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

The California Contractors State License Board (CSLB) lists 11 Heating & Air Conditioning (C-20) contractors in Richmond, California. Each links to a full dossier with license status, insurance, bond, and enforcement — as of October 6, 2026.

11 contractors

1. 1ST Gen HVAC LLC

   Richmond, CA · CSLB #1136645 · as of October 6, 2026
   Active · clear
2. Boss Mechanical

   Richmond, CA · CSLB #802730 · as of October 6, 2026
   Active · clear
3. Cal Comfort

   Richmond, CA · CSLB #867824 · as of October 6, 2026
   Active · clear
4. Hi-hvac LLC

   Richmond, CA · CSLB #1154975 · as of October 6, 2026
   Active · clear
5. Honrath & Stacey INC

   Richmond, CA · CSLB #338497 · as of October 6, 2026
   Active · clear
6. Raynard's Appliance Repairs

   Richmond, CA · CSLB #816691 · as of October 6, 2026
   Active · clear
7. R & J Climate Services INC

   Richmond, CA · CSLB #1140094 · as of October 6, 2026
   Active · clear
8. Santizo Heating & Air Conditioning

   Richmond, CA · CSLB #1135278 · as of October 6, 2026
   Active · clear
9. Seaport Stainless

   Richmond, CA · CSLB #406268 · as of October 6, 2026
   Active · clear
10. Velair Heating & Cooling

    Richmond, CA · CSLB #1139910 · as of October 6, 2026
    Active · clear
11. Z Yang Heating & Cooling

    Richmond, CA · CSLB #1145960 · 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.