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

The California Contractors State License Board (CSLB) lists 9 Heating & Air Conditioning (C-20) contractors in Discovery Bay, California. Each links to a full dossier with license status, insurance, bond, and enforcement — as of October 6, 2026.

9 contractors

1. A G Heating & Air Conditioning

   Discovery Bay, CA · CSLB #871499 · as of October 6, 2026
   Active · clear
2. Air Brothers Mechanical INC

   Discovery Bay, CA · CSLB #1034383 · as of October 6, 2026
   Active · clear
3. Air Masters Heating And Air Conditioning INC

   Discovery Bay, CA · CSLB #873520 · as of October 6, 2026
   Active · clear
4. Ambient Air INC

   Discovery Bay, CA · CSLB #789422 · as of October 6, 2026
   Active · clear
5. Delta Climate Control

   Discovery Bay, CA · CSLB #940106 · as of October 6, 2026
   Active · clear
6. Fairway

   Discovery Bay, CA · CSLB #479802 · as of October 6, 2026
   Active · clear
7. Family Heating And Cooling LLC

   Discovery Bay, CA · CSLB #1115480 · as of October 6, 2026
   Active · clear
8. J T Gaddis Heating & Air

   Discovery Bay, CA · CSLB #727515 · as of October 6, 2026
   Active · clear
9. Hi Tech Environmental Heating & Air

   Discovery Bay, CA · CSLB #1049623 · as of October 6, 2026
   Active · clear

See all Heating & Air Conditioning (C-20) contractors in California →

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.