How many sheet metal contractors are licensed in California?

California has 1,346 contractors with a C43 (Sheet Metal) license from the Contractors State License Board. 1,291 (96%) hold active licenses. SiteVetter checks each against SAM.gov, OSHA, DOL, and EPA databases.

What does a C43 license cover in California?

A California C43 license covers sheet metal contractors for ductwork and metal fabrication. Any contractor performing sheet metal work valued at $500 or more must hold this license. The CSLB issues and regulates all contractor licenses in the state.

What percentage of sheet metal contractors have federal violations?

13.1% of California sheet metal contractors (176 out of 1,346) have at least one record in federal databases. These include SAM.gov debarments, DOL wage violations, OSHA safety citations, and EPA environmental violations.

Verify Sheet Metal Contractors (C43) | CSLB + Federal Check

How to Verify a Sheet Metal Contractor (C43) in California

California requires all contractors performing sheet metal work valued at $500+ to hold a valid CSLB C43 license. Of the 1,346 licensed sheet metal contractors in the state, 96% currently hold active licenses and 13.1% have at least one federal compliance record.

Manual vetting takes 45+ minutes per contractor and routinely misses violations in databases most people don't know to check. SiteVetter runs CSLB status, SAM.gov debarment, DOL wage violations, OSHA safety citations, and EPA environmental records in seconds—creating a timestamped compliance artifact.

Verification Checklist for Sheet Metal 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 Verification Matters for Sheet Metal Work

Under California's "Controlling Employer" doctrine, general contractors face liability for subcontractor safety violations. For sheet metal work specifically, 13.1% of licensed contractors have federal records that a standard CSLB license check wouldn't reveal. SiteVetter's 5-database check catches what a single-source verification misses.

Sheet Metal Contractor Verification

About C43 License

Sheet Metal Contractors

How to Verify a Sheet Metal Contractor (C43) in California

Verification Checklist for Sheet Metal Contractors

Why Verification Matters for Sheet Metal Work