3 reports. Useful first pass, but one outlier can still shift the range.
Radon Mitigation Cost in Colorado
Read what 3 homeowners actually wroteIn Colorado, radon mitigation typically costs between $1,080 and $1,400, with most homeowners paying around $1,100. The middle 50% of projects fall between $1,090 and $1,250.
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Shaded band: middle 50% of reports (25th–75th percentile). Median tick in teal.
Most jobs land between $1,082.00 and $1,370.00 (5th–95th percentile). Ignoring 1 outlier below and 1 above.
Based on reports from Apr 2026 (first entries this month).
Data last updated Apr 8, 2026.
Size context is still being collected (0 of 3 reports include home size or system size). Numbers above may not reflect what your specific home would pay. Add a report to sharpen this →
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The underlying prices behind this page.
~2,000 sq ft home and we paid in 2021 for radon mitigation.
The system performed excellently.
Real homeowner write-ups, locked.
"Paid for radon mitigation on a 2166 sqft property in Thornton two years ago."
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