Rochester, MN Radon Mitigation and Testing

Q: What EPA Radon Zone is Rochester in?

Rochester is in Olmsted County, EPA Zone 1.

Q: How much does radon mitigation cost in Rochester?

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

Olmsted County

EPA Zone 1

Home to the renowned Mayo Clinic, Rochester in Olmsted County sits within Minnesota's high-radon Zone 1 designation, indicating significant radon potential from the underlying Paleozoic limestone and sandstone bedrock. Testing data across zip codes 55901, 55902, 55904, and 55906 remains limited, making professional radon testing crucial for all homeowners in this metro area. The region's mix of older homes and modern construction both require radon assessment due to the favorable geological conditions for radon gas migration.

Rochester, MN Radon Mitigation

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

Rochester, MN Radon Testing

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

Rochester Radon Facts

Key details about the radon risk profile for Rochester and the 55901 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Olmsted County, MN

Zip Code

55901

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Rochester and the 55901 zip code are located in Olmsted 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 Rochester, MN

What EPA Radon Zone is Rochester in?

Rochester and the 55901 zip code are in Olmsted 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 Rochester?

Radon mitigation in Rochester 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 Rochester?

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