Crosby, ND Radon Levels

Q: What EPA Radon Zone is Crosby in?

Crosby is in Divide County, EPA Zone 1.

Q: How much does radon mitigation cost in Crosby?

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

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

Crosby, ND Radon Facts

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

County Divide County, ND

Zip Code 58730

Positioned in Divide County along North Dakota's northern border, Crosby overlies glacial lake deposits and Pierre Shale formations known for elevated radon potential. The community's housing stock includes both historic main street buildings and modern ranch-style homes, many with full basements due to the harsh climate. With limited radon testing data for zip code 58730, residents should prioritize testing given the region's geological characteristics.

Crosby, 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 Crosby, ND

What EPA Radon Zone is Crosby in?

Crosby and the 58730 zip code are in Divide 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 Crosby?

Radon mitigation in Crosby 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 Crosby?

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