Derry, PA Radon Mitigation and Testing

Q: What EPA Radon Zone is Derry in?

Derry is in Westmoreland County, EPA Zone 1.

Q: How much does radon mitigation cost in Derry?

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

Westmoreland County

EPA Zone 1

Found in Westmoreland County within the Pittsburgh Metro area, Derry sits in EPA Zone 1 where Pennsylvania's complex geology of coal measures and limestone creates highly favorable conditions for radon accumulation. Testing data for zip code 15627 is currently limited, highlighting the critical importance of professional assessment. The region's mining history and varied geological substrates make individual home testing essential for all residents.

Derry, PA Radon Mitigation

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

Derry, PA Radon Testing

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

Derry Radon Facts

Key details about the radon risk profile for Derry and the 15627 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Westmoreland County, PA

Zip Code

15627

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Derry and the 15627 zip code are located in Westmoreland 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 Derry, PA

What EPA Radon Zone is Derry in?

Derry and the 15627 zip code are in Westmoreland 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 Derry?

Radon mitigation in Derry 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 Derry?

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 Pennsylvania

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

City	Avg User Radon Level	Submissions
State College	10.00 pCi/L	14
Chambersburg	10.14 pCi/L	7
Easton	12.33 pCi/L	6
Butler	12.40 pCi/L	5
Dingmans Ferry	5.80 pCi/L	5
Hanover	14.00 pCi/L	4
Mechanicsburg	13.75 pCi/L	4
Greenville	10.75 pCi/L	4
Pittsburgh	9.25 pCi/L	4
Albrightsville	9.00 pCi/L	4
Philadelphia	8.00 pCi/L	4
Lackawaxen	15.33 pCi/L	3
York	11.67 pCi/L	3
Elizabethtown	9.67 pCi/L	3
Johnstown	7.33 pCi/L	3
West Chester	6.67 pCi/L	3
Danville	5.67 pCi/L	3
Springfield	5.67 pCi/L	3
East Stroudsburg	5.00 pCi/L	3
Langhorne	4.67 pCi/L	3