How many C45 sign contractors are licensed in California?

California has 917 contractors with a C45 (Sign) license from the Contractors State License Board. 871 (95%) hold active licenses. SiteVetter's C45 license lookup checks each against SAM.gov, OSHA, DOL, and EPA databases.

What does a C45 license cover in California?

A California C45 license covers sign contractors for commercial and roadway signage. Any contractor performing sign work valued at $500 or more must hold this license. The CSLB issues and regulates all contractor licenses in the state.

What percentage of sign contractors have federal violations?

3.4% of California sign contractors (31 out of 917) have at least one record in federal databases. These include SAM.gov debarments, DOL wage violations, OSHA safety citations, and EPA environmental violations.

C45 Sign Contractors in California - Page 2 | CSLB License Lookup

C45 Sign Contractor License Lookup

Use this page when you need a California C45 license lookup, a list of licensed sign contractors, or a quick screen before assigning sign work to a sub. Each row links to a contractor profile with CSLB status, workers' comp, bond, federal records, and permit checks.

California has 917 CSLB C45 license records for sign contractors. 95% currently hold active licenses and 3.4% 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 C45 Sign 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 Sign Work

For sign work, 3.4% 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.

C45 Sign Contractors in California - Page 2

CSLB C45 License Scope

C45 Sign Contractor License Records

C45 Sign Contractor License Lookup

What to Check for C45 Sign Contractors

Why Federal Records Matter for Sign Work