How many D52 traffic signals contractors are licensed in California?

California has 1,597 contractors with a D52 (Traffic Signals) license from the Contractors State License Board. 1,518 (95%) hold active licenses. SiteVetter's D52 license lookup checks each against SAM.gov, OSHA, DOL, and EPA databases.

What does a D52 license cover in California?

A California D52 license covers traffic signal and street light contractors. Any contractor performing traffic signals work valued at $500 or more must hold this license. The CSLB issues and regulates all contractor licenses in the state.

What percentage of traffic signals contractors have federal violations?

0.7% of California traffic signals contractors (11 out of 1,597) have at least one record in federal databases. These include SAM.gov debarments, DOL wage violations, OSHA safety citations, and EPA environmental violations.

D52 Traffic Signals Contractors in California - Page 2 | CSLB License Lookup

D52 Traffic Signals Contractor License Lookup

Use this page when you need a California D52 license lookup, a list of licensed traffic signals contractors, or a quick screen before assigning traffic signals work to a sub. Each row links to a contractor profile with CSLB status, workers' comp, bond, federal records, and permit checks.

California has 1,597 CSLB D52 license records for traffic signals contractors. 95% currently hold active licenses and 0.7% have at least one federal compliance record. SiteVetter checks CSLB status, SAM.gov debarment, DOL wage violations, OSHA safety citations, EPA environmental records, and building permits in seconds.

What to Check for D52 Traffic Signals Contractors

Verify the contractor license is active and in good standing
Request proof of insurance and bonding
Get at least 3 written quotes before selecting a contractor
Check federal databases: SAM.gov, OSHA, DOL, and EPA records
Confirm bond: California requires $25,000+ contractor bond (SB 607)

Why Federal Records Matter for Traffic Signals Work

For traffic signals work, 0.7% of licensed contractors have federal records that a standard CSLB license check would not reveal. SiteVetter's 6-source lookup gives GCs a faster way to compare subs before bid award, onboarding, or renewal review.

D52 Traffic Signals Contractors in California - Page 2

CSLB D52 License Scope

D52 Traffic Signals Contractor License Records

D52 Traffic Signals Contractor License Lookup

What to Check for D52 Traffic Signals Contractors

Why Federal Records Matter for Traffic Signals Work