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Louisa, VA Radon Levels

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


Louisa, VA Radon Facts

EPA Radon Zone Zone 1 — High Risk > 4.0 pCi/L (Zone 1)
County Louisa County, VA
Zip Code 23093
Avg. User Level 8.30 pCi/L
User Tests 3

Serving both the Charlottesville and Richmond Metro areas in central Virginia's Louisa County, this community has recorded an average radon level of 8.33 pCi/L, which exceeds the EPA action level. The area sits in the Piedmont region where granite bedrock contributes to elevated radon production throughout central Virginia. Homeowners in zip code 23093 should test their properties for radon, particularly those with basements or crawl spaces that can trap this naturally occurring gas.

8.30
pCi/L average
Above EPA Action Level

Based on 3 user-submitted radon tests for homes in Louisa, VA. The EPA recommends taking action at or above 4.0 pCi/L.

0
4.0 EPA
10+

Louisa, VA Radon Mitigation

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Louisa, VA Radon Levels

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

Radon LevelCityHome AgeFoundation
20 pCi/L Louisa, VA 21-50 Years Full Basement
4 pCi/L Louisa, VA 0-20 Years Full Basement
1 pCi/L Louisa, VA 0-20 Years No Basement/All Crawl Space

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

Radon FAQ for Louisa, VA

What is the average radon level in Louisa, VA?
Based on 3 user-submitted tests, the average radon level in Louisa is 8.30 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 Louisa in?
Louisa and the 23093 zip code are in Louisa 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 Louisa?
Radon mitigation in Louisa 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 Louisa?
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