Ridgely, MD Radon Mitigation and Testing

Q: What EPA Radon Zone is Ridgely in?

Ridgely is in Caroline County, EPA Zone 3.

Q: How much does radon mitigation cost in Ridgely?

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

Located on Maryland's Eastern Shore in Caroline County, Ridgely sits atop Coastal Plain sediments that typically generate lower radon levels than inland geological formations. The town's housing mix includes historic structures from the early 1900s alongside more recent developments, with foundation types varying from full basements to crawl spaces. While comprehensive testing data for zip code 21660 remains limited, homeowners should still conduct radon testing as individual property conditions can vary significantly.

Ridgely, MD Radon Mitigation

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

Ridgely, MD Radon Testing

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

Ridgely Radon Facts

Key details about the radon risk profile for Ridgely and the 21660 zip code area.

EPA Radon Zone

Zone 3 — Low Risk

County

Caroline County, MD

Zip Code

21660

Predicted Screening Level

< 2.0 pCi/L (Zone 3)

Ridgely and the 21660 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 Ridgely, MD

What EPA Radon Zone is Ridgely in?

Ridgely and the 21660 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 Ridgely?

Radon mitigation in Ridgely 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 Ridgely?

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