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Huntingtown, MD Radon Levels

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


Huntingtown, MD Radon Facts

EPA Radon Zone Zone 1 — High Risk > 4.0 pCi/L (Zone 1)
County Calvert County, MD
Zip Code 20639
Avg. User Level 4.50 pCi/L
User Tests 2

Located in Calvert County along Maryland's Western Shore, this community shows an average radon level of 4.5 pCi/L, which exceeds the EPA action level of 4.0 pCi/L. The area's coastal plain geology, including Miocene-era formations, contributes to elevated radon potential that homeowners should address through testing and mitigation when necessary. Local homes in zip code 20639 often feature crawl spaces and partial basements typical of Southern Maryland construction.

4.50
pCi/L average
Above EPA Action Level

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

0
4.0 EPA
10+

Huntingtown, MD Radon Mitigation

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

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Huntingtown, MD Radon Levels

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

Radon LevelCityHome AgeFoundation
3 pCi/L Huntingtown, MD 21-50 Years Partial Basement
6 pCi/L Huntingtown, MD 21-50 Years Full Basement

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

Radon FAQ for Huntingtown, MD

What is the average radon level in Huntingtown, MD?
Based on 2 user-submitted tests, the average radon level in Huntingtown is 4.50 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 Huntingtown in?
Huntingtown and the 20639 zip code are in Calvert 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 Huntingtown?
Radon mitigation in Huntingtown 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 Huntingtown?
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