Three guides for Madison homeowners
Radon mitigation
Radon Mitigation in Madison
Radon mitigation in Madison, WI: no state license required, how DHS says to check NRPP and NRSB certification, getting three bids and how low a system can go.
Read the guide →Radon mitigation cost
Radon Mitigation Cost in Madison
What radon mitigation costs in Madison: Wisconsin DHS's $1,000–$2,000 average, how it compares to other benchmarks, the fan-only option and ongoing costs.
Read the guide →Radon testing
Radon Testing in Madison
Radon testing in Madison: $10 Public Health kits, the regional Radon Information Center, whether a digital monitor counts, and what DHS says to do next.
Read the guide →Quick facts
Dane County
About half of homes tested in Dane County over the past four years had high radon levels, per the local health department.1
Wisconsin rules
Wisconsin doesn't require radon contractors to be state licensed or nationally certified. DHS recommends NRPP or NRSB certification.2
Local kits
Public Health Madison & Dane County sells test kits for $10.1
Which guide do you need?
Start with the Madison testing guide if you haven't tested: it covers the $10 county kits and when a digital monitor isn't enough. With a high number, the mitigation guide explains how to vet a contractor in a state with no license law, and the cost guide starts from Wisconsin DHS's own price figure.
Why Madison is different from the state average
Statewide, Wisconsin DHS estimates about 1 in 10 homes has high radon.3 Dane County's local results run far higher, and EPA places the county in Zone 1.14 Neighbors' results don't predict yours, so DHS recommends every home be tested.3
Areas we serve
We match homeowners across the Madison area, including these communities and ZIP codes:
- Madison53703 · 53704 · 53705 · 53706 · 53711 · 53713 · 53714 · 53715 · 53716 · 53717 · 53718 · 53719 · 53726 · 53792
- Middleton53562
- Fitchburg53575 · 53711
- Sun Prairie53590
- Verona53593
- Monona53716
- Stoughton53589
- Waunakee53597
- McFarland53558
- DeForest53532
- Cottage Grove53527
- Oregon53575
- Shorewood Hills53705
ZIP codes are 2020 Census ZIP Code Tabulation Areas, which closely approximate USPS ZIP codes. We list ZIPs that make up a substantial share of each community, so edge ZIPs that barely touch a town are left out, and some ZIPs span two towns.5 Not on the list? Send the form anyway, and we'll tell you if we can help.
Please note: Wisconsin doesn't license radon contractors, and the state health department recommends NRPP or NRSB national certification. This page is general information summarized from public agencies, not professional advice. For advice about your home, talk with a nationally certified radon professional.
Sources
- Public Health Madison & Dane County, "Home Hazards" (radon)
- Wisconsin DHS, "Radon: How to Find a Contractor"
- Wisconsin Department of Health Services (DHS), "Radon Information for Wisconsin"
- U.S. EPA, "EPA Map of Radon Zones"
- U.S. Census Bureau, 2020 ZCTA-to-place and ZCTA-to-county-subdivision relationship files