Thomas Bennett
(607) 483-2690✓ Verified October 4, 2026 on the official state list dated October 1, 2026, double-checked against a second state list.
Radon in ZIP code 18848
Last updated
ZIP 18848 lies entirely in Bradford County, Pennsylvania. EPA’s radon zone for this area: Zone 1, highest potential.
Zone 1 Bradford County, PA · 100% of the ZIP’s land area
Predicted average indoor screening level above 4 pCi/L.
What this means for homes in 18848
EPA built its zone map county by county in 1993, so every address in 18848 shares Bradford County’s prediction. The zone is a starting point, not a measurement of your house. Zone 1 areas like this one have a high share of homes above 4 pCi/L, so testing is a priority.
Next: read how to test your home, then check the number with the level calculator.
Radon professionals for 18848
These professionals are listed for Bradford County that 18848 falls in. Featured listings are paid placements and are labelled.
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Get radon quotes from certified pros in ZIP 18848
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Nearby ZIP codes in Bradford 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 18848?
ZIP 18848 lies in Bradford County, which EPA places in Zone 1 (highest potential).
Should I test for radon in 18848?
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 18848?
This page lists 1 professional for the county that 18848 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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