Westlake, OH Radon Mitigation and Testing

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

Based on 2 user-submitted tests, the average radon level is 5.50 pCi/L.

Q: What EPA Radon Zone is Westlake in?

Westlake is in Cuyahoga County, EPA Zone 2.

Q: How much does radon mitigation cost in Westlake?

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

Avg: 5.50 pCi/L

Cuyahoga County

EPA Zone 2

2 user tests

Westlake in Cuyahoga County shows an average radon level of 5.5 pCi/L, which exceeds the EPA action threshold and indicates mitigation may be needed. This Cleveland Metro suburb sits on glacial deposits over shale bedrock, contributing to elevated radon potential throughout the area. The community's predominantly postwar housing stock with full basements creates ideal conditions for radon accumulation.

5.50

pCi/L average

Above EPA Action Level

Based on 2 user-submitted radon tests for homes in Westlake, OH. The EPA recommends taking action at or above 4.0 pCi/L.

4.0 EPA

10+

Westlake, OH Radon Mitigation

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

Westlake, OH Radon Testing

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

Westlake, Ohio Radon Levels

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

Radon Level	City	Home Age	Foundation	Submitted
4 pCi/L	Westlake, OH	51-99 Years	Full Basement	Feb 2020
7 pCi/L	Westlake, OH	21-50 Years	Full Basement	Aug 2018

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

Westlake Radon Facts

Key details about the radon risk profile for Westlake and the 44145 zip code area.

EPA Radon Zone

Zone 2 — Moderate Risk

County

Cuyahoga County, OH

Zip Code

44145

Predicted Screening Level

2–4 pCi/L (Zone 2)

Avg. User Submitted Level

5.50 pCi/L

User Tests Submitted

Westlake and the 44145 zip code are located in Cuyahoga County, which has an EPA assigned Radon Zone of 2. A radon zone of 2 predicts an average indoor radon screening level between 2 and 4 pCi/L. The EPA recommends testing every home regardless of zone classification.

Radon FAQ for Westlake, OH

What is the average radon level in Westlake, OH?

Based on 2 user-submitted tests, the average radon level in Westlake is 5.50 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 Westlake in?

Westlake and the 44145 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 Westlake?

Radon mitigation in Westlake 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 Westlake?

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