
Radon Pros in Wisconsin
34 contractorsEPA zone context: Most of Wisconsin is Zone 1, especially the southern and western regions. Milwaukee and Madison metros are high-risk areas.
Lifetime Home Services
4.9 (64 Google reviews)
Licensed Provider: George Booth
Lifetime Home Services is a contractor offering radon-related services serving Brookfield, 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 64 reviews. Offers rush/priority scheduling, financing options, licensed and insured.
Radon Measurement & Elimination Services
5.0 (120 Google reviews)
Licensed Provider: Chase A. Nicholson
Radon Measurement & Elimination Services is a dedicated radon services company serving Elm Grove, 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 5.0/5 on Google based on 120 reviews.
Radon Measurement and Mitigation, Inc.
5.0 (6 Google reviews)
Licensed Provider: Carl J. Francis
Radon Measurement and Mitigation, Inc. is a dedicated radon services company serving Fall River, 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 5.0/5 on Google based on 6 reviews.
T - Rex Inspections LLC
Licensed Provider: Terry W Johnson
All-Star Basements / All-Star Radon
5.0 (3 Google reviews)
Licensed Provider: Lincoln Stellner
All-Star Basements / All-Star Radon is a dedicated radon services company serving Holmen, WI. Services include radon mitigation system installation, mitigation system design, radon testing, crawlspace mitigation. Methods include heat recovery ventilation, passive radon systems. Holds Certified Radon Mitigation Specialist and Certified Radon Measurement Professional certifications. Rated 5.0/5 on Google based on 3 reviews. Offers real estate transaction testing.
The Sigma Group, Inc.
Licensed Provider: Stephen R. Meer
Wisconsin Radon Services, LLC
5.0 (278 Google reviews)
Licensed Provider: Lance N. Rule
Wisconsin Radon Services, LLC is a dedicated radon services company serving Mineral Point, WI. Services include radon mitigation system installation, mitigation system design, radon testing, radon measurement. Works with basements, crawlspaces. Methods include heat recovery ventilation. Holds Certified Radon Mitigation Specialist and Certified Radon Measurement Professional certifications. Rated 5.0/5 on Google based on 278 reviews. Offers free estimates, real estate transaction testing.
Dairyland Home Inspection LLC
Licensed Provider: Robert A Carter
Dairyland Home Inspection LLC is a home inspection company with radon testing capabilities serving Mount Pleasant, WI. Services include radon testing, radon measurement. Works with basements, crawlspaces. Methods include heat recovery ventilation. Holds Certified Radon Measurement Professional certification. Offers real estate transaction testing.
Radon Safe Homes and Businesses
Licensed Provider: David Daniels
Radon Safe Homes and Businesses is a dedicated radon services company serving Neenah, 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. Offers free estimates, real estate transaction testing.
Radon Associates LLC
4.8 (24 Google reviews)
Licensed Provider: Joyce Boumeester
Radon Associates LLC is a dedicated radon services company serving New Richmond, WI. Services include radon testing, radon measurement, radon mitigation system installation, mitigation system design. Methods include heat recovery ventilation. Holds Certified Radon Measurement Professional and Certified Radon Mitigation Specialist certifications. Rated 4.8/5 on Google based on 24 reviews. Offers free estimates.
Advanced Inspections, LLC
5.0 (109 Google reviews)
Licensed Provider: Marc Tarkowski, CPI
Advanced Inspections, LLC is a home inspection company with radon testing capabilities serving Oconomowoc, WI. Services include radon testing, radon measurement. Methods include heat recovery ventilation. Holds Certified Radon Measurement Professional certification. Rated 5.0/5 on Google based on 109 reviews. Offers real estate transaction testing, rush/priority scheduling.
Professional Radon Service
4.9 (15 Google reviews)
Licensed Provider: James W. Schaller
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.
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.
Popular Cities for Radon Mitigation in Wisconsin
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.