Grandin, ND Radon Mitigation and Testing

Q: What EPA Radon Zone is Grandin in?

Grandin is in Cass County, EPA Zone 1.

Q: How much does radon mitigation cost in Grandin?

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

Cass County

EPA Zone 1

Found in Cass County within the Fargo Metro area, Grandin sits in EPA Zone 1 where glacial lake deposits and clay-rich soils contribute to elevated radon potential. With limited testing data available for the 58038 zip code, residents should prioritize radon testing given North Dakota's history of higher readings. The Red River Valley's flat terrain and dense soils can trap radon gas, making basement testing particularly important.

Grandin, ND Radon Mitigation

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

Grandin, ND Radon Testing

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

Grandin Radon Facts

Key details about the radon risk profile for Grandin and the 58038 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Cass County, ND

Zip Code

58038

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Grandin and the 58038 zip code are located in Cass 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 Grandin, ND

What EPA Radon Zone is Grandin in?

Grandin and the 58038 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 Grandin?

Radon mitigation in Grandin 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 Grandin?

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