Clear Spring, MD Radon Mitigation and Testing

Q: What EPA Radon Zone is Clear Spring in?

Clear Spring is in Washington County, EPA Zone 1.

Q: How much does radon mitigation cost in Clear Spring?

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

Washington County

EPA Zone 1

Located in Washington County within the Hagerstown Metro area, Clear Spring sits in the Great Valley where limestone bedrock can create localized radon accumulation despite Maryland's generally moderate levels. Testing data is currently limited for this 21722 community, encouraging homeowners to conduct individual assessments. The area's rural character includes both historic homes with stone foundations and newer construction, often featuring full basements typical of the region.

Clear Spring, MD Radon Mitigation

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

Clear Spring, MD Radon Testing

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

Clear Spring Radon Facts

Key details about the radon risk profile for Clear Spring and the 21722 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Washington County, MD

Zip Code

21722

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Clear Spring and the 21722 zip code are located in Washington 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 Clear Spring, MD

What EPA Radon Zone is Clear Spring in?

Clear Spring and the 21722 zip code are in Washington 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 Clear Spring?

Radon mitigation in Clear Spring 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 Clear Spring?

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