Williamsburg, PA Radon Mitigation and Testing

Q: What EPA Radon Zone is Williamsburg in?

Williamsburg is in Blair County, EPA Zone 1.

Q: How much does radon mitigation cost in Williamsburg?

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

Blair County

EPA Zone 1

Williamsburg sits in Blair County, nestled within Pennsylvania's Appalachian region where limestone and sandstone bedrock create variable radon conditions. Testing data for the 16693 zip code area remains limited, making professional radon testing essential for homeowners. Given Pennsylvania's designation as a high-radon state, residents should prioritize testing regardless of home age or foundation type.

Williamsburg, PA Radon Mitigation

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

Williamsburg, PA Radon Testing

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

Williamsburg Radon Facts

Key details about the radon risk profile for Williamsburg and the 16693 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Blair County, PA

Zip Code

16693

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Williamsburg and the 16693 zip code are located in Blair 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 Williamsburg, PA

What EPA Radon Zone is Williamsburg in?

Williamsburg and the 16693 zip code are in Blair 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 Williamsburg?

Radon mitigation in Williamsburg 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 Williamsburg?

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