College Park, MD Radon Mitigation and Testing

Q: What EPA Radon Zone is College Park in?

College Park is in Prince George's County, EPA Zone Unknown.

Q: How much does radon mitigation cost in College Park?

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

Prince George's County

EPA Zone Unknown

Home to the University of Maryland and located in Prince George's County, College Park sits within the greater Washington Metro area where Piedmont geology creates moderate radon potential. Testing data for zip code 20740 remains limited, making individual home testing particularly important for residents in this diverse housing market. The mix of older homes and newer construction throughout the area means radon levels can vary considerably from property to property.

College Park, MD Radon Mitigation

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

College Park, MD Radon Testing

Finding qualified radon testing professionals is the first step toward protecting your home.

College Park Radon Facts

Key details about the radon risk profile for College Park and the 20740 zip code area.

EPA Radon Zone

Unknown

County

Prince George's County, MD

Zip Code

20740

Predicted Screening Level

Unknown

College Park and the 20740 zip code are located in Prince George's County, which has an EPA assigned Radon Zone of Unknown. A radon zone of Unknown does not have sufficient data for classification. The EPA recommends testing every home regardless of zone classification.

Radon FAQ for College Park, MD

What EPA Radon Zone is College Park in?

College Park and the 20740 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 College Park?

Radon mitigation in College Park 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 College Park?

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 with the most user-submitted radon test data in the state.

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
Clarksburg	8.00 pCi/L	3
Gambrills	6.00 pCi/L	3
Elkton	5.33 pCi/L	3
Silver Spring	4.33 pCi/L	3
Chesapeake Beach	14.00 pCi/L	2
Cumberland	9.00 pCi/L	2
Frostburg	9.00 pCi/L	2
Owings	5.50 pCi/L	2
Huntingtown	4.50 pCi/L	2
Mc Henry	20.00 pCi/L	1
Mount Airy	20.00 pCi/L	1