Denver, Colorado · 2026 pricing
Radon mitigation cost in Denver
A typical sub-slab system in an 1,800 sqft full-basement home at 6 pCi/L in Denver: $1,428–$4,208 · metro cost factor 1.19× vs. US average (state factor 1.08× · metro overlay 1.10×).
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.
Denver local market
Denver metro is EPA Zone 1 statewide — Colorado has among the highest indoor radon levels in the US. 30+ NRPP- or NRSB-certified firms in Front Range (Denver, Boulder, Fort Collins, Colorado Springs). Strong real-estate-transaction-driven demand.
Permits, code, and licensing in Denver
Colorado does NOT require state mitigator license, but Denver, Boulder, Lakewood, Aurora all require Mechanical permits ($75-$200) for fan install + electrical. Post-mitigation re-test industry standard.