Harper Woods, MI Radon Mitigation and Testing

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

Based on 1 user-submitted tests, the average radon level is 5.00 pCi/L.

Q: What EPA Radon Zone is Harper Woods in?

Harper Woods is in Wayne County, EPA Zone 3.

Q: How much does radon mitigation cost in Harper Woods?

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

Avg: 5.00 pCi/L

Wayne County

EPA Zone 3

1 user test

Harper Woods is located in Wayne County, Michigan. With 1 user-submitted readings averaging 5.00 pCi/L, the area exceeds the EPA's 4.0 pCi/L action threshold, and testing is strongly recommended for homeowners in the 48225 zip code.

5.00

pCi/L average

Above EPA Action Level

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

4.0 EPA

10+

Harper Woods, MI Radon Mitigation

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

Harper Woods, MI Radon Testing

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

Harper Woods, Michigan Radon Levels

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

Radon Level	City	Home Age	Foundation	Submitted
5 pCi/L	Harper Woods, MI	51-99 Years	Full Basement	Dec 2025

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

Harper Woods Radon Facts

Key details about the radon risk profile for Harper Woods and the 48225 zip code area.

EPA Radon Zone

Zone 3 — Low Risk

County

Wayne County, MI

Zip Code

48225

Predicted Screening Level

< 2.0 pCi/L (Zone 3)

Avg. User Submitted Level

5.00 pCi/L

User Tests Submitted

Harper Woods and the 48225 zip code are located in Wayne 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 Harper Woods, MI

What is the average radon level in Harper Woods, MI?

Based on 1 user-submitted test, the average radon level in Harper Woods is 5.00 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 Harper Woods in?

Harper Woods and the 48225 zip code are in Wayne 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 Harper Woods?

Radon mitigation in Harper Woods 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 Harper Woods?

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