Bismarck, ND Radon Mitigation and Testing

Q: What EPA Radon Zone is Bismarck in?

Bismarck is in Burleigh County, EPA Zone 1.

Q: How much does radon mitigation cost in Bismarck?

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

Burleigh County

EPA Zone 1

As North Dakota's capital city in Burleigh County, Bismarck sits on Missouri River valley sediments and Pierre Shale formations known for elevated radon potential. Despite limited testing data for the 58501 zip code, the geological conditions suggest homeowners should test their properties given the region's high radon risk.

Bismarck, ND Radon Mitigation

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

Bismarck, ND Radon Testing

Finding qualified radon testing professionals is the first step toward protecting your home.

Bismarck Radon Facts

Key details about the radon risk profile for Bismarck and the 58501 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Burleigh County, ND

Zip Code

58501

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Bismarck and the 58501 zip code are located in Burleigh County, which has an EPA assigned Radon Zone of 1. A radon zone of 1 predicts an average indoor radon screening level greater than 4 pCi/L. The EPA recommends testing every home regardless of zone classification.

Radon FAQ for Bismarck, ND

What EPA Radon Zone is Bismarck in?

Bismarck and the 58501 zip code are in Burleigh 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 Bismarck?

Radon mitigation in Bismarck 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 Bismarck?

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 with the most user-submitted radon test data in the state.

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