Calabash, NC Radon Levels

Q: What EPA Radon Zone is Calabash in?

Calabash is in Brunswick County, EPA Zone 3.

Q: What EPA radon zones surround Calabash, NC?

Calabash sits in Brunswick County, which the EPA classifies as Radon Zone 3. Among the nearby communities listed above, 8 in Zone 3 (low risk, under 2 pCi/L). EPA radon zones are county-level predictions of radon potential, so the EPA recommends testing every individual home regardless of its zone, since levels vary from house to house.

Q: How much does radon mitigation cost in Calabash?

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

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

Calabash, NC Radon Facts

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

County Brunswick County, NC

Zip Code 28467

Located in coastal Brunswick County near the South Carolina border, Calabash rests on sandy soils and marine sediments that generally produce lower radon concentrations. Testing data for this small coastal community in zip code 28467 is currently limited, making individual home testing essential for residents. Given the area's mixed foundation types and proximity to the Atlantic coast, radon levels can vary significantly between properties.

Calabash, NC Radon Mitigation

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

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EPA Radon Zones Near Calabash, NC

No user-submitted radon readings are available for Calabash or its immediate area yet. The table below shows the EPA radon zone — a county-level prediction of radon risk — for nearby communities. Radon still varies from home to home, so testing is the only way to confirm your level.

City	Distance	County	EPA Radon Zone
Nakina	15.3 mi	Columbus County	Zone 3
Tabor City	20.8 mi	Columbus County	Zone 3
Clarendon	21.7 mi	Columbus County	Zone 3
Hallsboro	28.6 mi	Columbus County	Zone 3
Whiteville	30.1 mi	Columbus County	Zone 3
Lake Waccamaw	30.3 mi	Columbus County	Zone 3
Bolton	31.1 mi	Columbus County	Zone 3
Southport	31.2 mi	Brunswick County	Zone 3

Brunswick County Radon Profile

Local geology places Brunswick County in EPA Radon Zone 3, where predicted indoor radon averages fall below 2 pCi/L — though no county is risk-free. Few homeowner tests have been logged inside Brunswick County so far, which is why this page draws on the nearest recorded readings to illustrate regional radon levels. Since radon is the second leading cause of lung cancer nationally, the EPA urges every household in Brunswick County to test, as levels can differ between neighboring homes.

Radon FAQ for Calabash, NC

What EPA Radon Zone is Calabash in?

Calabash and the 28467 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.

What EPA radon zones surround Calabash, NC?

Calabash sits in Brunswick County, which the EPA classifies as Radon Zone 3. Among the nearby communities listed above, 8 in Zone 3 (low risk, under 2 pCi/L). EPA radon zones are county-level predictions of radon potential, so the EPA recommends testing every individual home regardless of its zone, since levels vary from house to house.

How much does radon mitigation cost in Calabash?

Radon mitigation in Calabash 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 Calabash?

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.