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Licensed low voltage contractors in Southern California
Every CSLB C-7 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, 1,116 of 2,591 (43.1%).
| County | Licenses | Active | Share of SoCal |
|---|---|---|---|
| Los Angeles County | 1,116 | 1,059 | 43.1% |
| Orange County | 518 | 501 | 20.0% |
| San Diego County | 393 | 374 | 15.2% |
| Riverside County | 307 | 291 | 11.8% |
| San Bernardino County | 257 | 242 | 9.9% |
Low Voltage Systems (C-7) by city
- Los Angeles 162
- San Diego 146
- Riverside 61
- Anaheim 54
- Irvine 45
- Orange 40
- Ontario 38
- Corona 38
- Huntington Beach 38
- Torrance 36
- Glendale 35
- Burbank 32
- Escondido 31
- Santa Clarita 29
- Long Beach 29
- El Cajon 29
- Carlsbad 28
- Sherman Oaks 27
- Rancho Cucamonga 26
- Van Nuys 25
- Santa Ana 25
- Costa Mesa 25
- Temecula 24
- Upland 23
- Fontana 22
- Chino 22
- Northridge 21
- Fullerton 21
- Oceanside 21
- Newport Beach 20
- Redondo Beach 19
- Lake Forest 19
- Menifee 19
- Pomona 19
- Murrieta 19
- Woodland Hills 19
- Palm Desert 18
- Chatsworth 18
- Yorba Linda 17
- Palmdale 17
- Pasadena 17
- Lake Elsinore 16
- Whittier 16
- Sylmar 16
- Valencia 15
- Chino Hills 15
- Tustin 15
- San Clemente 15
- Garden Grove 15
- Gardena 15
- San Bernardino 15
- Moreno Valley 15
- Lakeside 14
- Fountain Valley 14
- San Dimas 14
- Santa Fe Springs 14
- West Hills 14
- North Hollywood 14
- Tarzana 14
- Chula Vista 14
3 new licenses for Low Voltage Systems (C-7) across SoCal
Issued Oct 16 – Oct 22, 2026.
Quick facts
How many licensed low voltage contractors are in Southern California?
2,591 low voltage contractors with a California CSLB license list a business address in Southern California. 2,467 of them have an active license in good standing (CSLB data as of 10/22/2026).
How many low voltage contractors in Southern California have a license problem right now?
124 are not in good standing right now, including 30 suspended for missing workers' comp. 183 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 low voltage 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.