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

Sanitation System Contractors in California (C-42)

California licenses thousands of Sanitation System contractors through the CSLB. This directory tracks 981 of them — 957 currently active (98%), with 100% carrying a contractor bond on file and 65% showing workers' compensation coverage. Every profile is dated against the official CSLB public record.

981
Listed
957
Active
980
With bond
634
With WC

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Sanitation System contractors

Frequently asked questions

How many Sanitation System contractors are licensed in California?

This directory lists 981 Sanitation System contractors in California, of which 957 currently hold an active CSLB license.

How do I check if a Sanitation System 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 Sanitation System 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.