Tybee Island, GA Radon Mitigation and Testing

Q: What EPA Radon Zone is Tybee Island in?

Tybee Island is in Chatham County, EPA Zone 3.

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.

Chatham County

EPA Zone 3

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.

Tybee Island, GA Radon Mitigation

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

Tybee Island, GA Radon Testing

Finding qualified radon testing professionals is the first step toward protecting your home.

Tybee Island Radon Facts

Key details about the radon risk profile for Tybee Island and the 31328 zip code area.

EPA Radon Zone

Zone 3 — Low Risk

County

Chatham County, GA

Zip Code

31328

Predicted Screening Level

< 2.0 pCi/L (Zone 3)

Tybee Island and the 31328 zip code are located in Chatham County, which has an EPA assigned Radon Zone of 3. A radon zone of 3 predicts an average indoor radon screening level less than 2 pCi/L. The EPA recommends testing every home regardless of zone classification.

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.

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.

Most Active Radon Markets in Georgia

Cities with the most user-submitted radon test data in the state.

City	Avg User Radon Level	Submissions
Atlanta	8.80 pCi/L	5
Cartersville	9.50 pCi/L	4
Snellville	8.75 pCi/L	4
Loganville	7.75 pCi/L	4
Gainesville	4.75 pCi/L	4
Cumming	4.50 pCi/L	4
Blairsville	10.00 pCi/L	3
Lawrenceville	4.67 pCi/L	3
Buford	15.50 pCi/L	2
Winder	14.50 pCi/L	2
Blue Ridge	12.00 pCi/L	2
Stone Mountain	6.00 pCi/L	2
Flowery Branch	5.50 pCi/L	2
Ellijay	4.00 pCi/L	2
Woodstock	2.00 pCi/L	2
Alpharetta	6.00 pCi/L	1
Powder Springs	6.00 pCi/L	1
Dawsonville	4.00 pCi/L	1
Acworth	No submissions	0
Kennesaw	No submissions	0