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Tiffin, OH Radon Levels

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


Tiffin, OH Radon Facts

EPA Radon Zone Zone 1 — High Risk > 4.0 pCi/L (Zone 1)
County Seneca County, OH
Zip Code 44883
Avg. User Level 4.00 pCi/L
User Tests 1

Residents of Tiffin in Seneca County should be aware that local testing shows an average radon level of 4.0 pCi/L, which sits right at the EPA action threshold. This north-central Ohio community's glacial till soils over shale bedrock can contribute to radon accumulation, particularly in homes with full basements common to the region.

4.00
pCi/L average
Above EPA Action Level

Based on 1 user-submitted radon test for homes in Tiffin, OH. The EPA recommends taking action at or above 4.0 pCi/L.

0
4.0 EPA
10+

Tiffin, OH Radon Mitigation

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

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Tiffin, OH Radon Levels

User-submitted radon test readings from homes in the Tiffin area.

Radon LevelCityHome AgeFoundation
4 pCi/L Tiffin, OH 0-20 Years Full Basement

Have a radon test result for Tiffin? Submit your reading to help other homeowners.

Radon FAQ for Tiffin, OH

What is the average radon level in Tiffin, OH?
Based on 1 user-submitted test, the average radon level in Tiffin is 4.00 pCi/L. This exceeds the EPA's recommended action level of 4.0 pCi/L, and radon testing is recommended for all homes in the area.
What EPA Radon Zone is Tiffin in?
Tiffin and the 44883 zip code are in Seneca 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 Tiffin?
Radon mitigation in Tiffin 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 Tiffin?
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