How much does radon mitigation cost?
A radon mitigation system vents radon gas out from under the home. Cost depends on the foundation type and how the vent pipe can be routed.
| Typical range | $800 – $2,800 |
| Most common | $1,500 |
| Priced | system installed |
| DIY-friendly? | No — best left to a licensed pro |
What changes the price of radon mitigation
- Foundation type (slab, basement, crawl space)
- Vent routing and fan location
- Sealing and sub-slab suction points
- Post-install retest
Estimate your cost
Adjust the quality and scope, or compare with other projects.
Full typical range for this project. Adjust the quality/scope for a tighter estimate. The only way to know your real price is to get quotes from local contractors.
- ›Foundation type (slab, basement, crawl space)
- ›Vent routing and fan location
- ›Sealing and sub-slab suction points
- ›Post-install retest
National ballpark ranges for the US. Not a quote — actual prices vary by region, home and contractor.
Radon mitigation cost — frequently asked questions
How much does a radon mitigation system cost?
A radon mitigation system runs about $800–$2,800 installed, near $1,500 typical, depending on the foundation and vent routing.
Related project costs
This is general US cost information, not a quote. Actual prices depend on your region, home, materials and contractor — always get quotes from licensed local pros before you commit.