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Hampstead, MD Radon Levels

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


Hampstead, MD Radon Facts

EPA Radon Zone Zone 1 — High Risk > 4.0 pCi/L (Zone 1)
County Carroll County, MD
Zip Code 21074
Avg. User Level 7.00 pCi/L
User Tests 2

Located in Carroll County within the Baltimore Metro area, Hampstead shows an average radon level of 7.0 pCi/L based on 2 tests, significantly exceeding the EPA action threshold. Maryland's Piedmont geology and the area's housing characteristics in zip code 21074 create conditions where elevated radon is common. Homeowners should prioritize professional testing and strongly consider mitigation systems for readings above 4.0 pCi/L.

7.00
pCi/L average
Above EPA Action Level

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

0
4.0 EPA
10+

Hampstead, MD Radon Mitigation

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

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Hampstead, MD Radon Levels

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

Radon LevelCityHome AgeFoundation
8 pCi/L Hampstead, MD 21-50 Years Full Basement
6 pCi/L Hampstead, MD 51-99 Years Full Basement

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

Radon FAQ for Hampstead, MD

What is the average radon level in Hampstead, MD?
Based on 2 user-submitted tests, the average radon level in Hampstead is 7.00 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 Hampstead in?
Hampstead and the 21074 zip code are in Carroll 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 Hampstead?
Radon mitigation in Hampstead 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 Hampstead?
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