Alexandria, VA Radon Levels

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

Based on 1 user-submitted tests, the average radon level is 6.00 pCi/L.

Q: What EPA Radon Zone is Alexandria in?

Alexandria is in Alexandria City County, EPA Zone Unknown.

Q: How much does radon mitigation cost in Alexandria?

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

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

Alexandria, VA Radon Facts

EPA Radon Zone Unknown Unknown

County Alexandria City County, VA

Zip Code 22301

Avg. User Level 6.00 pCi/L

User Tests 1

Historic Alexandria in Alexandria City (22301) forms part of the Washington Metro area, built on Potomac River terraces and coastal plain sediments. The city's diverse housing stock ranges from colonial-era buildings to modern townhomes, with varying foundation types affecting radon entry potential. With no current testing data available, residents should consider radon testing as part of comprehensive home safety assessments in this densely populated urban area.

6.00

pCi/L average

Above EPA Action Level

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

4.0 EPA

10+

Alexandria, VA Radon Mitigation

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

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Radon FAQ for Alexandria, VA

What is the average radon level in Alexandria, VA?

Based on 1 user-submitted test, the average radon level in Alexandria is 6.00 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 Alexandria in?

Alexandria and the 22301 zip code are in Alexandria City County, which has an EPA assigned Radon Zone of Unknown. A zone of Unknown does not have sufficient data for classification.

How much does radon mitigation cost in Alexandria?

Radon mitigation in Alexandria 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 Alexandria?

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.

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
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