Radon Mitigation Ashburn › Areas
Radon Mitigation Service Areas: Ashburn and Loudoun County
Ashburn is the center of eastern Loudoun County: Dulles Technology Corridor data centers, the Silver Line's Ashburn station, and tens of thousands of single-family homes and townhomes with finished basements. Home sales here routinely include a radon test, and Loudoun's Zone 1 geology means many of those tests come back above the EPA action level.
Neighborhoods and districts
1990s neighborhoods with full basements
newer planned communities south of Route 7
mixed-use centers near the Silver Line
larger homes along the Potomac side of Route 7
eastern Loudoun neighbors toward Route 28
the county seat and western Loudoun, where private wells are common
Nearby cities we also serve
Leesburg · Sterling · Herndon · Reston · Chantilly · South Riding · Purcellville, and the rest of DC, Maryland and Virginia.
ZIP codes
20147, 20148
Ashburn facts
- Loudoun County is in EPA Radon Zone 1, the highest-potential zone, with predicted average indoor levels above the 4 pCi/L action level
Source: U.S. Environmental Protection Agency, Map of Radon Zones (Virginia) - About 45,000 residents in the Ashburn census-designated place; Loudoun County has about 440,000
Source: U.S. Census Bureau population estimates - Most Ashburn homes were built after 1990 on slab or basement foundations in planned communities such as Ashburn Farm, Ashburn Village, Broadlands, Brambleton and One Loudoun
Source: Loudoun County; U.S. Census Bureau American Community Survey - Virginia law requires anyone who offers radon testing or mitigation to be certified by the National Radon Proficiency Program (NRPP) or the National Radon Safety Board (NRSB)
Source: Code of Virginia § 32.1-229.01; Virginia Department of Health Radon Program