Caldwell, OH Radon Mitigation and Testing

Q: What EPA Radon Zone is Caldwell in?

Caldwell is in Noble County, EPA Zone 2.

Q: How much does radon mitigation cost in Caldwell?

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

Noble County

EPA Zone 2

Situated in southeastern Noble County, Caldwell rests on Appalachian plateau formations where shale and sandstone bedrock can influence radon levels. The area's older housing stock often features stone or block foundations that may allow radon entry from underlying geological formations. Since testing data for zip code 43724 is limited, homeowners should prioritize radon testing to assess their individual risk.

Caldwell, OH Radon Mitigation

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

Caldwell, OH Radon Testing

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

Caldwell Radon Facts

Key details about the radon risk profile for Caldwell and the 43724 zip code area.

EPA Radon Zone

Zone 2 — Moderate Risk

County

Noble County, OH

Zip Code

43724

Predicted Screening Level

2–4 pCi/L (Zone 2)

Caldwell and the 43724 zip code are located in Noble 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 Caldwell, OH

What EPA Radon Zone is Caldwell in?

Caldwell and the 43724 zip code are in Noble 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 Caldwell?

Radon mitigation in Caldwell 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 Caldwell?

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