Addison, MI Radon Mitigation and Testing

Q: What EPA Radon Zone is Addison in?

Addison is in Lenawee County, EPA Zone 1.

Q: How much does radon mitigation cost in Addison?

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

Lenawee County

EPA Zone 1

Positioned in Lenawee County in southeastern Michigan, Addison occupies glacially-influenced terrain where till deposits over limestone bedrock can facilitate radon gas migration into homes. With testing data for zip code 49220 being limited, residents should prioritize radon testing given Michigan's EPA Zone 1 classification. The region's geological characteristics contribute to elevated radon potential throughout southern Michigan.

Addison, MI Radon Mitigation

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

Addison, MI Radon Testing

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

Addison Radon Facts

Key details about the radon risk profile for Addison and the 49220 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Lenawee County, MI

Zip Code

49220

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Addison and the 49220 zip code are located in Lenawee 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 Addison, MI

What EPA Radon Zone is Addison in?

Addison and the 49220 zip code are in Lenawee 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 Addison?

Radon mitigation in Addison 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 Addison?

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