Bryn Mawr, PA Radon Mitigation and Testing

Q: What EPA Radon Zone is Bryn Mawr in?

Bryn Mawr is in Delaware County, EPA Zone 1.

Q: How much does radon mitigation cost in Bryn Mawr?

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

Delaware County

EPA Zone 1

Situated in Delaware County along Philadelphia's prestigious Main Line, Bryn Mawr features historic stone homes and Tudor-style residences, many dating to the early 20th century with full basements. The area's metamorphic bedrock and glacial deposits create conditions where radon can accumulate, particularly in older homes with stone foundations. Although current testing data for zip code 19010 is limited, the EPA's Zone 1 classification and the community's housing characteristics make radon testing strongly recommended.

Bryn Mawr, PA Radon Mitigation

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

Bryn Mawr, PA Radon Testing

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

Bryn Mawr Radon Facts

Key details about the radon risk profile for Bryn Mawr and the 19010 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Delaware County, PA

Zip Code

19010

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Bryn Mawr and the 19010 zip code are located in Delaware 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 Bryn Mawr, PA

What EPA Radon Zone is Bryn Mawr in?

Bryn Mawr and the 19010 zip code are in Delaware 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 Bryn Mawr?

Radon mitigation in Bryn Mawr 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 Bryn Mawr?

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