Clarence, PA Radon Levels

Q: What EPA Radon Zone is Clarence in?

Clarence is in Centre County, EPA Zone 1.

Q: How much does radon mitigation cost in Clarence?

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

Check local Clarence radon levels and find certified testing and mitigation professionals to keep your home safe

Clarence, PA Radon Facts

EPA Radon Zone Zone 1 — High Risk > 4.0 pCi/L (Zone 1)

County Centre County, PA

Zip Code 16829

Located in Centre County within the State College Metro area, Clarence sits in Pennsylvania's ridge-and-valley region where limestone bedrock creates elevated radon potential. Testing data for this 16829 zip code community remains limited, making individual home testing essential for residents. Given the area's geological conditions and EPA Zone 1 classification, homeowners should prioritize radon testing regardless of home age or foundation type.

9.77

pCi/L area average

Above EPA Action Level

Centre County average: 9.77 pCi/L, based on 22 user-submitted tests across 6 cities in the county. No homeowner readings have been submitted for Clarence itself yet, so this county figure is the closest available benchmark. The EPA recommends taking action at or above 4.0 pCi/L.

4.0 EPA

10+

Clarence, PA Radon Mitigation

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

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Radon Readings Near Clarence, PA

No homeowner tests have been submitted for Clarence yet. The closest cities with user-submitted radon data are shown below — explore them to gauge local conditions. Radon varies by home, so testing is the only way to know your level.

City	Distance	Avg User Level	Readings
Bellefonte	13.8 mi	13.00 pCi/L	2
State College	18.1 mi	9.93 pCi/L	15
Philipsburg	19.2 mi	10.00 pCi/L	2
Boalsburg	20.8 mi	2.00 pCi/L	1
Centre Hall	21.0 mi	15.00 pCi/L	1
Renovo	21.3 mi	3.00 pCi/L	1
Spring Mills	23.2 mi	3.00 pCi/L	1
Lock Haven	26.0 mi	6.00 pCi/L	1

Centre County Radon Profile

Centre County falls in EPA Radon Zone 1, meaning the local uranium-bearing geology is predicted to drive average indoor radon screening levels above the EPA's 4 pCi/L action threshold. Homeowner-submitted tests from 6 cities in Centre County average 9.77 pCi/L across 22 tests — above the EPA's 4 pCi/L action level, reinforcing the need for testing across the county. Since radon is the second leading cause of lung cancer nationally, the EPA urges every household in Centre County to test, as levels can differ between neighboring homes.

Radon FAQ for Clarence, PA

What EPA Radon Zone is Clarence in?

Clarence and the 16829 zip code are in Centre 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.

Why are radon readings shown from areas near Clarence?

No homeowner radon tests have been submitted for Clarence yet. Because radon is driven by regional soil and bedrock geology, readings from the closest cities—and the Centre County average—are the best available indicator of local conditions until Clarence homeowners submit their own results. The EPA still recommends testing every individual home, since levels can vary significantly from house to house.

How much does radon mitigation cost in Clarence?

Radon mitigation in Clarence 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 Clarence?

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.