Evergreen, NC Radon Mitigation and Testing

Q: What EPA Radon Zone is Evergreen in?

Evergreen is in Columbus County, EPA Zone 3.

Q: How much does radon mitigation cost in Evergreen?

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

Columbus County

EPA Zone 3

Positioned in southeastern North Carolina's Columbus County, Evergreen sits on Atlantic Coastal Plain sediments that typically yield lower radon readings. Current testing data for zip code 28438 is insufficient for detailed analysis, making individual home testing worthwhile for concerned residents. The area's housing mix includes both traditional rural homes and newer suburban construction, many featuring crawl space or slab-on-grade foundations common to coastal plain regions.

Evergreen, NC Radon Mitigation

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

Evergreen, NC Radon Testing

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

Evergreen Radon Facts

Key details about the radon risk profile for Evergreen and the 28438 zip code area.

EPA Radon Zone

Zone 3 — Low Risk

County

Columbus County, NC

Zip Code

28438

Predicted Screening Level

< 2.0 pCi/L (Zone 3)

Evergreen and the 28438 zip code are located in Columbus 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 Evergreen, NC

What EPA Radon Zone is Evergreen in?

Evergreen and the 28438 zip code are in Columbus 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 Evergreen?

Radon mitigation in Evergreen 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 Evergreen?

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