Chadds Ford, PA Radon Mitigation and Testing

Q: What EPA Radon Zone is Chadds Ford in?

Chadds Ford is in Delaware County, EPA Zone 1.

Q: How much does radon mitigation cost in Chadds Ford?

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

Located in Delaware County within the Philadelphia metro area, Chadds Ford sits on Pennsylvania's Piedmont plateau where metamorphic bedrock and residual soils can contribute to elevated radon potential. Although comprehensive testing data for zip code 19317 remains limited, the geological setting suggests homeowners should prioritize radon evaluation. The area's complex mix of schist and gneiss bedrock creates conditions that commonly produce elevated indoor radon concentrations.

Chadds Ford, PA Radon Mitigation

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

Chadds Ford, PA Radon Testing

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

Chadds Ford Radon Facts

Key details about the radon risk profile for Chadds Ford and the 19317 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Delaware County, PA

Zip Code

19317

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Chadds Ford and the 19317 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 Chadds Ford, PA

What EPA Radon Zone is Chadds Ford in?

Chadds Ford and the 19317 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 Chadds Ford?

Radon mitigation in Chadds Ford 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 Chadds Ford?

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