Pelham, NC Radon Levels

Q: What EPA Radon Zone is Pelham in?

Pelham is in Caswell County, EPA Zone 2.

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

No homeowner radon tests have been submitted for Pelham yet, so readings from the closest cities and the Caswell 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 Pelham?

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

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

Pelham, NC Radon Facts

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

County Caswell County, NC

Zip Code 27311

Situated in Caswell County within the Greensboro Metro area, Pelham occupies Piedmont terrain where weathered granite and schist bedrock create moderate radon potential. Limited testing data in zip code 27311 highlights the need for individual home testing in this region. The area's mix of older farmhouses and newer residential development presents varying foundation types that can influence radon accumulation.

4.00

pCi/L area average

Above EPA Action Level

Caswell County average: 4.00 pCi/L, based on 1 user-submitted test across 1 city in the county. No homeowner readings have been submitted for Pelham 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+

Pelham, NC 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 Pelham, NC

No homeowner tests have been submitted for Pelham 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
Yanceyville	9.8 mi	4.00 pCi/L	1
Gibsonville	26.2 mi	6.00 pCi/L	1
Efland	31.8 mi	5.00 pCi/L	1
Hillsborough	35.7 mi	3.00 pCi/L	1
Rougemont	36.2 mi	9.00 pCi/L	1
Walnut Cove	39.3 mi	12.00 pCi/L	1
Chapel Hill	46.1 mi	3.00 pCi/L	1
Stem	46.4 mi	3.00 pCi/L	1

Caswell County Radon Profile

The soils and bedrock of Caswell County place it in EPA Radon Zone 2, a moderate-risk classification with predicted indoor averages of 2 to 4 pCi/L. Homeowner-submitted tests from 1 city in Caswell County average 4.00 pCi/L across 1 test — above the EPA's 4 pCi/L action level, reinforcing the need for testing across the county. Since radon is the second leading cause of lung cancer nationally, the EPA urges every household in Caswell County to test, as levels can differ between neighboring homes.

Radon FAQ for Pelham, NC

What EPA Radon Zone is Pelham in?

Pelham and the 27311 zip code are in Caswell 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 Pelham?

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

Radon mitigation in Pelham 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 Pelham?

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.