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

The California Contractors State License Board (CSLB) lists 8 Heating & Air Conditioning (C-20) contractors in Sonora, California. Each links to a full dossier with license status, insurance, bond, and enforcement — as of October 7, 2026.

8 contractors

1. Buds Heating & Air

   Sonora, CA · CSLB #1050993 · as of October 7, 2026
   Active · clear
2. California Comfort

   Sonora, CA · CSLB #867656 · as of October 7, 2026
   Active · clear
3. Comphel Heating And Air Conditioning INC

   Sonora, CA · CSLB #425077 · as of October 7, 2026
   Active · clear
4. Gatewood Heating & Air INC

   Sonora, CA · CSLB #961679 · as of October 7, 2026
   Active · clear
5. Ladislav Niedziolka

   Sonora, CA · CSLB #1160258 · as of October 7, 2026
   Active · clear
6. Newkirk's Plumbing

   Sonora, CA · CSLB #1125379 · as of October 7, 2026
   Active · clear
7. Vann's Mechanical

   Sonora, CA · CSLB #1081005 · as of October 7, 2026
   Active · clear
8. Wayne Waters Plumbing INC

   Sonora, CA · CSLB #463958 · as of October 7, 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 7, 2026. IsItLicensed is not affiliated with or endorsed by the CSLB or the State of California. Always verify against the official record.