Radon Mitigation Cost in Wyoming

Wyoming ranks #3 in the U.S. for radon risk. 91% of Wyoming counties are classified by the EPA as Zone 1 — the highest-risk category, with predicted average indoor radon levels above the EPA action level of 4 pCi/L. Here's what that means for mitigation cost.

Wyoming radon risk profile

Wyoming has 21 of 23 counties (91%) classified as EPA Zone 1. The state's mountainous geology and uranium-rich rock formations create high radon exposure across most populated areas. Wyoming's Department of Health publishes radon resources and recommends every home be tested.

Typical mitigation cost

National typical range: $1,200-$2,500 installed for a standard active sub-slab depressurization (ASD) system in a single-family home. Multi-level or multi-zone homes can reach $3,000-$5,000. These figures are from aggregated contractor pricing surveys and are not specific to Wyoming.

We do not publish a Wyoming-specific average cost figure because no reliable state-level cost survey is publicly available. Get 2-3 quotes from EPA-listed certified mitigators in your county for accurate Wyoming pricing.

Wyoming-specific factors

Many Wyoming homes are in mountainous areas with crawl spaces or partial basements. Mitigation typically requires sub-slab depressurization combined with crawl-space encapsulation, which can run higher than the national average due to the additional work.

How to find a certified mitigator in Wyoming

The two main certifying bodies for radon mitigation are the National Radon Proficiency Program (NRPP) and the National Radon Safety Board (NRSB). Both maintain public contractor directories searchable by ZIP code. If you live in a state with a radon program (which Wyoming does), the state health department typically maintains a certified-contractor list as well — usually on the department's environmental health page.

Always retest after mitigation. A properly designed system should reduce levels to under 2 pCi/L; verify the result rather than trusting the contractor's word.

Try the calculator

Radon Mitigation Cost Estimator

Get an installed-cost range for a standard ASD system based on home size and foundation type.

Home Inspection Cost Estimator

Pre-purchase home inspection cost — radon testing is often a bundled add-on.

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