Homeowner Guide - Wisconsin - 8 min read
Radon mitigation system cost in Wisconsin depends on your foundation type, system complexity, and the installer you choose — not a flat statewide number. Here's what actually moves the price, plus how to confirm a contractor is legitimately certified before you pay anything.
Homeowner Guide - Wisconsin - 6 min read
The EPA sets 4.0 pCi/L as the action level for U.S. homes, but the WHO's stricter guideline and Wisconsin's own heating-season spikes mean many homeowners are living with more radon than they realize.
Homeowner Guide - Wisconsin - 6 min read
Addendum S is the radon-specific form Wisconsin buyers and sellers attach to a real estate offer -- here's what it actually requires, when testing needs to happen, and who typically handles mitigation if levels come back high.
Homeowner Guide - Wisconsin - 6 min read
A plain-language walkthrough of what happens on radon mitigation installation day in Wisconsin, from the first core hole to the post-installation retest.
Homeowner Guide - Wisconsin - 7 min read
Wisconsin has no separate state contractor license for radon work — certification comes from national bodies like NRPP or NRSB. Here's how to verify a contractor's credentials before signing anything.
Homeowner Guide - Wisconsin - 7 min read
A breakdown of what 'certified' actually means for Wisconsin radon testing, how the testing process works, and what happens next if your home tests above the EPA action level.
Wisconsin Radon Data · CDC Sourced · 5 min read
Using radon tests reported to the CDC (2008–2017), here’s how Wisconsin counties compare — the highest-radon counties, the lowest, and why a below-average county still isn’t a safe one.