HVAC contractor (C-20) in Norwalk, CA

There are 3 HVAC contractor (C-20) licenses with an address of record in Norwalk, CA, in the CSLB License Master data checked Oct 27, 2026. That is 0.2% of the 1,847 such licenses statewide; Norwalk ranks #186 of 425 CA cities for this license type. They are spread across 2 ZIP codes; the most common are 90650 (2), 90560 (1). Most list Los Angeles County. By business type: Sole Owner 2, Corporation 1. The median first-issue year is 2019; the oldest license dates from 2017. 3 of them come up for renewal or expiration in the next 12 months, so re-check status before you sign a contract.

What a HVAC contractor (C-20) license covers

Warm-Air Heating, Ventilating and Air-Conditioning (C-20) covers furnaces, heat pumps, air-conditioning units, ducts and ventilation systems.

How to verify a license

Enter the license number in CSLB Instant License Check and confirm the status is active, the classification matches the work, and the contractor has a current bond and workers' compensation coverage (or a valid exemption). California requires the license number on contracts and advertising. Official lookup: CSLB Instant License Check.

HVAC contractor (C-20) licenses in Norwalk

Showing 3 of 3, A to Z. Listing order is alphabetical, not a recommendation.