Sherwood, MI Radon Mitigation and Testing

Q: What EPA Radon Zone is Sherwood in?

Sherwood is in Branch County, EPA Zone 1.

Q: How much does radon mitigation cost in Sherwood?

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

Branch County

EPA Zone 1

Located in Branch County in south-central Michigan, Sherwood sits within EPA Zone 1, where radon testing data is currently limited. The area's glacial deposits and mixed soil conditions over sedimentary bedrock can create variable radon potential in residential properties. Homeowners in zip code 49089 should consider professional radon testing, as individual readings can vary significantly even within the same neighborhood.

Sherwood, MI Radon Mitigation

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

Sherwood, MI Radon Testing

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

Sherwood Radon Facts

Key details about the radon risk profile for Sherwood and the 49089 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Branch County, MI

Zip Code

49089

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Sherwood and the 49089 zip code are located in Branch 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 Sherwood, MI

What EPA Radon Zone is Sherwood in?

Sherwood and the 49089 zip code are in Branch 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 Sherwood?

Radon mitigation in Sherwood 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 Sherwood?

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