Milton, NC Radon Levels

Q: What EPA Radon Zone is Milton in?

Milton is in Caswell County, EPA Zone 2.

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

No homeowner radon tests have been submitted for Milton 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 Milton?

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

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

Milton, NC Radon Facts

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

County Caswell County, NC

Zip Code 27305

Positioned in Caswell County within the Durham metro area, Milton sits on Piedmont crystalline bedrock that can produce variable radon levels across north-central North Carolina. Testing data for zip code 27305 is currently unavailable, making individual property testing important for residents. The area's geological conditions and housing characteristics warrant attention to radon testing, particularly in homes with basements or crawl spaces.

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 Milton 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+

Milton, 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 Milton, NC

No homeowner tests have been submitted for Milton 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	11.5 mi	4.00 pCi/L	1
Rougemont	25.6 mi	9.00 pCi/L	1
Efland	29.4 mi	5.00 pCi/L	1
Hillsborough	31.1 mi	3.00 pCi/L	1
Gibsonville	34.0 mi	6.00 pCi/L	1
Stem	34.8 mi	3.00 pCi/L	1
Oxford	35.5 mi	4.00 pCi/L	2
Chapel Hill	42.3 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 Milton, NC

What EPA Radon Zone is Milton in?

Milton and the 27305 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 Milton?

No homeowner radon tests have been submitted for Milton 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 Milton 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 Milton?

Radon mitigation in Milton 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 Milton?

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.