How many C57 well drilling contractors are licensed in California?

California has 764 contractors with a C57 (Well Drilling) license from the Contractors State License Board. 730 (96%) hold active licenses. SiteVetter's C57 license lookup checks each against SAM.gov, OSHA, DOL, and EPA databases.

What does a C57 license cover in California?

A California C57 license covers well drilling contractors for water wells. Any contractor performing well drilling work valued at $500 or more must hold this license. The CSLB issues and regulates all contractor licenses in the state.

What percentage of well drilling contractors have federal violations?

12.0% of California well drilling contractors (92 out of 764) have at least one record in federal databases. These include SAM.gov debarments, DOL wage violations, OSHA safety citations, and EPA environmental violations.

C57 Well Drilling Contractors in California - Page 2 | CSLB License Lookup

C57 Well Drilling Contractor License Lookup

Use this page when you need a California C57 license lookup, a list of licensed well drilling contractors, or a quick screen before assigning well drilling work to a sub. Each row links to a contractor profile with CSLB status, workers' comp, bond, federal records, and permit checks.

California has 764 CSLB C57 license records for well drilling contractors. 96% currently hold active licenses and 12.0% 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 C57 Well Drilling 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 Well Drilling Work

For well drilling work, 12.0% 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.

C57 Well Drilling Contractors in California - Page 2

CSLB C57 License Scope

C57 Well Drilling Contractor License Records

C57 Well Drilling Contractor License Lookup

What to Check for C57 Well Drilling Contractors

Why Federal Records Matter for Well Drilling Work