as of June 28, 2026. IsItLicensed is not affiliated with or endorsed by the CSLB or the State of California. Always verify against the official record.