Leonard, ND Radon Levels

Q: What EPA Radon Zone is Leonard in?

Leonard is in Cass County, EPA Zone 1.

Q: How much does radon mitigation cost in Leonard?

Radon mitigation typically costs between $800 and $2,000. Most standard systems fall in the $1,000-$1,500 range.

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

Leonard, ND Radon Facts

EPA Radon Zone Zone 1 — High Risk > 4.0 pCi/L (Zone 1)

County Cass County, ND

Zip Code 58052

Positioned in Cass County within the Fargo metropolitan area, Leonard sits in the Red River Valley where glacial lake deposits over shale bedrock contribute to North Dakota's elevated radon potential. The community features newer residential developments alongside traditional prairie construction, with many homes built on full basements and slab foundations. With local testing data currently unavailable, residents in the 58052 area should prioritize radon testing given the region's geological characteristics.

Leonard, 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 Leonard, ND

What EPA Radon Zone is Leonard in?

Leonard and the 58052 zip code are in Cass 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 Leonard?

Radon mitigation in Leonard 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 Leonard?

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.

City	Avg User Radon Level	Submissions
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