Clinton, NC Radon Levels

Q: What EPA Radon Zone is Clinton in?

Clinton is in Sampson County, EPA Zone 3.

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

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

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

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

Clinton, NC Radon Facts

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

County Sampson County, NC

Zip Code 28328

Positioned in southeastern North Carolina within Sampson County, this community sits in EPA Zone 3 where lower radon levels are typically expected across the Coastal Plain region. Testing data for the 28328 zip code area remains limited, though the area's sandy soils and sedimentary geology generally produce minimal radon concerns compared to other parts of the state. However, homeowners should still consider radon testing since individual properties can occasionally show elevated readings, particularly in homes with crawl spaces or basements.

5.00

pCi/L area average

Above EPA Action Level

Nearby homeowner readings average 5.00 pCi/L, based on 4 tests from 3 nearby cities. No readings have been submitted for Clinton 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+

Clinton, 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 Clinton, NC

No homeowner tests have been submitted for Clinton 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
Benson	29.5 mi	5.00 pCi/L	1
Fayetteville	33.3 mi	5.00 pCi/L	1
Lillington	40.1 mi	5.00 pCi/L	2

Sampson County Radon Profile

The EPA maps Sampson County as Radon Zone 3, the lowest predicted classification, with modeled indoor screening levels under 2 pCi/L. Direct test data for Sampson 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 Sampson County home regardless of zone or a neighbor's results.

Radon FAQ for Clinton, NC

What EPA Radon Zone is Clinton in?

Clinton and the 28328 zip code are in Sampson 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 Clinton?

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

Radon mitigation in Clinton 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 Clinton?

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.