Radon Resources for Sioux Falls Homeowners

Short list, kept deliberately short. These are the pages we send people to when they call with a question that deserves more than a phone answer.

• What Radon Mitigation Really Costs in Sioux Falls in 2026

  Real ranges for installation, fan replacement, passive activation and testing, built on South Dakota DANR figures rather than national averages.

The state also gives away 500 free radon test kits a year. Details are on the South Dakota DANR radon page.