Cheshire, OH Radon Mitigation and Testing

Q: What EPA Radon Zone is Cheshire in?

Cheshire is in Gallia County, EPA Zone 2.

Q: How much does radon mitigation cost in Cheshire?

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

Gallia County

EPA Zone 2

This rural community in Gallia County reflects the mixed geological conditions of southeastern Ohio, where Pennsylvanian-era shale and sandstone formations influence local radon potential. Current testing data is limited for the area, making professional radon assessment particularly important for homeowners. The region's combination of older farmhouses and newer residential construction can show varying radon entry patterns depending on foundation types and local soil characteristics.

Cheshire, OH Radon Mitigation

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

Cheshire, OH Radon Testing

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

Cheshire Radon Facts

Key details about the radon risk profile for Cheshire and the 45620 zip code area.

EPA Radon Zone

Zone 2 — Moderate Risk

County

Gallia County, OH

Zip Code

45620

Predicted Screening Level

2–4 pCi/L (Zone 2)

Cheshire and the 45620 zip code are located in Gallia 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 Cheshire, OH

What EPA Radon Zone is Cheshire in?

Cheshire and the 45620 zip code are in Gallia 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 Cheshire?

Radon mitigation in Cheshire 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 Cheshire?

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