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

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

8 contractors

1. Copeland Mechanical INC

   Newark, CA · CSLB #1121136 · as of October 8, 2026
   Active · clear
2. Duke's Heating & Air Conditioning LLC

   Newark, CA · CSLB #860923 · as of October 8, 2026
   Active · clear
3. Ead HVAC

   Newark, CA · CSLB #1143885 · as of October 8, 2026
   Active · clear
4. Elliott Air Systems INC

   Newark, CA · CSLB #838044 · as of October 8, 2026
   Active · clear
5. Glover & Son Heating & Air Conditioning INC

   Newark, CA · CSLB #758274 · as of October 8, 2026
   Active · clear
6. JSB Mechanical

   Newark, CA · CSLB #251305 · as of October 8, 2026
   Active · clear
7. Musial Heating & Air INC

   Newark, CA · CSLB #844028 · as of October 8, 2026
   Active · clear
8. Humble

   Newark, CA · CSLB #1069420 · as of October 8, 2026
   Suspended · workers' comp

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Data sourced from the California Contractors State License Board (CSLB), current as of October 8, 2026. IsItLicensed is not affiliated with or endorsed by the CSLB or the State of California. Always verify against the official record.