Glengary, WV Radon Mitigation and Testing

Q: What EPA Radon Zone is Glengary in?

Glengary is in Berkeley County, EPA Zone 1.

Q: How much does radon mitigation cost in Glengary?

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

Berkeley County

EPA Zone 1

Situated in Berkeley County within the Hagerstown metro area, Glengary sits on limestone and shale formations of the Great Valley that can contribute to elevated radon levels throughout West Virginia's Eastern Panhandle. Testing data for zip code 25421 remains limited, though the region's karst geology and underground drainage patterns can create variable radon conditions. Homeowners should prioritize testing, particularly in properties with basements built into these limestone formations.

Glengary, WV Radon Mitigation

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

Glengary, WV Radon Testing

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

Glengary Radon Facts

Key details about the radon risk profile for Glengary and the 25421 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Berkeley County, WV

Zip Code

25421

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Glengary and the 25421 zip code are located in Berkeley 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 Glengary, WV

What EPA Radon Zone is Glengary in?

Glengary and the 25421 zip code are in Berkeley 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 Glengary?

Radon mitigation in Glengary 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 Glengary?

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 West Virginia

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

City	Avg User Radon Level	Submissions
Charles Town	8.10 pCi/L	10
Berkeley Springs	7.70 pCi/L	10
Martinsburg	16.00 pCi/L	8
Harpers Ferry	6.57 pCi/L	7
Ridgeley	9.00 pCi/L	5
Shepherdstown	6.25 pCi/L	4
Kearneysville	5.50 pCi/L	2
Ranson	14.00 pCi/L	1
Morgantown	5.00 pCi/L	1
Charleston	3.00 pCi/L	1