Dan Jones
(724) 628-6838✓ Verified October 4, 2026 on the official state list dated October 1, 2026, double-checked against a second state list.
Radon in ZIP code 15443
Last updated
ZIP 15443 lies entirely in Fayette County, Pennsylvania. EPA’s radon zone for this area: Zone 2, moderate potential.
Zone 2 Fayette County, PA · 100% of the ZIP’s land area
Predicted average indoor screening level from 2 to 4 pCi/L.
What this means for homes in 15443
EPA built its zone map county by county in 1993, so every address in 15443 shares Fayette County’s prediction. The zone is a starting point, not a measurement of your house. In a Zone 2 area many homes are fine and many are not; only a test tells you which yours is.
Next: read how to test your home, then check the number with the level calculator.
Radon professionals for 15443
These professionals are listed for Fayette County that 15443 falls in. Featured listings are paid placements and are labelled.
David Dowling
(724) 208-4108✓ Verified October 4, 2026 on the official state list dated October 1, 2026, double-checked against a second state list.
Shadyside Home Inspections, LLC
(724) 570-6196✓ Verified October 4, 2026 on the official state list dated October 1, 2026, double-checked against a second state list.
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Nearby ZIP codes in Fayette County
Pennsylvania radon help
PA Dept. of Environmental Protection, Bureau of Radiation Protection (717-783-3594) can help with test kits, local data and credentialed professionals: www.dep.pa.gov/Business/RadiationProtection/RadonDivision/Pages/Radon-in-the-home.aspx.
Frequently asked questions
What is the radon zone for ZIP code 15443?
ZIP 15443 lies in Fayette County, which EPA places in Zone 2 (moderate potential).
Should I test for radon in 15443?
Yes. EPA recommends testing every home regardless of zone, because radon varies from house to house. Fix the home if a confirmed result is 4 pCi/L or higher, and consider fixing between 2 and 4 pCi/L.
Are there certified radon professionals near 15443?
This page lists 3 professionals for the county that 15443 falls in, each checked against the state's official certification or licence list.
Free checklist · PDF
Radon Test Checklist
A one-page, step-by-step checklist for running a home radon test right the first time, and what to do with the number.
- Short-term vs. long-term test: which to use
- Closed-house conditions and where to place the kit
- What 2, 4 and 8 pCi/L mean and when to fix
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