Howard, OH Radon Levels

Q: What EPA Radon Zone is Howard in?

Howard is in Knox County, EPA Zone 1.

Q: How much does radon mitigation cost in Howard?

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

Check local Howard radon levels and find certified testing and mitigation professionals to keep your home safe

Howard, OH Radon Facts

EPA Radon Zone Zone 1 — High Risk > 4.0 pCi/L (Zone 1)

County Knox County, OH

Zip Code 43028

Located in rural Knox County within Ohio's glaciated plains region, this community sits on glacial till deposits over Devonian shale bedrock that can contribute to moderate radon concentrations. The housing stock includes a mix of farmsteads and residential properties, many featuring full basements typical of Ohio construction designed for seasonal weather variations. Testing data for the 43028 area remains sparse, emphasizing the need for local homeowners to conduct radon testing to assess their specific risk levels.

Howard, OH Radon Mitigation

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

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Radon FAQ for Howard, OH

What EPA Radon Zone is Howard in?

Howard and the 43028 zip code are in Knox 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 Howard?

Radon mitigation in Howard 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 Howard?

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 in Ohio with the most user-submitted radon test data, ranked by number of submissions.

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