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RadonProsCertified Directory
Aerial neighborhood view in Wisconsin

Radon Pros in Wisconsin

34 contractors

EPA zone context: Most of Wisconsin is Zone 1, especially the southern and western regions. Milwaukee and Madison metros are high-risk areas.

RS

Radon solutions llc

5.0 (3 Google reviews)

Certified Professional

Licensed Provider: Chandler Bernklau

Full Service•Stanley, WI
MitigationTestingCrawlspaceVapor BarrierDiagnostic
Certified RMS

Radon solutions llc is a contractor offering radon-related services serving Stanley, WI. Services include radon mitigation system installation, mitigation system design. Works with basements, slab foundations, crawlspaces. Methods include sub-slab depressurization, heat recovery ventilation. Holds Certified Radon Mitigation Specialist certification. Rated 5.0/5 on Google based on 3 reviews.

View Profile7156448352
PR

Professional Radon Service

4.9 (15 Google reviews)

Certified Professional

Licensed Provider: James W. Schaller

Full Service•Viroqua, WI
MitigationTesting
Certified RMS/RMP

Professional Radon Service is a dedicated radon services company serving Viroqua, WI. Services include radon mitigation system installation, mitigation system design, radon testing, radon measurement. Methods include heat recovery ventilation. Holds Certified Radon Mitigation Specialist and Certified Radon Measurement Professional certifications. Rated 4.9/5 on Google based on 15 reviews.

View Profile6086063014
HE

Hady Electric, Inc.

Certified Professional

Licensed Provider: Cameron Christenson

Full Service•Watertown, WI
MitigationTestingCommercial
Certified RMSFree Estimates

Hady Electric, Inc. is a contractor offering radon-related services serving Watertown, WI. Established in 1929. Services include radon mitigation system installation, mitigation system design. Works with basements. Methods include heat recovery ventilation. Holds Certified Radon Mitigation Specialist certification. Offers free estimates, rush/priority scheduling.

View Profile9202614947
Data provided by Google Maps

State Info

Radon levels vary house-to-house even in the same city. Testing your own home is the only reliable way to know your risk.

Radon mitigation cost in WisconsinRadon testing cost in Wisconsin

Popular Cities for Radon Mitigation in Wisconsin

Radon mitigation in Neenah, Wisconsin2 local contractors listedRadon mitigation in Watertown, Wisconsin2 local contractors listedRadon mitigation in Adell, Wisconsin1 local contractors listedRadon mitigation in Beloit, Wisconsin1 local contractors listedRadon mitigation in Brookfield, Wisconsin1 local contractors listedRadon mitigation in Delafield, Wisconsin1 local contractors listedRadon mitigation in East Troy, Wisconsin1 local contractors listedRadon mitigation in Elm Grove, Wisconsin1 local contractors listedRadon mitigation in Fall River, Wisconsin1 local contractors listedRadon mitigation in Genoa City, Wisconsin1 local contractors listedRadon mitigation in Grafton, Wisconsin1 local contractors listedRadon mitigation in Holmen, Wisconsin1 local contractors listedRadon mitigation in Kenosha, Wisconsin1 local contractors listedRadon mitigation in Luck, Wisconsin1 local contractors listedRadon mitigation in Manitowoc, Wisconsin1 local contractors listedRadon mitigation in Milwaukee, Wisconsin1 local contractors listedRadon mitigation in Mineral Point, Wisconsin1 local contractors listedRadon mitigation in Monona, Wisconsin1 local contractors listedRadon mitigation in Mount Pleasant, Wisconsin1 local contractors listedRadon mitigation in New Richmond, Wisconsin1 local contractors listedRadon mitigation in Oak Creek, Wisconsin1 local contractors listedRadon mitigation in Oconomowoc, Wisconsin1 local contractors listedRadon mitigation in Randolph, Wisconsin1 local contractors listedRadon mitigation in Rib Lake, Wisconsin1 local contractors listed

FAQ: Radon Mitigation in Wisconsin

Is radon common in Wisconsin?

Very common. Wisconsin consistently ranks among the top states for radon. The Department of Health Services strongly recommends testing every home.

How much does radon mitigation cost in Wisconsin?

Most homeowners in Wisconsin see mitigation quotes in the low-thousands, but the final cost depends on foundation type, fan location, and pipe routing complexity. A cost calculator can help you benchmark estimates before requesting bids.

Do I need radon testing in Wisconsin before hiring a contractor?

Yes. A valid short-term or long-term test is the fastest way to confirm if mitigation is needed and to scope the right system design.

What radon level is dangerous in Wisconsin?

EPA recommends action at 4.0 pCi/L, and many homeowners choose to reduce levels even below that threshold. Most of Wisconsin is Zone 1, especially the southern and western regions. Milwaukee and Madison metros are high-risk areas. ZIP-level lookup tools are useful for local context, but home testing is still required.

How do I choose a certified radon contractor in Wisconsin?

Look for current NRPP or NRSB credentials, ask for post-mitigation test expectations, and confirm local compliance details. Wisconsin requires radon measurement professionals to be registered with the Wisconsin Department of Health Services.

State Resources for Wisconsin

Radon mitigation cost in Wisconsin

Estimate likely project pricing by foundation type and system complexity.

Radon testing guide for Wisconsin homes

Learn when and how to test, plus how to interpret pCi/L results.

Radon levels and EPA zones in Wisconsin

See how state-level risk varies and what zone maps can and cannot tell you.

ZIP-level radon risk in Wisconsin

Check projected local risk by ZIP code before you request quotes.