Preston, MN Radon Mitigation and Testing

Q: What EPA Radon Zone is Preston in?

Preston is in Fillmore County, EPA Zone 1.

Q: How much does radon mitigation cost in Preston?

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

Fillmore County

EPA Zone 1

Located in Fillmore County within the Rochester Metro area, Preston sits in southeastern Minnesota's karst landscape where limestone bedrock creates underground cave systems. Testing data for this ZIP code 55965 community remains limited, making professional radon testing essential for homeowners. The region's geological conditions and typical basement construction in Minnesota homes warrant careful attention to indoor air quality.

Preston, MN Radon Mitigation

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

Preston, MN Radon Testing

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

Preston Radon Facts

Key details about the radon risk profile for Preston and the 55965 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Fillmore County, MN

Zip Code

55965

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Preston and the 55965 zip code are located in Fillmore 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 Preston, MN

What EPA Radon Zone is Preston in?

Preston and the 55965 zip code are in Fillmore 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 Preston?

Radon mitigation in Preston 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 Preston?

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