Fredericktown, PA Radon Levels

Q: What EPA Radon Zone is Fredericktown in?

Fredericktown is in Washington County, EPA Zone 2.

Q: How much does radon mitigation cost in Fredericktown?

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

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

Fredericktown, PA Radon Facts

EPA Radon Zone Zone 2 — Moderate Risk 2–4 pCi/L (Zone 2)

County Washington County, PA

Zip Code 15333

Located in Washington County within the Pittsburgh Metro area, Fredericktown sits atop Pennsylvanian-era coal measures and limestone formations that can produce variable radon conditions. This southwestern Pennsylvania community features housing typical of the region, including older homes with stone foundations and newer construction with modern basement systems. Without extensive local testing data, residents should prioritize radon assessment, especially given the geological characteristics common to this coal-region landscape.

7.80

pCi/L area average

Above EPA Action Level

Washington County average: 7.80 pCi/L, based on 5 user-submitted tests across 3 cities in the county. No homeowner readings have been submitted for Fredericktown 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+

Fredericktown, 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 Fredericktown, PA

No homeowner tests have been submitted for Fredericktown 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
Uniontown	16.3 mi	4.00 pCi/L	1
Washington	18.0 mi	5.00 pCi/L	1
West Newton	19.0 mi	6.00 pCi/L	1
South Park	20.1 mi	7.00 pCi/L	2
Canonsburg	20.5 mi	8.33 pCi/L	3
Bethel Park	22.1 mi	10.00 pCi/L	1
Mckeesport	24.9 mi	7.00 pCi/L	1
Irwin	26.3 mi	10.00 pCi/L	1

Washington County Radon Profile

EPA mapping assigns Washington County to Radon Zone 2, indicating moderate predicted indoor screening levels in the 2 to 4 pCi/L range based on regional geology. Homeowner-submitted tests from 3 cities in Washington County average 7.80 pCi/L across 5 tests — above the EPA's 4 pCi/L action level, reinforcing the need for testing across the county. As the second leading cause of lung cancer in the U.S., radon warrants testing in every Washington County home regardless of zone or a neighbor's results.

Radon FAQ for Fredericktown, PA

What EPA Radon Zone is Fredericktown in?

Fredericktown and the 15333 zip code are in Washington County, which has an EPA assigned Radon Zone of 2. A zone of 2 predicts an average indoor radon screening level between 2 and 4 pCi/L.

Why are radon readings shown from areas near Fredericktown?

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

Radon mitigation in Fredericktown 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 Fredericktown?

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.