Tybee Island, GA Radon Levels

Q: What EPA Radon Zone is Tybee Island in?

Tybee Island is in Chatham County, EPA Zone 3.

Q: Why are radon readings shown from areas near Tybee Island?

No homeowner radon tests have been submitted for Tybee Island yet, so readings from the closest cities and the Chatham County average are used as the best available indicator of local conditions. The EPA recommends testing every individual home.

Q: How much does radon mitigation cost in Tybee Island?

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

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

Tybee Island, GA Radon Facts

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

County Chatham County, GA

Zip Code 31328

Positioned in Chatham County as a barrier island near Savannah, Tybee Island sits over sandy coastal deposits that typically result in lower radon levels compared to inland areas. The island's housing stock includes both historic cottages and modern beach homes, most built on elevated foundations or slabs to accommodate the coastal environment. Although radon testing data for zip code 31328 is currently limited, residents should still test their homes since radon can accumulate even in coastal settings.

5.00

pCi/L area average

Above EPA Action Level

Nearby homeowner readings average 5.00 pCi/L, based on 1 test from 1 nearby city. No readings have been submitted for Tybee Island yet, so the closest recorded data is shown as a benchmark. The EPA recommends taking action at or above 4.0 pCi/L.

4.0 EPA

10+

Tybee Island, GA Radon Mitigation

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

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Radon Readings Near Tybee Island, GA

No homeowner tests have been submitted for Tybee Island yet. The closest cities with user-submitted radon data are shown below — explore them to gauge local conditions. Radon varies by home, so testing is the only way to know your level.

City	Distance	Avg User Level	Readings
Richmond Hill	27.1 mi	5.00 pCi/L	1

Chatham County Radon Profile

Chatham County is classified as EPA Radon Zone 3, the lowest predicted-risk tier, with modeled indoor screening averages below 2 pCi/L. User-submitted readings are still sparse within Chatham County itself, so the nearby measurements shown on this page provide the closest real-world picture of local radon conditions. Radon is the second leading cause of lung cancer in the United States, and a short-term test is the only way to confirm a specific home's level in Chatham County.

Radon FAQ for Tybee Island, GA

What EPA Radon Zone is Tybee Island in?

Tybee Island and the 31328 zip code are in Chatham 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.

Why are radon readings shown from areas near Tybee Island?

No homeowner radon tests have been submitted for Tybee Island yet. Because radon is driven by regional soil and bedrock geology, readings from the closest cities—and the Chatham County average—are the best available indicator of local conditions until Tybee Island homeowners submit their own results. The EPA still recommends testing every individual home, since levels can vary significantly from house to house.

How much does radon mitigation cost in Tybee Island?

Radon mitigation in Tybee Island 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 Tybee Island?

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.