Plumbing and HVAC rules in South Dakota

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

South Dakota's Plumbing Commission issues plumbing contractor, plumber, journeyman and apprentice licenses.1, 2

Heating and cooling licensing

South Dakota's Department of Labor and Regulation licenses plumbing but lists no heating and cooling license. Ask your city or county whether it licenses heating and cooling contractors.2

Plumbing and mechanical codes

South Dakota's State Plumbing Code is the 2024 Uniform Plumbing Code with amendments.3, 4 South Dakota's State Fire Marshal has adopted the 2015 International Mechanical Code, which local governments may amend.5

Permits to replace a water heater, furnace or AC

South Dakota's Plumbing Commission requires a plumbing installation certificate (a permit) and a state inspection for all plumbing installations, except in cities with their own inspections: Aberdeen, Brandon, Rapid City, Sioux Falls and Spearfish. For heating and cooling work, ask your local building department.6

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

  1. South Dakota Department of Labor and Regulation ↑
  2. South Dakota Department of Labor and Regulation ↑
  3. South Dakota Administrative Rules ↑
  4. South Dakota Administrative Rules ↑
  5. South Dakota Legislature ↑
  6. South Dakota Department of Labor and Regulation ↑

What plumbing and HVAC work costs in South Dakota

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 South Dakota

Contractors in South Dakota

83 plumbers and heating and cooling contractors are listed in South Dakota. 17 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 South Dakota.” PlumbingInformationSite.com, updated September 27, 2026. https://plumbinginformationsite.com/sd/rules/