
Radon Mitigation in Fargo, ND
Compare 17 radon mitigation contractors near you in Fargo and surrounding area with an average rating of 4.9/5. Get free quotes, read reviews, and find the right pro for your project.
Last updated March 23, 2026
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Verified Pro Installers
Other Businesses in This Area
Radon Solutions
Dakota Radon Services
5.0Environmental Air Solutions, Inc
5.0Foresight Home Inspection
5.03½+ years onlineNordic Home Inspection
5.016+ years onlinePro Tech Home Inspection Services
4.9~8 years onlineRadon Remedies, LLC
4.910½+ years onlineGroundworks
4.829+ years onlineAmerican Waterworks
4.7~27 years onlineValley Radon Mitigation Inc
4.7Radon Mitigation in Nearby ND Cities
Other Services in Fargo
Radon Mitigation in Fargo, ND
Fargo, North Dakota radon mitigation contractors serve Cass County where elevated radon levels are common—North Dakota has the highest average indoor radon levels in the United States with most homes testing above the EPA action level of 4 pCi/L. Local installers handle sub-slab depressurization (the most common active radon system), drain tile suction, and crawlspace membrane systems. North Dakota doesn't require state-level radon contractor licensing, but reputable installers hold NRPP (National Radon Proficiency Program) or NRSB certifications. Pre-purchase radon testing during real estate transactions drives most mitigation work.
Fargo's geological substrate produces elevated radon levels often exceeding 10-20 pCi/L in pre-mitigation testing—among the highest in the nation. Most homes with poured concrete slabs respond well to a single suction point. The NDSU community and oil-economy demographics drive steady demand. Cold-rated fan housing is essential given Fargo's -30°F winter design temperatures.
Frequently Asked Questions
- How much does Fargo radon mitigation cost?
- A typical sub-slab depressurization system runs $1,400-2,800 in Fargo.
- Why is North Dakota so high?
- The state's underlying geology contains uranium-rich shale and glacial till that produces unusually high radon levels.
- Should I retest?
- Yes, reputable installers conduct a 48-hour confidence test 2-4 weeks after install.
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