Freeport, PA Radon Levels

Q: What EPA Radon Zone is Freeport in?

Freeport is in Armstrong County, EPA Zone 1.

Q: How much does radon mitigation cost in Freeport?

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

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

Freeport, PA Radon Facts

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

County Armstrong County, PA

Zip Code 16229

Situated in Armstrong County within the Pittsburgh metro area, Freeport sits atop sedimentary rock formations typical of western Pennsylvania's geological landscape. While radon testing data for zip code 16229 remains limited, Pennsylvania's EPA Zone 1 designation reflects the state's well-documented potential for elevated indoor radon levels. The area's mix of older homes with stone foundations and newer construction makes professional radon testing essential for all residents.

13.50

pCi/L area average

Above EPA Action Level

Armstrong County average: 13.50 pCi/L, based on 2 user-submitted tests across 1 city in the county. No homeowner readings have been submitted for Freeport 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+

Freeport, 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 Freeport, PA

No homeowner tests have been submitted for Freeport 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
Apollo	11.1 mi	14.00 pCi/L	1
Kittanning	11.1 mi	13.50 pCi/L	2
Gibsonia	15.7 mi	4.00 pCi/L	1
Butler	16.5 mi	12.40 pCi/L	5
Verona	17.1 mi	12.00 pCi/L	1
Murrysville	17.8 mi	5.00 pCi/L	1
Allison Park	18.4 mi	8.00 pCi/L	1
Export	19.4 mi	7.50 pCi/L	2

Armstrong County Radon Profile

Armstrong 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 1 city in Armstrong County average 13.50 pCi/L across 2 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 Armstrong County to test, as levels can differ between neighboring homes.

Radon FAQ for Freeport, PA

What EPA Radon Zone is Freeport in?

Freeport and the 16229 zip code are in Armstrong 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 Freeport?

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

Radon mitigation in Freeport 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 Freeport?

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.