HVAC contractor (C-20) in San Diego, CA

40 licenses · checked Oct 27, 2026

There are 40 HVAC contractor (C-20) licenses with an address of record in San Diego, CA, in the CSLB License Master data checked Oct 27, 2026. That is 2.2% of the 1,847 such licenses statewide; San Diego ranks #3 of 425 CA cities for this license type. They are spread across 27 ZIP codes; the most common are 92154 (4), 92109 (3), 92114 (2). Most list San Diego County. By business type: Corporation 25, Sole Owner 11, Limited Liability 4. The median first-issue year is 2017; the oldest license dates from 2015. 28 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 San Diego

Showing 40 of 40, A to Z. Listing order is alphabetical, not a recommendation.

Frequently asked questions

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

40 active licenses in the CSLB License Master data checked Oct 27, 2026 (2.2% 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 San Diego?

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 San Diego HVAC contractor (C-20) licenses expire soon?

28 of 40 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 San Diego

General building contractor (373) · Electrical contractor (C-10) (91) · Plumbing contractor (C-36) (78) · Painting contractor (C-33) (74) · Landscaping contractor (C-27) (61) · Flooring contractor (C-15) (43) · General engineering contractor (42) · Low-voltage contractor (C-7) (24) · Tile contractor (C-54) (20) · Concrete contractor (C-8) (16) · Roofing contractor (C-39) (14) · Cabinet and finish carpentry contractor (C-6) (14)

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.