Glenshaw, PA Radon Levels

Q: What EPA Radon Zone is Glenshaw in?

Glenshaw is in Allegheny County, EPA Zone 1.

Q: How much does radon mitigation cost in Glenshaw?

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

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

Glenshaw, PA Radon Facts

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

County Allegheny County, PA

Zip Code 15116

Located in Allegheny County within the Pittsburgh Metro area, Glenshaw sits on sedimentary bedrock formations typical of southwestern Pennsylvania's elevated radon zones. The community features predominantly mid-century suburban homes with full basements, providing ideal conditions for radon accumulation. Although local testing data remains limited, Pennsylvania's statewide radon concerns make testing essential for all Glenshaw residents in the 15116 zip code.

9.36

pCi/L area average

Above EPA Action Level

Allegheny County average: 9.36 pCi/L, based on 14 user-submitted tests across 10 cities in the county. No homeowner readings have been submitted for Glenshaw 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+

Glenshaw, 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 Glenshaw, PA

No homeowner tests have been submitted for Glenshaw 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
Allison Park	2.2 mi	8.00 pCi/L	1
Gibsonia	6.2 mi	4.00 pCi/L	1
Pittsburgh	6.6 mi	9.25 pCi/L	4
Verona	7.5 mi	12.00 pCi/L	1
West Mifflin	9.6 mi	9.00 pCi/L	1
Sewickley	10.2 mi	15.00 pCi/L	2
Mars	11.9 mi	6.00 pCi/L	1
Cranberry Twp	12.6 mi	6.00 pCi/L	1

Allegheny County Radon Profile

The bedrock and soils beneath Allegheny County are classified by the EPA as Radon Zone 1, the highest-risk tier, with predicted average indoor screening levels above 4 pCi/L. Homeowner-submitted tests from 10 cities in Allegheny County average 9.36 pCi/L across 14 tests — above the EPA's 4 pCi/L action level, reinforcing the need for testing across the county. Radon is the second leading cause of lung cancer in the United States, and a short-term test is the only way to confirm a specific home's level in Allegheny County.

Radon FAQ for Glenshaw, PA

What EPA Radon Zone is Glenshaw in?

Glenshaw and the 15116 zip code are in Allegheny 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 Glenshaw?

No homeowner radon tests have been submitted for Glenshaw yet. Because radon is driven by regional soil and bedrock geology, readings from the closest cities—and the Allegheny County average—are the best available indicator of local conditions until Glenshaw 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 Glenshaw?

Radon mitigation in Glenshaw 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 Glenshaw?

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.