Clinton, NC Radon Mitigation and Testing

Q: What EPA Radon Zone is Clinton in?

Clinton is in Sampson County, EPA Zone 3.

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.

Sampson County

EPA Zone 3

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.

Clinton, NC Radon Mitigation

Professional radon mitigation is the most effective way to permanently lower radon levels and protect your household.

Clinton, NC Radon Testing

Finding qualified radon testing professionals is the first step toward protecting your home.

Clinton Radon Facts

Key details about the radon risk profile for Clinton and the 28328 zip code area.

EPA Radon Zone

Zone 3 — Low Risk

County

Sampson County, NC

Zip Code

28328

Predicted Screening Level

< 2.0 pCi/L (Zone 3)

Clinton and the 28328 zip code are located in Sampson County, which has an EPA assigned Radon Zone of 3. A radon zone of 3 predicts an average indoor radon screening level less than 2 pCi/L. The EPA recommends testing every home regardless of zone classification.

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.

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.

Most Active Radon Markets in North Carolina

Cities with the most user-submitted radon test data in the state.

City	Avg User Radon Level	Submissions
Murphy	12.83 pCi/L	6
Blowing Rock	10.17 pCi/L	6
Brevard	7.50 pCi/L	4
Cary	5.00 pCi/L	4
Highlands	4.50 pCi/L	4
Mooresville	4.00 pCi/L	4
Banner Elk	9.33 pCi/L	3
Charlotte	7.33 pCi/L	3
Denver	4.33 pCi/L	3
Hendersonville	9.00 pCi/L	2
Wake Forest	4.50 pCi/L	2
Apex	3.50 pCi/L	2
Huntersville	3.50 pCi/L	2
Raleigh	9.00 pCi/L	1
Fayetteville	5.00 pCi/L	1
Waxhaw	4.00 pCi/L	1
Chapel Hill	3.00 pCi/L	1
Clayton	No submissions	0
Fuquay Varina	No submissions	0
Holly Springs	No submissions	0