Upper Marlboro, MD Radon Levels

Q: What is the average radon level in Upper Marlboro, MD?

Based on 3 user-submitted tests, the average radon level is 15.00 pCi/L.

Q: What EPA Radon Zone is Upper Marlboro in?

Upper Marlboro is in Prince George's County, EPA Zone Unknown.

Q: How much does radon mitigation cost in Upper Marlboro?

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

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

Upper Marlboro, MD Radon Facts

EPA Radon Zone Unknown Unknown

County Prince George's County, MD

Zip Code 20772

Avg. User Level 15.00 pCi/L

User Tests 3

Serving as the county seat of Prince George's County in the Washington Metro area, Upper Marlboro shows concerning radon levels across zip codes 20772 and 20774. Local testing reveals an average of 15.0 pCi/L, significantly exceeding the EPA's 4.0 pCi/L action level and requiring immediate mitigation attention. Professional radon testing and remediation are essential for all area homeowners.

15.00

pCi/L average

Above EPA Action Level

Based on 3 user-submitted radon tests for homes in Upper Marlboro, MD. The EPA recommends taking action at or above 4.0 pCi/L.

4.0 EPA

10+

Upper Marlboro, MD Radon Mitigation

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Upper Marlboro, MD Radon Levels

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

Radon Level	City	Home Age	Foundation
20 pCi/L	Upper Marlboro, MD	21-50 Years	Partial Basement
5 pCi/L	Upper Marlboro, MD	51-99 Years	Full Basement
20 pCi/L	Upper Marlboro, MD	0-20 Years	—

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

Radon FAQ for Upper Marlboro, MD

What is the average radon level in Upper Marlboro, MD?

Based on 3 user-submitted tests, the average radon level in Upper Marlboro is 15.00 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 Upper Marlboro in?

Upper Marlboro and the 20772 zip code are in Prince George's County, which has an EPA assigned Radon Zone of Unknown. A zone of Unknown does not have sufficient data for classification.

How much does radon mitigation cost in Upper Marlboro?

Radon mitigation in Upper Marlboro 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 Upper Marlboro?

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.

City	Avg User Radon Level	Submissions
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

Upper Marlboro, MD Radon Levels

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

Upper Marlboro, MD Radon Facts

Upper Marlboro, MD Radon Mitigation

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Upper Marlboro, MD Radon Levels

Radon FAQ for Upper Marlboro, MD

Most Active Radon Markets in Maryland

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