Licensed HAZ contractors in Southern California
Every CSLB HAZ 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, 324 of 830 (39.0%).
| County | Licenses | Active | Share of SoCal |
|---|---|---|---|
| Los Angeles County | 324 | 318 | 39.0% |
| Orange County | 210 | 204 | 25.3% |
| San Diego County | 117 | 114 | 14.1% |
| Riverside County | 93 | 86 | 11.2% |
| San Bernardino County | 86 | 86 | 10.4% |
HAZ (HAZ) by city
- Los Angeles 40
- San Diego 31
- Anaheim 28
- Irvine 25
- Riverside 22
- Long Beach 21
- Corona 17
- Santa Ana 15
- Escondido 13
- Brea 13
- Orange 13
- Newport Beach 12
- Yorba Linda 11
- Huntington Beach 11
- Chino 11
- Rancho Cucamonga 10
- Fullerton 10
- San Bernardino 9
- Temecula 9
- Glendale 8
- Santee 8
- El Cajon 8
- Upland 8
- Pasadena 7
- Carlsbad 7
- Burbank 6
- Norco 6
- Ontario 6
- Lake Elsinore 6
- Cerritos 6
- Buena Park 6
- Santa Fe Springs 6
- Gardena 6
- Costa Mesa 6
- Signal Hill 5
- Fountain Valley 5
- Carson 5
- Downey 5
- Pomona 5
- Valencia 5
- Chino Hills 5
- Sylmar 5
- Lancaster 5
- Covina 5
- Murrieta 5
- Apple Valley 5
- Paramount 5
- Santa Clarita 5
- Ramona 5
- La Crescenta 4
- Sun Valley 4
- Sherman Oaks 4
- San Clemente 4
- Westminster 4
- Woodland Hills 4
- Jurupa Valley 4
- Redondo Beach 4
- Vista 4
No new licenses for HAZ (HAZ) across SoCal
None issued Oct 16 – Oct 22, 2026.
Quick facts
How many licensed HAZ contractors are in Southern California?
830 HAZ contractors with a California CSLB license list a business address in Southern California. 808 of them have an active license in good standing (CSLB data as of 10/22/2026).
How many HAZ contractors in Southern California have a license problem right now?
22 are not in good standing right now, including 4 suspended for missing workers' comp. 58 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 HAZ 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.