C-55 · Plumbing & water

Water Conditioning Contractor

313 licensed Water Conditioning Contractors in California

What Does a C-55 License Cover?

Installs water conditioning equipment with only such pipe and fittings as necessary to connect to the water supply system and to bypass excluded portions.

Hiring a Water Conditioning Contractor

Water conditioning equipment must meet California Department of Public Health standards. Verify the system being proposed is certified for the specific contaminants in your water. Ask about ongoing maintenance costs and filter replacement schedules.

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-42: Sanitation System Contractor C-57: Well Drilling Contractor

Related Classifications

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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