Des Moines, Iowa · 2026 pricing
Radon mitigation cost in Des Moines
A typical sub-slab system in an 1,800 sqft full-basement home at 6 pCi/L in Des Moines: $1,040–$3,063 · metro cost factor 0.86× vs. US average (state factor 0.92× · metro overlay 0.94×).
Radon Mitigation Cost Calculator
Estimated cost
$1,113–$3,479
Typical: $2,087 · state factor 1.10×
Line items
- System — Sub-slab depressurization (most common)$2,087
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Estimates are educational — actual quotes from local pros may differ based on site conditions, permits, and seasonal demand.
Des Moines local market
Des Moines is the largest mitigation market in the highest-prevalence radon state in the US (average indoor reading 8.5 pCi/L). Iowa Code §136B requires IDPH credential for mitigation work. 20+ IDPH-licensed firms in Polk + Dallas counties.
Permits, code, and licensing in Des Moines
Iowa IDPH Radon Mitigator credential required. Municipal Mechanical permit $50-$200. Iowa real-estate transactions require radon disclosure under Iowa Code §558A — most sales include mitigation as standard contingency.