Reston, VA Radon Levels

Q: What EPA Radon Zone is Reston in?

Reston is in Fairfax County, EPA Zone 1.

Q: How much does radon mitigation cost in Reston?

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

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

Reston, VA Radon Facts

EPA Radon Zone Zone 1 — High Risk > 4.0 pCi/L (Zone 1)

County Fairfax County, VA

Zip Code 20190

This planned community in Fairfax County (20190) represents one of the Washington Metro area's most distinctive suburban developments, built primarily from the 1960s onward. While specific radon testing data for Reston remains limited, northern Virginia's diverse geology, including granite intrusions and sedimentary formations, can produce variable radon levels throughout the region. The community's mix of townhomes, condominiums, and single-family homes with different foundation types means testing is advisable across all housing styles.

Reston, 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 Reston, VA

What EPA Radon Zone is Reston in?

Reston and the 20190 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 Reston?

Radon mitigation in Reston 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 Reston?

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