Saint Simons Island, GA Radon Mitigation and Testing

Q: What EPA Radon Zone is Saint Simons Island in?

Saint Simons Island is in Glynn County, EPA Zone 3.

Q: How much does radon mitigation cost in Saint Simons Island?

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

Glynn County

EPA Zone 3

Saint Simons Island in Glynn County sits on Georgia's Atlantic coast, where sandy barrier island soils and saltwater intrusion generally create conditions less favorable for radon accumulation. The island's housing includes historic coastal homes, modern oceanfront construction, and inland developments, most built on elevated foundations or slabs due to flood requirements. Current testing data remains limited, making individual radon assessment valuable for residents to understand their property's specific conditions.

Saint Simons Island, GA Radon Mitigation

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

Saint Simons Island, GA Radon Testing

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

Saint Simons Island Radon Facts

Key details about the radon risk profile for Saint Simons Island and the 31522 zip code area.

EPA Radon Zone

Zone 3 — Low Risk

County

Glynn County, GA

Zip Code

31522

Predicted Screening Level

< 2.0 pCi/L (Zone 3)

Saint Simons Island and the 31522 zip code are located in Glynn 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 Saint Simons Island, GA

What EPA Radon Zone is Saint Simons Island in?

Saint Simons Island and the 31522 zip code are in Glynn 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 Saint Simons Island?

Radon mitigation in Saint Simons 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 Saint Simons 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