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Arlington, VA Radon Levels

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


Arlington, VA Radon Facts

EPA Radon Zone Zone 2 — Moderate Risk 2–4 pCi/L (Zone 2)
County Arlington County, VA
Zip Code 22201
Avg. User Level 4.00 pCi/L
User Tests 2

Situated in Arlington County across the Potomac River from Washington D.C., this area shows an average radon level of 4.0 pCi/L based on recent testing. The county's Piedmont geology and mix of high-rise condominiums and older single-family homes create variable radon conditions that warrant individual testing.

4.00
pCi/L average
Above EPA Action Level

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

0
4.0 EPA
10+

Arlington, VA Radon Mitigation

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

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Arlington, VA Radon Levels

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

Radon LevelCityHome AgeFoundation
6 pCi/L Arlington, VA 100+ Years Full Basement
2 pCi/L Arlington, VA 51-99 Years Full Basement

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

Radon FAQ for Arlington, VA

What is the average radon level in Arlington, VA?
Based on 2 user-submitted tests, the average radon level in Arlington 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 Arlington in?
Arlington and the 22201 zip code are in Arlington 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 Arlington?
Radon mitigation in Arlington 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 Arlington?
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