Lorton, VA Radon Mitigation and Testing

Q: What is the average radon level in Lorton, VA?

Based on 1 user-submitted tests, the average radon level is 4.00 pCi/L.

Q: What EPA Radon Zone is Lorton in?

Lorton is in Fairfax County, EPA Zone 1.

Q: How much does radon mitigation cost in Lorton?

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

Avg: 4.00 pCi/L

Fairfax County

EPA Zone 1

1 user test

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.

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.

Lorton, VA Radon Testing

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

Lorton, Virginia Radon Levels

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

Radon Level	City	Home Age	Foundation	Submitted
4 pCi/L	Lorton, VA	0-20 Years	—	Mar 2021

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

Lorton Radon Facts

Key details about the radon risk profile for Lorton and the 22079 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Fairfax County, VA

Zip Code

22079

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Avg. User Submitted Level

4.00 pCi/L

User Tests Submitted

Lorton and the 22079 zip code are located in Fairfax County, which has an EPA assigned Radon Zone of 1. A radon zone of 1 predicts an average indoor radon screening level greater than 4 pCi/L. The EPA recommends testing every home regardless of zone classification.

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

City	Avg User Radon Level	Submissions
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
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
Winchester	7.00 pCi/L	4
Williamsburg	5.75 pCi/L	4
Lovettsville	5.25 pCi/L	4
Woodbridge	4.50 pCi/L	4
Fairfax	9.67 pCi/L	3
Stafford	9.33 pCi/L	3
Louisa	8.33 pCi/L	3
Linden	7.67 pCi/L	3
Warrenton	7.67 pCi/L	3
Burke	5.67 pCi/L	3
Lynchburg	5.33 pCi/L	3