Sanitation System Contractors License (C-42)

The sanitation system contractors license will allow you to fabricate and install cesspools, septic tanks, storm drains, and other sewage disposal and drain structures.

The sanitation systems classification includes the laying of cast-iron, steel, concrete, vitreous and nonvitreous pipe and any other hardware associated with these systems.

Before you can apply for your sanitation system contractors license, you must meet the following experience requirements:

Larger transmission mains fall under the pipeline contractors license.

Every applicant has to pass the Law & Business exam and the Trade exam before the license is issued.

Not sure which one to apply for? Compare all California contractor license classifications before you choose yours.

If you want a more detailed walkthrough, read our guide on how to get your C-42 sanitation system contractors license.

Don't have 4 years of sanitation system experience?
A college degree can be substituted for up to three years of that experience.

In order to obtain your sanitation system contractors license, you are required to pass the Trade examination as well as the Law & Business exam.

*Even though you can apply for a sanitation system contractors license when you are 18 years old, it is recommended that you be at least 23 years old due to experience requirement.

Get More Info