How much does a radon mitigation system cost?

Radon mitigation system installation runs $950 for a basic basement sub-slab depressurization, $1,750 for a typical install with exterior fan and PVC venting, and $3,500+ for crawlspace encapsulation or multi-zone systems.

Quick price points (2026)

TierCostUnit
Low$950per system
Typical$1,750per system
High$3,500per system

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