HVAC contractor (C-20) in Buena Park, CA
5 licenses · checked Oct 27, 2026
There are 5 HVAC contractor (C-20) licenses with an address of record in Buena Park, CA, in the CSLB License Master data checked Oct 27, 2026. That is 0.3% of the 1,847 such licenses statewide; Buena Park ranks #99 of 425 CA cities for this license type. They are spread across 2 ZIP codes; the most common are 90621 (4), 90620 (1). Most list Orange County. By business type: Sole Owner 3, Corporation 2. The median first-issue year is 2017; the oldest license dates from 2016. 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 Buena Park
Showing 5 of 5, A to Z. Listing order is alphabetical, not a recommendation.
- A Mechanical Heating & AIR INC#1034818 · 90620
- Convert Temp H V A C Mechnical Service#1023578 · 90621
- ECO - Fresh Hvac INC#1027312 · 90621
- Eugene Y MA#1021607 · 90621
- Leesung Heating & AIR Condition#1062853 · 90621
Frequently asked questions
How many HVAC contractor (C-20) licenses are in Buena Park?
5 active licenses in the CSLB License Master data checked Oct 27, 2026 (0.3% 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 Buena Park?
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 Buena Park HVAC contractor (C-20) licenses expire soon?
3 of 5 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 Buena Park
General building contractor (37) · Electrical contractor (C-10) (9) · Plumbing contractor (C-36) (7) · Painting contractor (C-33) (6) · Flooring contractor (C-15) (6) · General engineering contractor (3) · Tile contractor (C-54) (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.