Onondaga, MI Radon Mitigation and Testing

Q: What EPA Radon Zone is Onondaga in?

Onondaga is in Ingham County, EPA Zone 2.

Q: How much does radon mitigation cost in Onondaga?

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

Ingham County

EPA Zone 2

Straddling both the Jackson and Lansing metropolitan areas in Ingham County, Onondaga sits over Michigan's glacial till deposits and limestone bedrock that create moderate-to-high radon potential. The community's housing stock spans from rural farmsteads to suburban developments, most featuring full basements typical of Michigan construction. Since comprehensive radon testing data for zip code 49264 remains limited, homeowners should prioritize testing to establish their individual radon exposure levels.

Onondaga, MI Radon Mitigation

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

Onondaga, MI Radon Testing

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

Onondaga Radon Facts

Key details about the radon risk profile for Onondaga and the 49264 zip code area.

EPA Radon Zone

Zone 2 — Moderate Risk

County

Ingham County, MI

Zip Code

49264

Predicted Screening Level

2–4 pCi/L (Zone 2)

Onondaga and the 49264 zip code are located in Ingham County, which has an EPA assigned Radon Zone of 2. A radon zone of 2 predicts an average indoor radon screening level between 2 and 4 pCi/L. The EPA recommends testing every home regardless of zone classification.

Radon FAQ for Onondaga, MI

What EPA Radon Zone is Onondaga in?

Onondaga and the 49264 zip code are in Ingham County, which has an EPA assigned Radon Zone of 2. A zone of 2 predicts an average indoor radon screening level between 2 and 4 pCi/L.

How much does radon mitigation cost in Onondaga?

Radon mitigation in Onondaga 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 Onondaga?

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