
HVAC contractor (C-20) in Lake Forest, CA
6 licenses · checked Oct 27, 2026
There are 6 HVAC contractor (C-20) licenses with an address of record in Lake Forest, CA, in the CSLB License Master data checked Oct 27, 2026. That is 0.3% of the 1,847 such licenses statewide; Lake Forest ranks #81 of 425 CA cities for this license type. Most list Orange County. By business type: Corporation 4, Sole Owner 2. The median first-issue year is 2017; the oldest license dates from 2015. 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 Lake Forest
Showing 6 of 6, A to Z. Listing order is alphabetical, not a recommendation.
- 1ST Choice Heating & AIR Conditioning INC#1006824 · 92630
- Accolade AIR INC#1005513 · 92630
- B B Hvac#1063827 · 92630
- Jato Construction#1045767 · 92630
- Martinez Service Hvac#1030354 · 92630
- Olson Superior Plumbing INC#1045399 · 92630
Frequently asked questions
How many HVAC contractor (C-20) licenses are in Lake Forest?
6 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 Lake Forest?
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 Lake Forest HVAC contractor (C-20) licenses expire soon?
3 of 6 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 Lake Forest
General building contractor (33) · Electrical contractor (C-10) (12) · General engineering contractor (6) · Plumbing contractor (C-36) (6) · Low-voltage contractor (C-7) (5) · Landscaping contractor (C-27) (4) · Tile contractor (C-54) (4) · Concrete contractor (C-8) (3) · Cabinet and finish carpentry contractor (C-6) (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.