Denton, MD Radon Mitigation and Testing

Q: What EPA Radon Zone is Denton in?

Denton is in Caroline County, EPA Zone 3.

Q: How much does radon mitigation cost in Denton?

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

Caroline County

EPA Zone 3

Positioned in Caroline County on Maryland's Eastern Shore, Denton sits on Coastal Plain sediments that generally produce lower radon concentrations than inland areas. Testing data for the 21629 zip code is currently limited, but the area's sandy soils and typical foundation types suggest most homes likely maintain acceptable radon levels.

Denton, MD Radon Mitigation

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

Denton, MD Radon Testing

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

Denton Radon Facts

Key details about the radon risk profile for Denton and the 21629 zip code area.

EPA Radon Zone

Zone 3 — Low Risk

County

Caroline County, MD

Zip Code

21629

Predicted Screening Level

< 2.0 pCi/L (Zone 3)

Denton and the 21629 zip code are located in Caroline County, which has an EPA assigned Radon Zone of 3. A radon zone of 3 predicts an average indoor radon screening level less than 2 pCi/L. The EPA recommends testing every home regardless of zone classification.

Radon FAQ for Denton, MD

What EPA Radon Zone is Denton in?

Denton and the 21629 zip code are in Caroline County, which has an EPA assigned Radon Zone of 3. A zone of 3 predicts an average indoor radon screening level less than 2 pCi/L.

How much does radon mitigation cost in Denton?

Radon mitigation in Denton 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 Denton?

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