Dexter, MI Radon Mitigation and Testing

Q: What is the average radon level in Dexter, MI?

Based on 1 user-submitted tests, the average radon level is 4.00 pCi/L.

Q: What EPA Radon Zone is Dexter in?

Dexter is in Washtenaw County, EPA Zone 1.

Q: How much does radon mitigation cost in Dexter?

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

Avg: 4.00 pCi/L

Washtenaw County

EPA Zone 1

1 user test

Testing in Washtenaw County shows Dexter with an average radon level of 4.0 pCi/L, right at the EPA action threshold for this Ann Arbor metropolitan area community. Located in the 48130 zip code, this area sits on glacial deposits that can facilitate radon migration. While current readings are at the borderline level, continued monitoring and potential mitigation should be considered.

4.00

pCi/L average

Above EPA Action Level

Based on 1 user-submitted radon test for homes in Dexter, MI. The EPA recommends taking action at or above 4.0 pCi/L.

4.0 EPA

10+

Dexter, MI Radon Mitigation

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

Dexter, MI Radon Testing

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

Dexter, Michigan Radon Levels

User-submitted radon test readings from homes in the Dexter area.

Radon Level	City	Home Age	Foundation	Submitted
4 pCi/L	Dexter, MI	21-50 Years	Full Basement	Jul 2023

Have a radon test result for Dexter? Submit your reading to help other homeowners.

Dexter Radon Facts

Key details about the radon risk profile for Dexter and the 48130 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Washtenaw County, MI

Zip Code

48130

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Avg. User Submitted Level

4.00 pCi/L

User Tests Submitted

Dexter and the 48130 zip code are located in Washtenaw 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 Dexter, MI

What is the average radon level in Dexter, MI?

Based on 1 user-submitted test, the average radon level in Dexter is 4.00 pCi/L. This exceeds the EPA's recommended action level of 4.0 pCi/L, and radon testing is recommended for all homes in the area.

What EPA Radon Zone is Dexter in?

Dexter and the 48130 zip code are in Washtenaw 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 Dexter?

Radon mitigation in Dexter 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 Dexter?

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