Colbert, GA Radon Mitigation and Testing

Q: What EPA Radon Zone is Colbert in?

Colbert is in Madison County, EPA Zone 2.

Q: How much does radon mitigation cost in Colbert?

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

Madison County

EPA Zone 2

Located in Madison County within the Athens Metro area, Colbert sits in the Georgia Piedmont where crystalline bedrock and residual soils typically produce moderate radon levels. The community's housing stock in zip code 30628 includes both historic homes and newer construction, creating varied radon entry pathways. Testing data for Colbert remains limited, making professional radon evaluation important for homeowners to establish whether levels fall within EPA-recommended ranges.

Colbert, GA Radon Mitigation

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

Colbert, GA Radon Testing

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

Colbert Radon Facts

Key details about the radon risk profile for Colbert and the 30628 zip code area.

EPA Radon Zone

Zone 2 — Moderate Risk

County

Madison County, GA

Zip Code

30628

Predicted Screening Level

2–4 pCi/L (Zone 2)

Colbert and the 30628 zip code are located in Madison County, which has an EPA assigned Radon Zone of 2. A radon zone of 2 predicts an average indoor radon screening level between 2 and 4 pCi/L. The EPA recommends testing every home regardless of zone classification.

Radon FAQ for Colbert, GA

What EPA Radon Zone is Colbert in?

Colbert and the 30628 zip code are in Madison County, which has an EPA assigned Radon Zone of 2. A zone of 2 predicts an average indoor radon screening level between 2 and 4 pCi/L.

How much does radon mitigation cost in Colbert?

Radon mitigation in Colbert 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 Colbert?

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