Plumbing and HVAC rules in Utah
What the state says about plumbing and heating and cooling work, with the page each rule comes from. It's a summary of the published rules, not legal advice, and your city or county can have rules of its own.
Checked September 23, 2026
Plumbing licensing
In Utah, a plumbing business holds a P200 general or P201 residential plumbing contractor classification from the Division of Professional Licensing, and plumbers hold master or journeyman licenses.1, 2, 3
Heating and cooling licensing
Ask a heating and cooling company which licenses it holds, and check each one with the office that issued it.
Plumbing and mechanical codes
Your local building department can tell you which plumbing and mechanical codes apply where you live.
Permits to replace a water heater, furnace or AC
Ask your local building department whether replacing a water heater, furnace or AC needs a permit where you live.
Backflow testing
If your home has a backflow preventer, your water utility can tell you whether it needs testing and who can test it.
Sources
What plumbing and HVAC work costs in Utah
Published national ranges for plumbing, water heater, sewer, AC, heat pump and furnace jobs, and a planning estimate for your own job.
Contractors in Utah
606 plumbers and heating and cooling contractors are listed in Utah. 319 hold an active USDOT registration. Browse them by county, or ask for quotes and we'll pass your job to contractors near you.
Cite this page
“Plumbing and HVAC rules in Utah.” PlumbingInformationSite.com, updated September 27, 2026. https://plumbinginformationsite.com/ut/rules/