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

The California Contractors State License Board (CSLB) lists 4 Heating & Air Conditioning (C-20) contractors in Aliso Viejo, California. Each links to a full dossier with license status, insurance, bond, and enforcement — as of October 6, 2026.

4 contractors

1. 21st Century Air Master H V A C INC

   Aliso Viejo, CA · CSLB #981744 · as of October 6, 2026
   Active · clear
2. Balboa Air

   Aliso Viejo, CA · CSLB #1143944 · as of October 6, 2026
   Active · clear
3. Frontier Heating & Air Conditioning

   Aliso Viejo, CA · CSLB #1123276 · as of October 6, 2026
   Active · clear
4. Oc Smart Temp Service

   Aliso Viejo, CA · CSLB #1151021 · as of October 6, 2026
   Active · clear

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Data sourced from the California Contractors State License Board (CSLB), current as of October 6, 2026. IsItLicensed is not affiliated with or endorsed by the CSLB or the State of California. Always verify against the official record.