Cohasset, MN Radon Mitigation and Testing

Q: What EPA Radon Zone is Cohasset in?

Cohasset is in Itasca County, EPA Zone 2.

Q: How much does radon mitigation cost in Cohasset?

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

Itasca County

EPA Zone 2

Positioned in the Iron Range region of Itasca County, Cohasset (55721) sits within northern Minnesota's forested landscape where glacial deposits and underlying Precambrian rock create moderate radon potential. Testing data is currently unavailable for this northern Minnesota community, though the area's geological composition and prevalence of homes with basement foundations warrant professional radon testing. The region's mix of older mining-era homes and lakeside properties provides varying foundation conditions that can influence individual radon accumulation significantly.

Cohasset, MN Radon Mitigation

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

Cohasset, MN Radon Testing

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

Cohasset Radon Facts

Key details about the radon risk profile for Cohasset and the 55721 zip code area.

EPA Radon Zone

Zone 2 — Moderate Risk

County

Itasca County, MN

Zip Code

55721

Predicted Screening Level

2–4 pCi/L (Zone 2)

Cohasset and the 55721 zip code are located in Itasca County, which has an EPA assigned Radon Zone of 2. A radon zone of 2 predicts an average indoor radon screening level between 2 and 4 pCi/L. The EPA recommends testing every home regardless of zone classification.

Radon FAQ for Cohasset, MN

What EPA Radon Zone is Cohasset in?

Cohasset and the 55721 zip code are in Itasca County, which has an EPA assigned Radon Zone of 2. A zone of 2 predicts an average indoor radon screening level between 2 and 4 pCi/L.

How much does radon mitigation cost in Cohasset?

Radon mitigation in Cohasset 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 Cohasset?

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 Minnesota

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

City	Avg User Radon Level	Submissions
Savage	5.00 pCi/L	3
Faribault	10.00 pCi/L	2
Shakopee	6.50 pCi/L	2
Minneapolis	5.00 pCi/L	2
Lakeville	6.00 pCi/L	1
Delano	5.00 pCi/L	1
Montgomery	5.00 pCi/L	1
Rosemount	No submissions	0