Windsor Mill, MD Radon Mitigation and Testing

Q: What EPA Radon Zone is Windsor Mill in?

Windsor Mill is in Baltimore County, EPA Zone 1.

Q: How much does radon mitigation cost in Windsor Mill?

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

Baltimore County

EPA Zone 1

Found in Baltimore County within the Baltimore Metro area, Windsor Mill sits on the Piedmont region's complex geological formations that include crystalline bedrock. The community features suburban residential developments from various decades, with housing types ranging from split-level homes to traditional colonials, many with full basements. With limited radon testing data currently available for ZIP code 21244, residents should consider individual home testing to determine their radon exposure risk.

Windsor Mill, MD Radon Mitigation

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

Windsor Mill, MD Radon Testing

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

Windsor Mill Radon Facts

Key details about the radon risk profile for Windsor Mill and the 21244 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Baltimore County, MD

Zip Code

21244

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Windsor Mill and the 21244 zip code are located in Baltimore County, which has an EPA assigned Radon Zone of 1. A radon zone of 1 predicts an average indoor radon screening level greater than 4 pCi/L. The EPA recommends testing every home regardless of zone classification.

Radon FAQ for Windsor Mill, MD

What EPA Radon Zone is Windsor Mill in?

Windsor Mill and the 21244 zip code are in Baltimore 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 Windsor Mill?

Radon mitigation in Windsor Mill 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 Windsor Mill?

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