Chester, PA Radon Mitigation and Testing

Q: What EPA Radon Zone is Chester in?

Chester is in Delaware County, EPA Zone 1.

Q: How much does radon mitigation cost in Chester?

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

Chester in Delaware County is part of the greater Philadelphia metropolitan area, positioned within EPA Zone 1 for high radon potential. The city's industrial heritage includes older housing stock that may feature basements and foundation types common to southeastern Pennsylvania. While specific radon data for zip code 19013 is currently limited, the region's geological characteristics warrant professional testing for all residents.

Chester, PA Radon Mitigation

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

Chester, PA Radon Testing

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

Chester Radon Facts

Key details about the radon risk profile for Chester and the 19013 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Delaware County, PA

Zip Code

19013

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Chester and the 19013 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 Chester, PA

What EPA Radon Zone is Chester in?

Chester and the 19013 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 Chester?

Radon mitigation in Chester 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 Chester?

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