Middlesex, NC Radon Levels

Q: What EPA Radon Zone is Middlesex in?

Middlesex is in Nash County, EPA Zone 3.

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

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

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

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

Middlesex, NC Radon Facts

EPA Radon Zone Zone 3 — Low Risk < 2.0 pCi/L (Zone 3)

County Nash County, NC

Zip Code 27557

Part of the Raleigh Metro area in Nash County, Middlesex sits within EPA Zone 3, indicating generally lower radon potential typical of North Carolina's Coastal Plain region. The community's mix of older residential properties and newer construction reflects varied foundation styles, from crawl spaces to slab-on-grade. Testing data for zip code 27557 remains limited, making individual home testing worthwhile for residents seeking to understand their radon exposure levels.

5.71

pCi/L area average

Above EPA Action Level

Nearby homeowner readings average 5.71 pCi/L, based on 17 tests from 10 nearby cities. No readings have been submitted for Middlesex yet, so the closest recorded data is shown as a benchmark. The EPA recommends taking action at or above 4.0 pCi/L.

4.0 EPA

10+

Middlesex, 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 Middlesex, NC

No homeowner tests have been submitted for Middlesex 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
Zebulon	7.7 mi	9.00 pCi/L	1
Wendell	10.7 mi	20.00 pCi/L	1
Louisburg	20.3 mi	3.50 pCi/L	2
Wake Forest	23.8 mi	4.50 pCi/L	2
Raleigh	25.3 mi	9.00 pCi/L	1
Benson	31.4 mi	5.00 pCi/L	1
Cary	33.8 mi	5.00 pCi/L	4
Apex	35.7 mi	3.50 pCi/L	2

Nash County Radon Profile

The EPA maps Nash County as Radon Zone 3, the lowest predicted classification, with modeled indoor screening levels under 2 pCi/L. Direct test data for Nash County remains limited, so the closest neighboring readings are used here to represent the radon conditions homeowners are likely to encounter. As the second leading cause of lung cancer in the U.S., radon warrants testing in every Nash County home regardless of zone or a neighbor's results.

Radon FAQ for Middlesex, NC

What EPA Radon Zone is Middlesex in?

Middlesex and the 27557 zip code are in Nash County, which has an EPA assigned Radon Zone of 3. A zone of 3 predicts an average indoor radon screening level less than 2 pCi/L.

Why are radon readings shown from areas near Middlesex?

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

Radon mitigation in Middlesex 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 Middlesex?

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.