Emerald Isle, NC Radon Levels

Q: What EPA Radon Zone is Emerald Isle in?

Emerald Isle is in Carteret County, EPA Zone 3.

Q: What EPA radon zones surround Emerald Isle, NC?

Emerald Isle sits in Carteret 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 Emerald Isle?

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

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

Emerald Isle, NC Radon Facts

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

County Carteret County, NC

Zip Code 28594

This coastal barrier island community in Carteret County sits in North Carolina's EPA Zone 3, where radon levels are typically low due to sandy soils and ocean proximity. Testing data for zip code 28594 is currently limited, though the area's elevated construction and coastal geology generally reduce radon risk. Even in low-risk areas, periodic testing remains recommended for all homes.

Emerald Isle, NC Radon Mitigation

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EPA Radon Zones Near Emerald Isle, NC

No user-submitted radon readings are available for Emerald Isle 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
Hubert	10.6 mi	Onslow County	Zone 3
Midway Park	17.2 mi	Onslow County	Zone 3
Havelock	17.7 mi	Craven County	Zone 3
Cherry Point	17.9 mi	Craven County	Zone 3
Maysville	18.2 mi	Onslow County	Zone 3
Camp Lejeune	19.1 mi	Onslow County	Zone 3
Mccutcheon Field	20.8 mi	Onslow County	Zone 3
Tarawa Terrace	20.8 mi	Onslow County	Zone 3

Carteret County Radon Profile

Local geology places Carteret 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 Carteret 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 Carteret County to test, as levels can differ between neighboring homes.

Radon FAQ for Emerald Isle, NC

What EPA Radon Zone is Emerald Isle in?

Emerald Isle and the 28594 zip code are in Carteret 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 Emerald Isle, NC?

Emerald Isle sits in Carteret 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 Emerald Isle?

Radon mitigation in Emerald Isle 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 Emerald Isle?

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.