Home › Trades › Reinforcing Steel
Licensed reinforcing steel contractors in Southern California
Every CSLB C-50 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, 51 of 167 (30.5%).
| County | Licenses | Active | Share of SoCal |
|---|---|---|---|
| Los Angeles County | 51 | 47 | 30.5% |
| Riverside County | 39 | 38 | 23.4% |
| San Bernardino County | 31 | 31 | 18.6% |
| San Diego County | 27 | 26 | 16.2% |
| Orange County | 19 | 19 | 11.4% |
Reinforcing Steel (C-50) by city
- Ontario 7
- Perris 6
- San Diego 6
- Corona 6
- Long Beach 5
- Santa Ana 5
- Riverside 5
- Fontana 4
- Beaumont 4
- Downey 4
- Santa Fe Springs 4
- Los Angeles 4
- Santee 3
- Carlsbad 3
- Lancaster 3
- San Bernardino 3
- Jurupa Valley 3
- Escondido 3
- Rialto 3
- Anaheim 3
- San Marcos 2
- Palmdale 2
- Bloomington 2
- Montebello 2
- Nuevo 2
- Chula Vista 2
- Huntington Beach 2
- Norco 2
- Norwalk 2
- Wilmington 2
- Hesperia 2
- El Cajon 2
- Pomona 2
- Winchester 2
- Temecula 2
- Crestline 2
- Alta Loma 2
- Los Alamitos 2
- Poway 2
- Menifee 1
- Signal Hill 1
- Victorville 1
- Panorama City 1
- Canoga Park 1
- Upland 1
- Garden Grove 1
- Jamul 1
- Rancho Cucamonga 1
- Manhattan Beach 1
- Oceanside 1
- Lynwood 1
- San Jacinto 1
- Eastvale 1
- El Monte 1
- Compton 1
- Cherry Valley 1
- La Puente 1
- Moreno Valley 1
- Lawndale 1
- Mission Viejo 1
No new licenses for Reinforcing Steel (C-50) across SoCal
None issued Oct 16 – Oct 22, 2026.
Quick facts
How many licensed reinforcing steel contractors are in Southern California?
167 reinforcing steel contractors with a California CSLB license list a business address in Southern California. 161 of them have an active license in good standing (CSLB data as of 10/22/2026).
How many reinforcing steel contractors in Southern California have a license problem right now?
6 are not in good standing right now. 16 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 reinforcing steel 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.