Saint Clair, MI Radon Mitigation and Testing

Q: What EPA Radon Zone is Saint Clair in?

Saint Clair is in St Clair County, EPA Zone Unknown.

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

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

St Clair County

EPA Zone Unknown

Positioned along the St. Clair River in St Clair County as part of the Detroit Metro area, Saint Clair's 48079 zip code features varied geological conditions that can influence radon levels. Testing data is currently limited for this riverside community, though Michigan's glacial soils and bedrock formations can create unpredictable radon conditions. Homeowners should conduct individual radon testing to assess their specific risk, particularly in older homes with basements near the river corridor.

Saint Clair, MI Radon Mitigation

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

Saint Clair, MI Radon Testing

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

Saint Clair Radon Facts

Key details about the radon risk profile for Saint Clair and the 48079 zip code area.

EPA Radon Zone

Unknown

County

St Clair County, MI

Zip Code

48079

Predicted Screening Level

Unknown

Saint Clair and the 48079 zip code are located in St Clair County, which has an EPA assigned Radon Zone of Unknown. A radon zone of Unknown does not have sufficient data for classification. The EPA recommends testing every home regardless of zone classification.

Radon FAQ for Saint Clair, MI

What EPA Radon Zone is Saint Clair in?

Saint Clair and the 48079 zip code are in St Clair County, which has an EPA assigned Radon Zone of Unknown. A zone of Unknown does not have sufficient data for classification.

How much does radon mitigation cost in Saint Clair?

Radon mitigation in Saint Clair 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 Clair?

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