Utah Plumbing Help
Who can do plumbing work in Utah, what the small job exemption does not cover, backflow and water heater strapping rules, and how to check a license. Information only.
Key facts
- Utah law defines the plumbing trade as work on water supply, waste, drainage and gas pipes in buildings or within three feet beyond the outside walls. (source: Utah State Legislature)
- Utah licenses plumbing contractors as P200 General Plumbing or P201 Residential Plumbing. P200 includes extending service from a building out to the main water, sewer or gas line. (source: Utah Office of Administrative Rules)
- Utah's small job exemption does not let an unlicensed person do plumbing system work. From January 1, 2027 it leaves out work on any plumbing component, such as a faucet or toilet. (source: Utah State Legislature)
- Seismic strapping for pipes, appliances and water heaters does not require a contractor license in Utah. (source: Utah Office of Administrative Rules)
- The State of Utah certifies backflow testers to help prevent cross connections that contaminate drinking water. (source: Utah Department of Environmental Quality, Division of Drinking Water)
- Check any Utah contractor license free in DOPL's License Lookup and Verification system. (source: State of Utah)
Common questions
- Sewer lines, septic tanks and digging: Who handles sewer laterals and septic systems, and the call before you dig.
Rules and licenses
- Who can do plumbing work in Utah: The plumbing trade definition, P200 and P201 licenses, and the small job exemption limits.
- Water heater strapping in Utah: Seismic strapping does not need a contractor license. Replacing the heater is plumbing work.
- Backflow prevention and testing: Why backflow devices matter and who can test them in Utah.
Hiring
- Leaks and water damage: EPA guidance on finding leaks and drying out after one.
- How to check a Utah plumbing license: Use Utah DOPL's free License Lookup and Verification before you hire.
- Before you hire a plumber in Utah: A short checklist from Utah DOPL guidance: check the license, get a written contract, and keep proof of payment.
All questions (FAQ) · All sources
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