Sunbury, OH Radon Mitigation and Testing

Q: What is the average radon level in Sunbury, OH?

Based on 1 user-submitted tests, the average radon level is 3.00 pCi/L.

Q: What EPA Radon Zone is Sunbury in?

Sunbury is in Delaware County, EPA Zone 1.

Q: How much does radon mitigation cost in Sunbury?

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

Avg: 3.00 pCi/L

Delaware County

EPA Zone 1

1 user test

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.

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.

Sunbury, OH Radon Testing

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

Sunbury, Ohio Radon Levels

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

Radon Level	City	Home Age	Foundation	Submitted
3 pCi/L	Sunbury, OH	0-20 Years	Full Basement	Oct 2024

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

Sunbury Radon Facts

Key details about the radon risk profile for Sunbury and the 43074 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Delaware County, OH

Zip Code

43074

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Avg. User Submitted Level

3.00 pCi/L

User Tests Submitted

Sunbury and the 43074 zip code are located in Delaware County, which has an EPA assigned Radon Zone of 1. A radon zone of 1 predicts an average indoor radon screening level greater than 4 pCi/L. The EPA recommends testing every home regardless of zone classification.

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 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