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

The California Contractors State License Board (CSLB) lists 4 Heating & Air Conditioning (C-20) contractors in Wilmington, California. Each links to a full dossier with license status, insurance, bond, and enforcement — as of June 28, 2026.

4 contractors

1. Harbor Mechanical LLC

   Wilmington, CA · CSLB #1057086 · as of June 28, 2026
   Active · clear
2. Quality Refrigeration Company INC

   Wilmington, CA · CSLB #667341 · as of June 28, 2026
   Active · clear
3. Urso Air Systems INC

   Wilmington, CA · CSLB #961408 · as of June 28, 2026
   Active · clear
4. Salas Heating & Air Conditioning

   Wilmington, CA · CSLB #959946 · as of June 28, 2026
   Suspended · bond

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

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.