Cleveland, OH Radon Levels

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

Based on 1 user-submitted tests, the average radon level is 20.00 pCi/L.

Q: What EPA Radon Zone is Cleveland in?

Cleveland is in Cuyahoga County, EPA Zone 2.

Q: How much does radon mitigation cost in Cleveland?

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

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

Cleveland, OH Radon Facts

EPA Radon Zone Zone 2 — Moderate Risk 2–4 pCi/L (Zone 2)

County Cuyahoga County, OH

Zip Code 44102

Avg. User Level 20.00 pCi/L

User Tests 1

Located in Cuyahoga County along Lake Erie's southern shore, Cleveland shows concerning radon levels with an average reading of 20.0 pCi/L - five times the EPA action threshold. The city's diverse housing stock, from historic homes with stone foundations to mid-century residences, combined with the region's glacial till deposits, creates conditions where radon can significantly accumulate. Homeowners across all Cleveland zip codes should prioritize professional radon testing and mitigation if needed.

20.00

pCi/L average

Above EPA Action Level

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

4.0 EPA

10+

Cleveland, OH Radon Mitigation

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

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Cleveland, OH Radon Levels

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

Radon Level	City	Home Age	Foundation
20 pCi/L	Cleveland, OH	0-20 Years	Partial Basement

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

Radon FAQ for Cleveland, OH

What is the average radon level in Cleveland, OH?

Based on 1 user-submitted test, the average radon level in Cleveland is 20.00 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 Cleveland in?

Cleveland and the 44102 zip code are in Cuyahoga 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 Cleveland?

Radon mitigation in Cleveland 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 Cleveland?

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

Cleveland, OH Radon Levels

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

Cleveland, OH Radon Facts

Cleveland, OH Radon Mitigation

Need Radon Mitigation or Testing in Cleveland?

Cleveland, OH Radon Levels

Radon FAQ for Cleveland, OH

Most Active Radon Markets in Ohio

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