Contractor License Proof
A licensed Pipeline contractor at work on a California project

Pipeline Contractors in California (C-34)

California licenses thousands of Pipeline contractors through the CSLB. This directory tracks 554 of them — 538 currently active (97%), with 100% carrying a contractor bond on file and 73% showing workers' compensation coverage. Every profile is dated against the official CSLB public record.

554
Listed
538
Active
554
With bond
405
With WC

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Pipeline contractors

Frequently asked questions

How many Pipeline contractors are licensed in California?

This directory lists 554 Pipeline contractors in California, of which 538 currently hold an active CSLB license.

How do I check if a Pipeline contractor is licensed in California?

Open the contractor's profile here for their dated CSLB status, or look up their license number directly on the CSLB "Check a License" tool. A license must be active — not expired, suspended, or inactive — to be valid.

Should a Pipeline contractor carry a bond and workers' compensation?

Most active CSLB licensees carry a contractor bond, and any contractor with employees must carry workers' compensation. Each profile shows what the CSLB record reports.