Plymouth, NC Radon Levels

Q: What EPA Radon Zone is Plymouth in?

Plymouth is in Washington County, EPA Zone 3.

Q: What EPA radon zones surround Plymouth, NC?

Plymouth sits in Washington 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 Plymouth?

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

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

Plymouth, NC Radon Facts

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

County Washington County, NC

Zip Code 27962

Plymouth sits in Washington County in eastern North Carolina's coastal plain region (zip code 27962). With limited radon testing data currently available for this rural community, individual home testing becomes particularly important for residents. North Carolina's diverse geology can produce unexpected radon variations even in areas with historically lower readings.

Plymouth, NC Radon Mitigation

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EPA Radon Zones Near Plymouth, NC

No user-submitted radon readings are available for Plymouth 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
Williamston	20.2 mi	Martin County	Zone 3
Colerain	24.3 mi	Bertie County	Zone 3
Bath	26.3 mi	Beaufort County	Zone 3
Hamilton	26.9 mi	Martin County	Zone 3
Lewiston Woodville	28.0 mi	Bertie County	Zone 3
Tyner	28.2 mi	Chowan County	Zone 3
Belhaven	28.6 mi	Beaufort County	Zone 3
Columbia	28.7 mi	Tyrrell County	Zone 3

Washington County Radon Profile

The EPA maps Washington County as Radon Zone 3, the lowest predicted classification, with modeled indoor screening levels under 2 pCi/L. Direct test data for Washington County remains limited, so the closest neighboring readings are used here to represent the radon conditions homeowners are likely to encounter. As the second leading cause of lung cancer in the U.S., radon warrants testing in every Washington County home regardless of zone or a neighbor's results.

Radon FAQ for Plymouth, NC

What EPA Radon Zone is Plymouth in?

Plymouth and the 27962 zip code are in Washington 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 Plymouth, NC?

Plymouth sits in Washington 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 Plymouth?

Radon mitigation in Plymouth 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 Plymouth?

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.