How many C36 plumbing contractors are licensed in California?

California has 18,628 contractors with a C36 (Plumbing) license from the Contractors State License Board. 17,698 (95%) hold active licenses. SiteVetter's C36 license lookup checks each against SAM.gov, OSHA, DOL, and EPA databases.

What does a C36 license cover in California?

A California C36 license covers plumbing contractors for pipes, fixtures, and water systems. Any contractor performing plumbing work valued at $500 or more must hold this license. The CSLB issues and regulates all contractor licenses in the state.

What percentage of plumbing contractors have federal violations?

2.6% of California plumbing contractors (481 out of 18,628) have at least one record in federal databases. These include SAM.gov debarments, DOL wage violations, OSHA safety citations, and EPA environmental violations.

C36 Plumbing Contractors in California - Page 9 | CSLB License Lookup

C36 Plumbing Contractor License Lookup

Use this page when you need a California C36 license lookup, a list of licensed plumbing contractors, or a quick screen before assigning plumbing work to a sub. Each row links to a contractor profile with CSLB status, workers' comp, bond, federal records, and permit checks.

California has 18,628 CSLB C36 license records for plumbing contractors. 95% currently hold active licenses and 2.6% 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 C36 Plumbing Contractors

Confirm licensing for your specific plumbing needs (water heaters, gas lines, sewer)
Ask about experience with local building codes and inspection requirements
Check if they offer emergency service availability
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 Plumbing Work

For plumbing work, 2.6% 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.

C36 Plumbing Contractors in California - Page 9

CSLB C36 License Scope

C36 Plumbing Contractor License Records

C36 Plumbing Contractor License Lookup

What to Check for C36 Plumbing Contractors

Why Federal Records Matter for Plumbing Work