Customers Served

Radons Gas Testing, Mitigation, Maintenance Services provided throughout Northern Virginia. Radon Defense is a locally owned and operated company providing solutions for all Radon Needs. We employ the latest in technology, tools, supplies, and equipment. Our services are provided for Home Owners, Home Buyers, Home Sellers, Real Estate Agents, and Home Inspectors. We are active members of AARST and NRPP. Radon Defense provides services in Arlington County, Fairfax County, Faquier County, Loudon County, Prince William County, and Stafford County. If you are in need of Radon Services call us at Radon Defense Today!

Jorge Costas AvatarJorge C.
Excellent Service! Had a great experience. Customer service on point and knowledgeable. Awesome company! - 8/18/2023 
JP Hong AvatarJP H.
The entire team of Radon Defense, from setting up the appointment to the inspection and repair, was on their A-game. It's what you'd hope and expect from a professional team... read more - 8/03/2023 
Renee Smith AvatarRenee S.
After determination was made for where to place the system and after consultation with us as the homeowners, the system was installed. The team was professional and kept us... read more - 7/28/2023 
Christopher Brennan AvatarChristopher B.
If you need any assistance with Radon in your home, call Radon Defense. The team consulted and installed a Radon mitigation system in my home in less than a few... read more - 7/04/2023 
Debra Dunbar AvatarDebra D.
Great experience. Office staff very responsive. Install crew was on-time, polite, efficient, and knowledgable. Initial pressure test result was suboptimal, so they sealed basement cracks and retested... read more - 6/09/2023 
The Director AvatarThe D.
Still the best: came back after 3 years to fix a vibration - best crews ever! We have put in two radon systems in other homes so I knew basically... read more - 5/02/2023 
Fawn W AvatarFawn W.
I rarely leave reviews, but Radon Defense was truly phenomenal from the office staff to the tech crew which installed our mitigation system. Responsive, knowledgeable, and professional all around.... read more - 4/15/2023 
Elena Schuenemeyer AvatarElena S.
I'm a real estate agent and needed a quick response and positive results. I got it with Radon Defense. They are everything I was looking for in radon mitigation. They're... read more - 3/02/2023