Supply, NC Radon Mitigation and Testing

Q: What EPA Radon Zone is Supply in?

Supply is in Brunswick County, EPA Zone 3.

Q: How much does radon mitigation cost in Supply?

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

Brunswick County

EPA Zone 3

Supply in Brunswick County sits within the Wilmington Metro's coastal plain region, where sandy soils and marine sediments typically produce lower radon concentrations. However, testing data remains sparse for zip code 28462, making baseline measurements important for homeowners. Even in coastal areas with generally favorable geology, individual properties can experience radon accumulation depending on construction type and local soil conditions.

Supply, NC Radon Mitigation

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

Supply, NC Radon Testing

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

Supply Radon Facts

Key details about the radon risk profile for Supply and the 28462 zip code area.

EPA Radon Zone

Zone 3 — Low Risk

County

Brunswick County, NC

Zip Code

28462

Predicted Screening Level

< 2.0 pCi/L (Zone 3)

Supply and the 28462 zip code are located in Brunswick 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 Supply, NC

What EPA Radon Zone is Supply in?

Supply and the 28462 zip code are in Brunswick 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 Supply?

Radon mitigation in Supply 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 Supply?

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