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Courtenay, ND Radon Levels

Check local Courtenay radon levels and find certified testing and mitigation professionals to keep your home safe


Courtenay, ND Radon Facts

EPA Radon Zone Zone 1 — High Risk > 4.0 pCi/L (Zone 1)
County Stutsman County, ND
Zip Code 58426

Located in Stutsman County in central North Dakota, Courtenay sits over glacial till and Pierre shale formations that contribute to the state's high radon potential. Testing data for zip code 58426 is currently limited, making individual home testing particularly important given North Dakota's consistently elevated statewide radon levels.

Courtenay, ND Radon Mitigation

Professional radon mitigation is the most effective way to permanently lower radon levels and protect your household.

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Radon FAQ for Courtenay, ND

What EPA Radon Zone is Courtenay in?
Courtenay and the 58426 zip code are in Stutsman County, which has an EPA assigned Radon Zone of 1. A zone of 1 predicts an average indoor radon screening level greater than 4 pCi/L.
How much does radon mitigation cost in Courtenay?
Radon mitigation in Courtenay typically costs between $800 and $2,000. Most homes with standard basements can be mitigated with a sub-slab depressurization system in the $1,000–$1,500 range. Factors that can increase cost include complex foundations, crawl spaces, or very high radon levels.
Should I test for radon if I'm buying a home in Courtenay?
Yes. Radon testing should be part of every home purchase. A short-term radon test is typically included as part of the home inspection process and costs $150–$250. If elevated levels are found, you can negotiate mitigation as part of the sale.

Most Active Radon Markets in North Dakota

Cities in North Dakota with the most user-submitted radon test data, ranked by number of submissions.

CityAvg User Radon LevelSubmissions
Grand Forks 13.50 pCi/L 8
Grafton 7.67 pCi/L 3
Dickinson 6.00 pCi/L 3
Watford City 5.50 pCi/L 2
Bismarck No submissions 0