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

The California Contractors State License Board (CSLB) lists 62 Heating & Air Conditioning (C-20) contractors in Rancho Cucamonga, California. Each links to a full dossier with license status, insurance, bond, and enforcement — as of June 27, 2026.

Showing 61–62 of 62 contractors

1. One HVAC SYS CO

   Rancho Cucamonga, CA · CSLB #1133731 · as of June 27, 2026
   Suspended · workers' comp
2. Velocity HVAC INC

   Rancho Cucamonga, CA · CSLB #1127506 · as of June 27, 2026
   Suspended · workers' comp

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.