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Licensed HVAC contractors in Southern California
Every CSLB C-20 license with a business address in Los Angeles, Orange, San Diego, Riverside or San Bernardino County, from CSLB data updated 10/22/2026.
By county
Los Angeles County has the most, 3,019 of 6,897 (43.8%).
| County | Licenses | Active | Share of SoCal |
|---|---|---|---|
| Los Angeles County | 3,019 | 2,873 | 43.8% |
| Riverside County | 1,193 | 1,127 | 17.3% |
| Orange County | 1,049 | 1,000 | 15.2% |
| San Diego County | 926 | 883 | 13.4% |
| San Bernardino County | 710 | 681 | 10.3% |
Warm-Air Heating, Ventilating & Air-Conditioning (HVAC) (C-20) by city
- Los Angeles 280
- San Diego 249
- Riverside 208
- Anaheim 160
- Glendale 133
- Corona 110
- El Cajon 107
- Escondido 98
- Orange 85
- Murrieta 82
- Rancho Cucamonga 79
- Van Nuys 74
- Huntington Beach 74
- Long Beach 73
- Lancaster 72
- Indio 70
- Irvine 70
- Burbank 70
- Moreno Valley 70
- Woodland Hills 66
- Chula Vista 65
- Palm Desert 62
- North Hollywood 61
- Santa Ana 60
- Whittier 60
- Temecula 59
- Sylmar 57
- Santa Clarita 56
- Northridge 56
- Palmdale 55
- Garden Grove 54
- Torrance 53
- San Bernardino 53
- Ontario 52
- Fullerton 51
- Chino 51
- Upland 50
- Chatsworth 50
- Fontana 49
- Chino Hills 47
- Pasadena 47
- West Covina 46
- Oceanside 42
- Canyon Country 42
- Lake Elsinore 41
- Menifee 41
- Granada Hills 40
- Canoga Park 40
- Perris 39
- Vista 38
- Tarzana 37
- Costa Mesa 37
- West Hills 36
- Glendora 36
- Brea 36
- Apple Valley 35
- Sun Valley 34
- Hemet 34
- Lakeside 33
- Reseda 33
4 new licenses for Warm-Air Heating, Ventilating & Air-Conditioning (HVAC) (C-20) across SoCal
Issued Oct 16 – Oct 22, 2026.
Quick facts
How many licensed HVAC contractors are in Southern California?
6,897 HVAC contractors with a California CSLB license list a business address in Southern California. 6,564 of them have an active license in good standing (CSLB data as of 10/22/2026).
How many HVAC contractors in Southern California have a license problem right now?
333 are not in good standing right now, including 224 suspended for missing workers' comp. 425 active licenses expire within 90 days. Each county and city list linked here shows the status and a plain-English OK-to-hire verdict.
How do I check if a HVAC contractor is licensed?
Search the business name or license number on LicenseWatch CA to see license status, bond and workers' comp in one place, then confirm on the CSLB website before you sign a contract. In California, work over $1,000 in labor and materials requires a licensed contractor.
New and lapsed SoCal licenses, every Monday
New licenses, expirations and workers' comp lapses across five counties. One short email a week.