EPA zone context: The Shenandoah Valley and Appalachian region are Zone 1. Northern Virginia is Zone 2. Coastal areas including Hampton Roads are Zone 3.
Radon Ease is a dedicated radon services company serving Powhatan, VA. Services include radon testing, radon mitigation system installation. Works with basements. Methods include heat recovery ventilation. Rated 4.2/5 on Google based on 5 reviews.
Licensed Provider: Daniel J Danko
Radon Solutions Incorporated is a dedicated radon services company serving Stanardsville, VA. Established in 1991. Services include radon testing, radon mitigation system installation. Works with slab foundations, crawlspaces. Methods include sub-slab depressurization, sub-membrane depressurization, heat recovery ventilation. Rated 4.9/5 on Google based on 20 reviews. Offers free estimates.
Licensed Provider: Benjamin Morehead
4.9 (693 Google reviews)
Licensed Provider: Azmi Alkurd
NextDay Inspect is a home inspection company with radon testing capabilities serving Sterling, VA. Services include radon testing, radon measurement. Methods include heat recovery ventilation. Holds Certified Radon Measurement Professional certification. Rated 4.9/5 on Google based on 693 reviews. Offers free estimates, rush/priority scheduling.
Licensed Provider: Toni J Felix
4.8 (25 Google reviews)
Licensed Provider: Jonathan Russell
A-Pro Home Inspection Services is a home inspection company with radon testing capabilities serving Winchester, VA. Established in 1994. Services include radon testing, radon measurement. Methods include heat recovery ventilation. Holds Certified Radon Measurement Professional certification. Rated 4.8/5 on Google based on 25 reviews. Offers real estate transaction testing.
5.0 (631 Google reviews)
Licensed Provider: Matthew W Williams
Williams Inspection Services, LLC is a dedicated radon services company serving Winchester, VA. Services include radon testing, radon measurement. Works with basements, crawlspaces. Methods include heat recovery ventilation. Holds Certified Radon Measurement Professional certification. Rated 5.0/5 on Google based on 631 reviews. Offers real estate transaction testing.
5.0 (158 Google reviews)
Licensed Provider: Kevin J Bryant
Radon Defense is a dedicated radon services company serving Woodbridge, VA. Services include radon mitigation system installation, mitigation system design, radon testing, radon measurement. Works with basements, slab foundations, crawlspaces. Methods include heat recovery ventilation. Holds Certified Radon Mitigation Specialist and Certified Radon Measurement Professional certifications. Rated 5.0/5 on Google based on 158 reviews. Offers real estate transaction testing.
5.0 (71 Google reviews)
Licensed Provider: Lyndsey F. Witt
Astrid Environmental Services, Inc. is a contractor offering radon-related services serving Wytheville, VA. Services include radon mitigation system installation, mitigation system design, radon testing, radon measurement. Works with basements. Methods include heat recovery ventilation. Holds Certified Radon Mitigation Specialist and Certified Radon Measurement Professional certifications. Rated 5.0/5 on Google based on 71 reviews.
Radon levels vary house-to-house even in the same city. Testing your own home is the only reliable way to know your risk.
Yes, moderately. Fairfax, Loudoun, and Prince William counties are Zone 2 with some Zone 1 pockets. Testing is common in NOVA real estate transactions.
Most homeowners in Virginia see mitigation quotes in the low-thousands, but the final cost depends on foundation type, fan location, and pipe routing complexity. A cost calculator can help you benchmark estimates before requesting bids.
Yes. A valid short-term or long-term test is the fastest way to confirm if mitigation is needed and to scope the right system design.
EPA recommends action at 4.0 pCi/L, and many homeowners choose to reduce levels even below that threshold. The Shenandoah Valley and Appalachian region are Zone 1. Northern Virginia is Zone 2. Coastal areas including Hampton Roads are Zone 3. ZIP-level lookup tools are useful for local context, but home testing is still required.
Look for current NRPP or NRSB credentials, ask for post-mitigation test expectations, and confirm local compliance details. Virginia does not require state-specific radon licensing beyond national certification. The Virginia Department of Health runs a voluntary radon program.
Estimate likely project pricing by foundation type and system complexity.
Learn when and how to test, plus how to interpret pCi/L results.
See how state-level risk varies and what zone maps can and cannot tell you.
Check projected local risk by ZIP code before you request quotes.