Martinsville, OH Radon Mitigation and Testing

Q: What EPA Radon Zone is Martinsville in?

Martinsville is in Clinton County, EPA Zone 1.

Q: How much does radon mitigation cost in Martinsville?

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

Clinton County

EPA Zone 1

Positioned in Clinton County in southwestern Ohio, Martinsville sits over glacial till deposits that can facilitate radon migration from underlying bedrock. Current testing data for the 45146 zip code area is limited, highlighting the importance of individual home testing. Rural properties with older foundations and basements may be particularly susceptible to radon entry through foundation cracks and gaps.

Martinsville, OH Radon Mitigation

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

Martinsville, OH Radon Testing

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

Martinsville Radon Facts

Key details about the radon risk profile for Martinsville and the 45146 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Clinton County, OH

Zip Code

45146

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Martinsville and the 45146 zip code are located in Clinton 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 Martinsville, OH

What EPA Radon Zone is Martinsville in?

Martinsville and the 45146 zip code are in Clinton 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 Martinsville?

Radon mitigation in Martinsville 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 Martinsville?

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 Ohio

Cities with the most user-submitted radon test data in the state.

City	Avg User Radon Level	Submissions
Marietta	8.00 pCi/L	5
Cincinnati	5.20 pCi/L	5
Hilliard	11.75 pCi/L	4
Wilmington	5.25 pCi/L	4
Newark	15.00 pCi/L	3
Athens	11.33 pCi/L	3
Findlay	10.33 pCi/L	3
Perrysburg	9.67 pCi/L	3
Powell	8.33 pCi/L	3
Columbus	6.00 pCi/L	3
Chagrin Falls	4.67 pCi/L	3
Hamilton	10.00 pCi/L	2
Chardon	5.50 pCi/L	2
Strongsville	4.50 pCi/L	2
Maineville	10.00 pCi/L	1
Lancaster	9.00 pCi/L	1
West Chester	9.00 pCi/L	1
Amherst	6.00 pCi/L	1
Chillicothe	6.00 pCi/L	1
Lima	5.00 pCi/L	1