4 reports. Useful first pass, but one outlier can still shift the range.
Radon Mitigation Cost in Wisconsin
Read what 4 homeowners actually wroteRadon mitigation in Wisconsin typically costs between $900 and $1500, with most homeowners paying around $1300. Half of the projects tracked fell between $1050 and $1500, giving you a sense of what to expect when budgeting for this service.
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Shaded band: middle 50% of reports (25th–75th percentile). Median tick in teal.
Most jobs land between $930.00 and $1,500.00 (5th–95th percentile). Ignoring 1 low outlier.
Based on reports from Apr 2026 (first entries this month).
Data last updated Apr 7, 2026.
Latest reports
The underlying prices behind this page.
The initial radon levels were around 5-6, indicating a need for serious action.
Got quoted by A-1 Radon for installing a radon mitigation system, which includes running a vent pipe from the basement to the roof.
Real homeowner write-ups, locked.
"Used A1 to mitigate radon in the basement when moving my son down there."
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