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Fremont, OH Radon Levels

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


Fremont, OH Radon Facts

EPA Radon Zone Zone 2 — Moderate Risk 2–4 pCi/L (Zone 2)
County Sandusky County, OH
Zip Code 43420

Nestled in Sandusky County in north-central Ohio, Fremont's location near Lake Erie places it in an EPA Zone 2 area with glacial lake deposits over limestone bedrock. While comprehensive radon data for the 43420 zip code isn't yet available, the underlying geology suggests moderate radon potential that warrants testing. Residents should be particularly attentive to basement radon levels given the area's clay-rich soils and traditional foundation construction.

Fremont, 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 Fremont, OH

What EPA Radon Zone is Fremont in?
Fremont and the 43420 zip code are in Sandusky 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 Fremont?
Radon mitigation in Fremont 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 Fremont?
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.

CityAvg User Radon LevelSubmissions
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