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Rosedale, MD Radon Levels

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


Rosedale, MD Radon Facts

EPA Radon Zone Zone 1 — High Risk > 4.0 pCi/L (Zone 1)
County Baltimore County, MD
Zip Code 21237

Located in Baltimore County within the Baltimore Metro region, this Rosedale community experiences Maryland's diverse geological landscape of Coastal Plain sediments. While specific radon data for zip code 21237 is currently unavailable, Baltimore County's proximity to Piedmont bedrock can create variable radon conditions. Homeowners should conduct testing to establish baseline readings for their properties.

Rosedale, MD Radon Mitigation

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

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Radon FAQ for Rosedale, MD

What EPA Radon Zone is Rosedale in?
Rosedale and the 21237 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 Rosedale?
Radon mitigation in Rosedale 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 Rosedale?
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