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Sunbury, OH Radon Levels

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


Sunbury, OH Radon Facts

EPA Radon Zone Zone 1 — High Risk > 4.0 pCi/L (Zone 1)
County Delaware County, OH
Zip Code 43074
Avg. User Level 3.00 pCi/L
User Tests 1

This growing Columbus Metro suburb in Delaware County recorded an average radon level of 3.0 pCi/L in recent testing from zip code 43074. While this reading falls within the EPA's acceptable range, Sunbury's location in Ohio's glaciated region and its expanding residential developments warrant continued testing vigilance. The community's mix of newer subdivisions and established neighborhoods offers varied foundation types and radon entry potential.

3.00
pCi/L average
Below EPA Action Level

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

0
4.0 EPA
10+

Sunbury, OH Radon Mitigation

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

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Sunbury, OH Radon Levels

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

Radon LevelCityHome AgeFoundation
3 pCi/L Sunbury, OH 0-20 Years Full Basement

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

Radon FAQ for Sunbury, OH

What is the average radon level in Sunbury, OH?
Based on 1 user-submitted test, the average radon level in Sunbury is 3.00 pCi/L. This is below the EPA's recommended action level of 4.0 pCi/L. However, we recommend all homes be tested regardless of your neighbor's results.
What EPA Radon Zone is Sunbury in?
Sunbury and the 43074 zip code are in Delaware 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 Sunbury?
Radon mitigation in Sunbury 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 Sunbury?
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