Ash, NC Radon Levels

Q: What EPA Radon Zone is Ash in?

Ash is in Brunswick County, EPA Zone 3.

Q: What EPA radon zones surround Ash, NC?

Ash 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 Ash?

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

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

Ash, NC Radon Facts

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

County Brunswick County, NC

Zip Code 28420

Located in coastal Brunswick County, Ash sits in North Carolina's Cape Fear region where sandy soils and proximity to tidal waters typically limit radon gas accumulation. The area's predominantly single-story homes with crawl space or slab foundations reflect the region's building practices adapted to coastal conditions. While testing data for zip code 28420 is currently unavailable, coastal areas generally show lower radon potential than inland regions.

Ash, 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 Ash, NC

No user-submitted radon readings are available for Ash 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
Clarendon	16.6 mi	Columbus County	Zone 3
Hallsboro	18.3 mi	Columbus County	Zone 3
Tabor City	18.6 mi	Columbus County	Zone 3
Lake Waccamaw	18.9 mi	Columbus County	Zone 3
Bolton	19.4 mi	Columbus County	Zone 3
Delco	20.6 mi	Columbus County	Zone 3
Whiteville	21.5 mi	Columbus County	Zone 3
Riegelwood	24.1 mi	Columbus 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 Ash, NC

What EPA Radon Zone is Ash in?

Ash and the 28420 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 Ash, NC?

Ash 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 Ash?

Radon mitigation in Ash 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 Ash?

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.