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Licensed synthetic products contractors in Southern California
Every CSLB D-12 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, 279 of 1,081 (25.8%).
| County | Licenses | Active | Share of SoCal |
|---|---|---|---|
| Los Angeles County | 279 | 260 | 25.8% |
| San Diego County | 257 | 244 | 23.8% |
| Orange County | 216 | 210 | 20.0% |
| Riverside County | 209 | 201 | 19.3% |
| San Bernardino County | 120 | 114 | 11.1% |
Synthetic Products (D-12) by city
- San Diego 78
- Los Angeles 37
- Corona 35
- Anaheim 33
- Riverside 32
- Chula Vista 30
- Orange 27
- Santa Ana 25
- Escondido 23
- El Cajon 19
- Ontario 17
- Vista 14
- Temecula 14
- Irvine 13
- Carlsbad 12
- Huntington Beach 12
- Garden Grove 12
- Rancho Cucamonga 11
- Murrieta 11
- Moreno Valley 11
- Perris 11
- Chino 11
- Hemet 11
- La Mesa 10
- Fontana 10
- Tustin 10
- Northridge 9
- Fullerton 9
- Rialto 8
- Lakeside 8
- Norco 8
- Hesperia 7
- San Ysidro 7
- Covina 7
- Long Beach 7
- Whittier 7
- San Marcos 7
- San Bernardino 7
- Torrance 7
- Costa Mesa 7
- San Jacinto 7
- Santa Clarita 6
- San Clemente 6
- Upland 6
- Santa Fe Springs 6
- Menifee 6
- Jurupa Valley 6
- Santee 6
- Lake Elsinore 6
- La Habra 6
- Apple Valley 6
- Wildomar 5
- National City 5
- Glendale 5
- Placentia 5
- Canyon Country 5
- Pomona 5
- Woodland Hills 5
- North Hollywood 5
- Yucaipa 5
No new licenses for Synthetic Products (D-12) across SoCal
None issued Oct 16 – Oct 22, 2026.
Quick facts
How many licensed synthetic products contractors are in Southern California?
1,081 synthetic products contractors with a California CSLB license list a business address in Southern California. 1,029 of them have an active license in good standing (CSLB data as of 10/22/2026).
How many synthetic products contractors in Southern California have a license problem right now?
52 are not in good standing right now, including 17 suspended for missing workers' comp. 78 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 synthetic products 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.