HVAC contractor (C-20) in Glendale, CA

19 licenses · checked Oct 27, 2026

There are 19 HVAC contractor (C-20) licenses with an address of record in Glendale, CA, in the CSLB License Master data checked Oct 27, 2026. That is 1.0% of the 1,847 such licenses statewide; Glendale ranks #9 of 425 CA cities for this license type. They are spread across 10 ZIP codes; the most common are 91201 (4), 91221 (2), 91208 (2). Most list Los Angeles County. By business type: Corporation 16, Sole Owner 3. The median first-issue year is 2018; the oldest license dates from 2015. 7 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 Glendale

Showing 19 of 19, A to Z. Listing order is alphabetical, not a recommendation.

Frequently asked questions

How many HVAC contractor (C-20) licenses are in Glendale?

19 active licenses in the CSLB License Master data checked Oct 27, 2026 (1.0% of CA).

What does a HVAC contractor (C-20) license cover?

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

How do I verify a HVAC contractor (C-20) license in Glendale?

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. Use the license number shown here with the CSLB Instant License Check.

How many Glendale HVAC contractor (C-20) licenses expire soon?

7 of 19 have an expiration date in the next 12 months. A license that lapses must be renewed before the holder can work under it again.

Other license types in Glendale

General building contractor (84) · Electrical contractor (C-10) (41) · Plumbing contractor (C-36) (22) · Painting contractor (C-33) (11) · Fire protection contractor (C-16) (10) · General engineering contractor (9) · Cabinet and finish carpentry contractor (C-6) (4) · Roofing contractor (C-39) (3) · Concrete contractor (C-8) (3)

All HVAC contractor (C-20) licenses in CA →

Source: CSLB License Master. Licensed California is independent and not affiliated with the licensing agency. Data checked Oct 27, 2026.