How many HAZ hazardous substance removal contractors are licensed in California?

California has 1,905 contractors with a HAZ (Hazardous Substance Removal) license from the Contractors State License Board. 1,830 (96%) hold active licenses. SiteVetter's HAZ license lookup checks each against SAM.gov, OSHA, DOL, and EPA databases.

What does a HAZ license cover in California?

A California HAZ license covers hazardous substance removal contractors. Any contractor performing hazardous substance removal work valued at $500 or more must hold this license. The CSLB issues and regulates all contractor licenses in the state.

What percentage of hazardous substance removal contractors have federal violations?

13.0% of California hazardous substance removal contractors (248 out of 1,905) have at least one record in federal databases. These include SAM.gov debarments, DOL wage violations, OSHA safety citations, and EPA environmental violations.

HAZ Hazardous Substance Removal Contractors in California - Page 5 | CSLB License Lookup

HAZ Hazardous Substance Removal Contractor License Lookup

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

California has 1,905 CSLB HAZ license records for hazardous substance removal contractors. 96% currently hold active licenses and 13.0% 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 HAZ Hazardous Substance Removal 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 Hazardous Substance Removal Work

For hazardous substance removal work, 13.0% 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.

HAZ Hazardous Substance Removal Contractors in California - Page 5

CSLB HAZ License Scope

HAZ Hazardous Substance Removal Contractor License Records

HAZ Hazardous Substance Removal Contractor License Lookup

What to Check for HAZ Hazardous Substance Removal Contractors

Why Federal Records Matter for Hazardous Substance Removal Work