Home Radon Pros
(412) 584-0799✓ Verified October 4, 2026 on the official state list dated October 1, 2026, double-checked against a second state list.
Radon in ZIP code 15477
Last updated
ZIP 15477 lies entirely in Washington County, Pennsylvania. EPA’s radon zone for this area: Zone 2, moderate potential.
Zone 2 Washington 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 15477
EPA built its zone map county by county in 1993, so every address in 15477 shares Washington 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 15477
These professionals are listed for Washington County that 15477 falls in. Featured listings are paid placements and are labelled.
Joseph Lydic
(412) 912-8686✓ Verified October 4, 2026 on the official state list dated October 1, 2026, double-checked against a second state list.
Mark Jaworski
(412) 583-7962✓ Verified October 4, 2026 on the official state list dated October 1, 2026, double-checked against a second state list.
Michael Leone
(412) 292-0293✓ Verified October 4, 2026 on the official state list dated October 1, 2026, double-checked against a second state list.
Robert Scott Klein Jr.
(724) 413-5522✓ Verified October 4, 2026 on the official state list dated October 1, 2026, double-checked against a second state list.
Tyler Clifford
(888) 308-4018✓ Verified October 4, 2026 on the official state list dated October 1, 2026, double-checked against a second state list.
Free, no obligation
Get radon quotes from certified pros in ZIP 15477
Tell us what you need and we will try to connect you with up to three state-certified or licensed radon professionals who work in your area. It is free and there is no obligation.
We only share your request with radon professionals for this job. We do not sell your details to anyone else. Radon by ZIP may be paid by professionals for leads or featured placement.
Nearby ZIP codes in Washington 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 15477?
ZIP 15477 lies in Washington County, which EPA places in Zone 2 (moderate potential).
Should I test for radon in 15477?
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 15477?
This page lists 6 professionals for the county that 15477 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
Free. We email you the download link, plus an occasional plain-English guide. Unsubscribe any time. We never sell your email. Privacy