Ulster, PA Radon Levels

Q: What EPA Radon Zone is Ulster in?

Ulster is in Bradford County, EPA Zone 1.

Q: Why are radon readings shown from areas near Ulster?

No homeowner radon tests have been submitted for Ulster yet, so readings from the closest cities and the Bradford County average are used as the best available indicator of local conditions. The EPA recommends testing every individual home.

Q: How much does radon mitigation cost in Ulster?

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

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

Ulster, PA Radon Facts

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

County Bradford County, PA

Zip Code 18850

Located in Bradford County within Pennsylvania's EPA Zone 1, Ulster sits on Devonian shale formations that contribute to elevated radon potential throughout the region. Testing data for the 18850 area is currently limited, but the underlying geology strongly suggests residents should prioritize radon testing. The community's rural housing stock includes both historic farmhouses and newer construction, many featuring full basements that can effectively trap radon gas.

7.83

pCi/L area average

Above EPA Action Level

Bradford County average: 7.83 pCi/L, based on 6 user-submitted tests across 4 cities in the county. No homeowner readings have been submitted for Ulster 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+

Ulster, 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 Ulster, PA

No homeowner tests have been submitted for Ulster 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
Milan	4.5 mi	7.00 pCi/L	1
Monroeton	8.8 mi	20.00 pCi/L	1
Sayre	10.1 mi	5.00 pCi/L	3
Sugar Run	20.1 mi	5.00 pCi/L	1
Nicholson	39.8 mi	20.00 pCi/L	1
Wellsboro	42.9 mi	9.00 pCi/L	1
Montoursville	45.1 mi	14.00 pCi/L	1
Shavertown	45.9 mi	8.00 pCi/L	1

Bradford County Radon Profile

The bedrock and soils beneath Bradford County are classified by the EPA as Radon Zone 1, the highest-risk tier, with predicted average indoor screening levels above 4 pCi/L. Homeowner-submitted tests from 4 cities in Bradford County average 7.83 pCi/L across 6 tests — above the EPA's 4 pCi/L action level, reinforcing the need for testing across the county. Radon is the second leading cause of lung cancer in the United States, and a short-term test is the only way to confirm a specific home's level in Bradford County.

Radon FAQ for Ulster, PA

What EPA Radon Zone is Ulster in?

Ulster and the 18850 zip code are in Bradford 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 Ulster?

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

Radon mitigation in Ulster 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 Ulster?

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.