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Lorton, VA Radon Levels

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


Lorton, VA Radon Facts

EPA Radon Zone Zone 1 — High Risk > 4.0 pCi/L (Zone 1)
County Fairfax County, VA
Zip Code 22079
Avg. User Level 4.00 pCi/L
User Tests 1

Part of the Washington Metro in Fairfax County, Lorton at zip code 22079 shows an average radon level of 4.0 pCi/L based on available testing data. This reading sits right at the EPA action level threshold, indicating that homes in this area should be tested and potentially mitigated. The region's Piedmont geology and mix of housing types, from older homes to newer subdivisions, can create variable radon conditions that require individual property assessment.

4.00
pCi/L average
Above EPA Action Level

Based on 1 user-submitted radon test for homes in Lorton, VA. The EPA recommends taking action at or above 4.0 pCi/L.

0
4.0 EPA
10+

Lorton, VA Radon Mitigation

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

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Lorton, VA Radon Levels

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

Radon LevelCityHome AgeFoundation
4 pCi/L Lorton, VA 0-20 Years

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

Radon FAQ for Lorton, VA

What is the average radon level in Lorton, VA?
Based on 1 user-submitted test, the average radon level in Lorton is 4.00 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 Lorton in?
Lorton and the 22079 zip code are in Fairfax 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 Lorton?
Radon mitigation in Lorton 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 Lorton?
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 Virginia

Cities in Virginia with the most user-submitted radon test data, ranked by number of submissions.

CityAvg User Radon LevelSubmissions
Fredericksburg 7.29 pCi/L 7
King George 7.17 pCi/L 6
Leesburg 9.80 pCi/L 5
Chantilly 9.60 pCi/L 5
Fancy Gap 9.40 pCi/L 5
Williamsburg 5.80 pCi/L 5
Purcellville 10.75 pCi/L 4
Aldie 8.00 pCi/L 4
Front Royal 7.75 pCi/L 4
Bristol 7.50 pCi/L 4