HVAC contractor (C-20) in Montebello, CA
6 licenses · checked Oct 27, 2026
There are 6 HVAC contractor (C-20) licenses with an address of record in Montebello, CA, in the CSLB License Master data checked Oct 27, 2026. That is 0.3% of the 1,847 such licenses statewide; Montebello ranks #85 of 425 CA cities for this license type. They are spread across 2 ZIP codes; the most common are 90640 (5), 90604 (1). Most list Los Angeles County. By business type: Corporation 5, Sole Owner 1. The median first-issue year is 2017; the oldest license dates from 2015. 5 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 Montebello
Showing 6 of 6, A to Z. Listing order is alphabetical, not a recommendation.
- AIR Conditioning Technology INC#1050285 · 90640
- Alpine MFG Group Incorporated#1008567 · 90604
- Alturas Heating Ventilation & AIR Conditioning#1022352 · 90640
- HAR Mechanical INC#1055668 · 90640
- Siya AIR Conditioning & Heating#1045067 · 90640
- Western Indoor Environmental Services#1001877 · 90640
Frequently asked questions
How many HVAC contractor (C-20) licenses are in Montebello?
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 Montebello?
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 Montebello HVAC contractor (C-20) licenses expire soon?
5 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 Montebello
General building contractor (13) · Electrical contractor (C-10) (5)
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.