Saint Helen, MI Radon Mitigation and Testing

Q: What EPA Radon Zone is Saint Helen in?

Saint Helen is in Roscommon County, EPA Zone 3.

Q: How much does radon mitigation cost in Saint Helen?

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

Roscommon County

EPA Zone 3

Located in north-central Michigan's Roscommon County, Saint Helen sits within glacial outwash deposits and sandy soils that generally produce lower radon concentrations than other parts of the state. Current testing data for zip code 48656 remains insufficient for comprehensive area analysis, though the region's geological characteristics suggest moderate radon potential. Homeowners should still conduct testing, particularly in properties with full basement construction common to the area.

Saint Helen, MI Radon Mitigation

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

Saint Helen, MI Radon Testing

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

Saint Helen Radon Facts

Key details about the radon risk profile for Saint Helen and the 48656 zip code area.

EPA Radon Zone

Zone 3 — Low Risk

County

Roscommon County, MI

Zip Code

48656

Predicted Screening Level

< 2.0 pCi/L (Zone 3)

Saint Helen and the 48656 zip code are located in Roscommon County, which has an EPA assigned Radon Zone of 3. A radon zone of 3 predicts an average indoor radon screening level less than 2 pCi/L. The EPA recommends testing every home regardless of zone classification.

Radon FAQ for Saint Helen, MI

What EPA Radon Zone is Saint Helen in?

Saint Helen and the 48656 zip code are in Roscommon County, which has an EPA assigned Radon Zone of 3. A zone of 3 predicts an average indoor radon screening level less than 2 pCi/L.

How much does radon mitigation cost in Saint Helen?

Radon mitigation in Saint Helen 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 Saint Helen?

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 Michigan

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

City	Avg User Radon Level	Submissions
Novi	5.00 pCi/L	7
Rochester	9.00 pCi/L	5
Battle Creek	6.60 pCi/L	5
White Lake	10.00 pCi/L	4
Ypsilanti	8.50 pCi/L	4
Waterford	7.75 pCi/L	4
Howell	7.50 pCi/L	4
Gaylord	6.00 pCi/L	4
Gladstone	5.25 pCi/L	4
West Bloomfield	5.25 pCi/L	4
Clarkston	5.00 pCi/L	4
Flint	9.00 pCi/L	3
Pinckney	7.33 pCi/L	3
Northville	5.33 pCi/L	3
Milford	4.33 pCi/L	3
Plymouth	4.33 pCi/L	3
Portage	3.33 pCi/L	3
Lake Orion	11.00 pCi/L	2
Oxford	11.00 pCi/L	2
Grand Ledge	7.00 pCi/L	2