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

The California Contractors State License Board (CSLB) lists 11 Heating & Air Conditioning (C-20) contractors in Alta Loma, California. Each links to a full dossier with license status, insurance, bond, and enforcement — as of June 27, 2026.

11 contractors

1. A C Perfections INC

   Alta Loma, CA · CSLB #990700 · as of June 27, 2026
   Active · clear
2. Airqwest Heating & Air Conditioning

   Alta Loma, CA · CSLB #642216 · as of June 27, 2026
   Active · clear
3. DM Mechanical INC

   Alta Loma, CA · CSLB #1104592 · as of June 27, 2026
   Active · clear
4. Environmental Control

   Alta Loma, CA · CSLB #850262 · as of June 27, 2026
   Active · clear
5. Helping Hand Services

   Alta Loma, CA · CSLB #980121 · as of June 27, 2026
   Active · clear
6. Mark's A / C Services

   Alta Loma, CA · CSLB #828077 · as of June 27, 2026
   Active · clear
7. Rosati S I Air Conditioning

   Alta Loma, CA · CSLB #371026 · as of June 27, 2026
   Active · clear
8. Armando Salcedo

   Alta Loma, CA · CSLB #844176 · as of June 27, 2026
   Active · clear
9. Smart Heating & Cooling Solutions

   Alta Loma, CA · CSLB #1067848 · as of June 27, 2026
   Active · clear
10. Soco Air Conditioning Company

    Alta Loma, CA · CSLB #1035698 · as of June 27, 2026
    Active · clear
11. South Coast Air Conditioning

    Alta Loma, CA · CSLB #879675 · as of June 27, 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 June 27, 2026. IsItLicensed is not affiliated with or endorsed by the CSLB or the State of California. Always verify against the official record.