HVAC contractor (C-20) in Concord, CA
16 licenses · checked Oct 27, 2026
There are 16 HVAC contractor (C-20) licenses with an address of record in Concord, CA, in the CSLB License Master data checked Oct 27, 2026. That is 0.9% of the 1,847 such licenses statewide; Concord ranks #12 of 425 CA cities for this license type. They are spread across 4 ZIP codes; the most common are 94519 (7), 94521 (3), 94520 (3). Most list Contra Costa County. By business type: Corporation 12, Sole Owner 3, Limited Liability 1. The median first-issue year is 2018; the oldest license dates from 2015. 8 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 Concord
Showing 16 of 16, A to Z. Listing order is alphabetical, not a recommendation.
- ATC Mechanical LLC#1043760 · 94519
- Ces-Tech Heating AND Cooling#1042215 · 94521
- Cooling AND Heating Solutions#1053819 · 94519
- East BAY Heating AND Cooling INC#1055076 · 94520
- Ferreira'S Heating AND AIR Conditioning INC#1031063 · 94519
- Gapex INC#1033596 · 94519
- High Tech Plumbing#1021954 · 94519
- Hometown Heating AND AIR Conditioning#1005143 · 94520
- Hvac FOR Les$ Incorporated#1038617 · 94519
- JC Climate Control Technology'S INC#1050705 · 94519
- Panda Hvac#1040824 · 94518
- Philco AIR Control INC#1010853 · 94518
- Polar Mechanical INC#1062744 · 94520
- Sayman Mechanical Systems INC#1045145 · 94521
- Sunia Construction INC#1062476 · 94518
- Thermo H V A C Refrigeration#1024929 · 94521
Frequently asked questions
How many HVAC contractor (C-20) licenses are in Concord?
16 active licenses in the CSLB License Master data checked Oct 27, 2026 (0.9% 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 Concord?
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 Concord HVAC contractor (C-20) licenses expire soon?
8 of 16 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 Concord
General building contractor (74) · Electrical contractor (C-10) (14) · Plumbing contractor (C-36) (11) · Painting contractor (C-33) (11) · Landscaping contractor (C-27) (10) · General engineering contractor (7) · Glazing contractor (C-17) (6) · Low-voltage contractor (C-7) (5) · Flooring contractor (C-15) (3) · Concrete contractor (C-8) (3) · Fire protection contractor (C-16) (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.