C-42 · Plumbing & water

Sanitation System Contractor

987 licensed Sanitation System Contractors in California

What Does a C-42 License Cover?

Fabricates and installs cesspools, septic tanks, storm drains, and other sewage disposal and drain structures, including cast iron, steel, concrete, and vitreous pipe.

Hiring a Sanitation System Contractor

Sanitation system work requires health department permits in addition to building permits. Verify the contractor is familiar with local soil and groundwater conditions that affect system design. Perc testing should be completed before committing to a contract.

California law requires a contractor license for this type of work on projects valued at $500 or more (combined labor and materials). Hiring an unlicensed contractor for work requiring a license may void your consumer protections.

Also in Plumbing & water

C-36: Plumbing Contractor C-34: Pipeline Contractor C-55: Water Conditioning Contractor C-57: Well Drilling Contractor

Related Classifications

C-34: Pipeline Contractor C-36: Plumbing Contractor

Licensing Resources

Deposit and payment rules for California contracts
Home improvement contract requirements
How to verify a contractor license

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