How many low voltage systems contractors are licensed in California?

California has 4,977 contractors with a C-7 (Low Voltage Systems) license from the Contractors State License Board. 4,740 (95%) hold active licenses. SiteVetter checks each against SAM.gov, OSHA, DOL, and EPA databases.

What does a C-7 license cover in California?

A California C-7 license covers low voltage systems contractors for alarms, audio/video, and communications. Any contractor performing low voltage systems work valued at $500 or more must hold this license. The CSLB issues and regulates all contractor licenses in the state.

What percentage of low voltage systems contractors have federal violations?

1.7% of California low voltage systems contractors (87 out of 4,977) have at least one record in federal databases. These include SAM.gov debarments, DOL wage violations, OSHA safety citations, and EPA environmental violations.

Verify Low Voltage Systems Contractors (C-7) - Page 30 | CSLB + Federal Check

How to Verify a Low Voltage Systems Contractor (C-7) in California

California requires all contractors performing low voltage systems work valued at $500+ to hold a valid CSLB C-7 license. Of the 4,977 licensed low voltage systems contractors in the state, 95% currently hold active licenses and 1.7% 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 Low Voltage Systems 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 Low Voltage Systems Work

Under California's "Controlling Employer" doctrine, general contractors face liability for subcontractor safety violations. For low voltage systems work specifically, 1.7% 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.

Low Voltage Systems Contractor Verification - Page 30

About C-7 License

Low Voltage Systems Contractors

How to Verify a Low Voltage Systems Contractor (C-7) in California

Verification Checklist for Low Voltage Systems Contractors

Why Verification Matters for Low Voltage Systems Work