Licensed sign contractors in Southern California
Every CSLB C-45 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, 243 of 540 (45.0%).
| County | Licenses | Active | Share of SoCal |
|---|---|---|---|
| Los Angeles County | 243 | 232 | 45.0% |
| Orange County | 114 | 107 | 21.1% |
| San Diego County | 78 | 77 | 14.4% |
| San Bernardino County | 57 | 55 | 10.6% |
| Riverside County | 48 | 46 | 8.9% |
Sign (C-45) by city
- Los Angeles 36
- San Diego 29
- Anaheim 18
- Corona 11
- Santa Ana 11
- Van Nuys 11
- South El Monte 10
- Riverside 9
- Burbank 9
- El Cajon 8
- Ontario 7
- Long Beach 7
- Santee 7
- Orange 7
- Canoga Park 7
- Glendale 6
- Escondido 6
- Murrieta 6
- Garden Grove 6
- San Bernardino 6
- El Monte 6
- Westminster 5
- North Hollywood 5
- Victorville 5
- Valencia 5
- Redondo Beach 5
- Gardena 5
- Torrance 5
- Huntington Beach 5
- Rialto 5
- Chatsworth 5
- Irvine 5
- Buena Park 4
- Pasadena 4
- Stanton 4
- Chula Vista 4
- Palmdale 4
- Upland 4
- Fullerton 4
- Perris 4
- San Marcos 4
- Apple Valley 3
- Laguna Hills 3
- Sunland 3
- Azusa 3
- San Clemente 3
- Canyon Country 3
- Seal Beach 3
- Sylmar 3
- Yorba Linda 3
- Whittier 3
- La Mesa 3
- La Puente 3
- Temecula 3
- Poway 3
- Mission Viejo 3
- Lancaster 3
- Northridge 3
- Rancho Cucamonga 3
- Sun Valley 3
1 new license for Sign (C-45) across SoCal
Issued Oct 16 – Oct 22, 2026.
Quick facts
How many licensed sign contractors are in Southern California?
540 sign contractors with a California CSLB license list a business address in Southern California. 517 of them have an active license in good standing (CSLB data as of 10/22/2026).
How many sign contractors in Southern California have a license problem right now?
23 are not in good standing right now, including 7 suspended for missing workers' comp. 36 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 sign 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.