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Lilburn, GA Radon Levels

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


Lilburn, GA Radon Facts

EPA Radon Zone Zone 1 — High Risk > 4.0 pCi/L (Zone 1)
County Gwinnett County, GA
Zip Code 30047
Avg. User Level 7.50 pCi/L
User Tests 2

Suburban Atlanta's Gwinnett County includes Lilburn, where crystalline bedrock and Piedmont geology have produced radon readings averaging 7.5 pCi/L, substantially exceeding EPA action levels. The community's mix of 1980s-2000s subdivision development, predominantly featuring basements and crawl spaces, creates conditions favorable for radon accumulation. Given these elevated readings in the 30047 area, immediate professional testing and mitigation consideration are strongly recommended for all residents.

7.50
pCi/L average
Above EPA Action Level

Based on 2 user-submitted radon tests for homes in Lilburn, GA. The EPA recommends taking action at or above 4.0 pCi/L.

0
4.0 EPA
10+

Lilburn, GA Radon Mitigation

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

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Lilburn, GA Radon Levels

User-submitted radon test readings from homes in the Lilburn area.

Radon LevelCityHome AgeFoundation
5 pCi/L Lilburn, GA 21-50 Years Partial Basement
10 pCi/L Lilburn, GA 21-50 Years Full Basement

Have a radon test result for Lilburn? Submit your reading to help other homeowners.

Radon Readings Near Lilburn, GA

Compare radon levels in Lilburn with the closest nearby cities that have user-submitted test data.

CityDistanceAvg User LevelReadings
Snellville 3.7 mi 8.75 pCi/L 4
Grayson 6.5 mi 18.00 pCi/L 1
Lawrenceville 7.3 mi 4.67 pCi/L 3
Stone Mountain 8.4 mi 6.00 pCi/L 2
Loganville 10.1 mi 7.75 pCi/L 4
Duluth 10.6 mi 5.00 pCi/L 1
Lithonia 11.3 mi 20.00 pCi/L 1
Suwanee 12.5 mi 6.00 pCi/L 1

Gwinnett County Radon Profile

The bedrock and soils beneath Gwinnett County are classified by the EPA as Radon Zone 1, the highest-risk tier, with predicted average indoor screening levels above 4 pCi/L. Homeowner-submitted tests from 8 cities in Gwinnett County average 8.80 pCi/L across 15 tests — above the EPA's 4 pCi/L action level, reinforcing the need for testing across the county. 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 Gwinnett County.

Radon FAQ for Lilburn, GA

What is the average radon level in Lilburn, GA?
Based on 2 user-submitted tests, the average radon level in Lilburn is 7.50 pCi/L. This exceeds the EPA's recommended action level of 4.0 pCi/L, and radon testing is recommended for all homes in the area.
What EPA Radon Zone is Lilburn in?
Lilburn and the 30047 zip code are in Gwinnett County, which has an EPA assigned Radon Zone of 1. A zone of 1 predicts an average indoor radon screening level greater than 4 pCi/L.
How much does radon mitigation cost in Lilburn?
Radon mitigation in Lilburn 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 Lilburn?
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.