Plumbing and HVAC rules in Arkansas

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

Plumbers in Arkansas hold master, journeyman or restricted licenses from the Department of Health's Plumbing and Natural Gas section.^{1, 2}

Heating and cooling licensing

Heating, cooling and refrigeration contractors in Arkansas need a state HVACR license from the Department of Labor and Licensing.³

Plumbing and mechanical codes

Arkansas's HVACR licensing rules adopt the 2021 International Mechanical Code, in effect since July 1, 2022.⁴

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 Arkansas

Published national ranges for plumbing, water heater, sewer, AC, heat pump and furnace jobs, and a planning estimate for your own job.

Plumbing, heating and cooling costs in Arkansas

Contractors in Arkansas

890 plumbers and heating and cooling contractors are listed in Arkansas. 39 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 Arkansas.” PlumbingInformationSite.com, updated September 27, 2026. https://plumbinginformationsite.com/ar/rules/