Leetsdale, PA Radon Levels

Q: What EPA Radon Zone is Leetsdale in?

Leetsdale is in Allegheny County, EPA Zone 1.

Q: How much does radon mitigation cost in Leetsdale?

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

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

Leetsdale, PA Radon Facts

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

County Allegheny County, PA

Zip Code 15056

This Pittsburgh Metro community in Allegheny County reflects Pennsylvania's high radon potential, where underlying bedrock formations frequently contribute to elevated indoor levels. Testing data for Leetsdale (15056) is currently limited, making professional radon assessment particularly important for local homeowners. Given the prevalence of basement foundations throughout the region, residents should prioritize testing to ensure safe indoor air quality.

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 Leetsdale 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+

Leetsdale, 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 Leetsdale, PA

No homeowner tests have been submitted for Leetsdale 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
Ambridge	2.4 mi	20.00 pCi/L	1
Sewickley	2.8 mi	15.00 pCi/L	2
Aliquippa	6.0 mi	4.00 pCi/L	1
Cranberry Twp	9.8 mi	6.00 pCi/L	1
Allison Park	12.8 mi	8.00 pCi/L	1
New Brighton	12.8 mi	20.00 pCi/L	1
Mars	13.0 mi	6.00 pCi/L	1
Pittsburgh	14.4 mi	9.25 pCi/L	4

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 Leetsdale, PA

What EPA Radon Zone is Leetsdale in?

Leetsdale and the 15056 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 Leetsdale?

No homeowner radon tests have been submitted for Leetsdale 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 Leetsdale 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 Leetsdale?

Radon mitigation in Leetsdale 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 Leetsdale?

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.