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Cockeysville, MD Radon Levels

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


Cockeysville, MD Radon Facts

EPA Radon Zone Zone 1 — High Risk > 4.0 pCi/L (Zone 1)
County Baltimore County, MD
Zip Code 21030
Avg. User Level 10.00 pCi/L
User Tests 1

Situated in Baltimore County within the Baltimore Metro area, Cockeysville shows radon testing results averaging 10.0 pCi/L based on available data. This level significantly exceeds the EPA action threshold of 4.0 pCi/L, reflecting the area's position on Piedmont crystalline rocks known for elevated radon production. Residents of zip code 21030 should test their homes and consider mitigation systems where readings exceed recommended levels.

10.00
pCi/L average
Above EPA Action Level

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

0
4.0 EPA
10+

Cockeysville, MD Radon Mitigation

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Cockeysville, MD Radon Levels

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

Radon LevelCityHome AgeFoundation
10 pCi/L Cockeysville, MD 21-50 Years Full Basement

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

Radon FAQ for Cockeysville, MD

What is the average radon level in Cockeysville, MD?
Based on 1 user-submitted test, the average radon level in Cockeysville is 10.00 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 Cockeysville in?
Cockeysville and the 21030 zip code are in Baltimore 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 Cockeysville?
Radon mitigation in Cockeysville 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 Cockeysville?
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 Maryland

Cities in Maryland with the most user-submitted radon test data, ranked by number of submissions.

CityAvg User Radon LevelSubmissions
Frederick 8.29 pCi/L 7
Potomac 9.00 pCi/L 6
Hagerstown 8.67 pCi/L 6
Westminster 14.50 pCi/L 4
Baltimore 7.00 pCi/L 4
Annapolis 4.25 pCi/L 4
Upper Marlboro 15.00 pCi/L 3
Edgewater 12.67 pCi/L 3
Bowie 9.00 pCi/L 3
Frostburg 8.67 pCi/L 3