Top-rated radon detection and reduction specialists.

Best radon detection and reduction specialists near South Riding, VA

Enter your zip and get matched with up to 5 pros

Need a pro for your radon detection and reduction project in South Riding, VA?

Select your specific project to find the pro for you.

TRUSTED BY SOUTH RIDING, VA HOMEOWNERS

  • Average homeowner rating star icon4.7
    Average homeowner rating
  • Verified reviews icon13
    Verified radon detection and reduction services reviews

Top-Rated Radon detection and reduction specialists in South Riding - Updated Nov 2026

Avatar for Radon Abatement Services
Radon Abatement Services
4.9(
257
)
Radon Gas - Abatement

Serving South Riding, VA and surrounding areas

Approved

In business since 1998

Free estimates

Warranties offered

"Radon Abatement services is a reliable dependable superb company. I have had an excellent experience from start to finish. Scheduling was easy and expeditious, service was professionally and very well done. Most importantly, Radon is gone with its in-house level reduced to almost its outside level. John Swett was very helpful and kindly answered all my emails and quickly addressed every concern I had. This project could not have been done better."
Additional Photos
1 neighbors recently requested a quote
Recommended by97%of homeowners
Avatar for Radon Abatement Services, LLC
Radon Abatement Services, LLC
4.6(
135
)
Radon Gas - Abatement

Serving South Riding, VA and surrounding areas

Approved

In business since 1997

Free estimates

Customers say: Quick response

"After my basement test come back with significantly elevated radon, I contacted radon abatement services at the recommendation of a neighbor. A day and a half later, they were on site. While performing the initial walk through, the experienced and thoughtful professionals adapted their plan to utilize my sump pump. This was an effective strategy as it addressed the main source of radon and concealed the system in completely unfinished space. I just received my post mitigation radon results, and the system is working phenomenally. To sum it up, I was blown away by the responsiveness, thoughtfulness, and reasonableness and can't say enough positive things about this company. I don't ever post reviews, but in this circumstance I absolutely had to."
11 neighbors recently requested a quote
Recommended by98%of homeowners
Avatar for NextDay Inspect
NextDay Inspect
4.9(
514
)
Radon Gas - Testing

Serving South Riding, VA and surrounding areas

Approved

Super Service Award Winner

In business since 2008

Free estimates

Emergency services offered

"It all went very well Azmi came out and checked all areas of my home for Mold, particulate, and Radon as well as other gases, we opted for complete screening but they offer all size packages"
Inspections with Matthew
Inspections with Larry
Inspections with Dimitri
Inspections with Rhonda
Cracks in the Foundation- Here we find moderate cracks in the foundation, with evidence that they've been repaired before.

+738

Response time8 hrs
Response rate100%
4 neighbors recently requested a quote
Avatar for Radon Experts of VA, LLC
Radon Experts of VA, LLC
4.9(
83
)
Radon Gas - Abatement

Serving South Riding, VA and surrounding areas

In business since 2015

Free estimates

Emergency services offered

"They were polite and quick to get the work done. The first installation was not sufficient to reduce the radon levels but they came out a second time, free of charge, to make the necessary changes. The final result was more than satisfactory."
external
components
Internal Part
exterior
External part

+23

Recommended by98%of homeowners
Dragon Ridge Home Inspections
5.0(
8
)
Radon Gas - AbatementRadon Gas - Testing

Serving South Riding, VA and surrounding areas

In business since 2003

Free estimates

Credit card accepted

"JT of Dragon Ridge performed a Home Inspection and Radon Testing of a SFH in Fairfax, VA. JT arrived before I did, and was already examining the exterior of the property. While we waiting for my realtor to arrive, he grabbed a ladder and did a complete inspection of the roof (not all inspectors do this). Once we got inside, he explained the processes and we began. I shadowed him throughout the whole processes, and it was a wonderful experience. He was very thorough and knowledgeable, and was always willing to provide complete and educational answers about both the good and the bad he found. We got the report later that evening, and it was well written, with plenty of pictures of any deficiencies. He also performed a Radon test, and reported the results a few days later. I spoke to him over the phone about the findings, and he was able to discuss in detail the methodology he used, and the meanings of the testing numbers. Overall, I would highly recommend JT and Dragon Ridge."
Additional Photos
Additional Photos
Additional Photos
Recommended by100%of homeowners
Avatar for Water Damage America
Water Damage America
5.0(
100
)
Radon Gas - AbatementRadon Gas - Testing

Serving South Riding, VA and surrounding areas

In business since 2014

Free estimates

Emergency services offered

Water Damage America provides the best and most reliable restoration services, we sustain our business on quality and integrity. We are experts in Water Damage and Water Mitigation Services. We are committed to quality from the beginning to the end of your project. We look forward to earning your business. We always work according to IICRC standards in restoration.\nWe are always available 24/7 for our valuable people to put them out of any Water Damage-related emergency.\n

Recommended by98%of homeowners
Avatar for CSI Home and Commercial Services
CSI Home and Commercial Services
4.6(
80
)
Radon Gas - AbatementRadon Gas - Testing

Serving South Riding, VA and surrounding areas

In business since 1995

Free estimates

Credit card accepted

"CSI was flexible and was able to schedule a home inspector the day after I got a bid accepted on a house. The inspector, Patrick, showed up on time and the inspection took about 4 hours. Patrick was responsive to any questions I had by email or live during the inspection. My one recommendation is that I requested a pest, mold, radon, and home inspection. It would be a better heads up if they explained that they sometimes outsource the radon inspection depending on availability of radon inspectors. Also, they can explain a bit more for new home buyers what is involved with a mold inspection. Patrick ended up just eyeing whether he spotted any mold. Because he did not see any mold, we did not have to pay extra for mold samples."
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+5

Recommended by97%of homeowners
Showing 1-10 of 22
Radon Detection and Reduction FAQs, answered by experts

You can vent radon out of your house sometimes by simply opening a window, but it won’t remove the source, and will likely rise above recommended levels quickly. A professional will be needed to assess your home, and determine the best strategy for radon removal. Active radon sump pumps and soil depressurization systems are often used to forcefully vent the radon from your home.

Radon is present almost everywhere but, like sunlight, the concentration levels and how often you are exposed to it have a large part to play in just how dangerous it is. There are levels of radon that are acceptable inside a house, but above a certain limit, radon becomes a serious radioactive hazard that is a known cause of lung cancer. In fact, radon exposure is the number two leading cause of lung cancer (after smoking).

The natural breakdown of uranium in soil, rock, and water can cause radon to appear in a home. The gas seeps into homes through cracks in foundations, walls, or floors, as well as through gaps around pipes or construction joints. Radon levels are influenced by soil composition, building materials, and ventilation. Poorly sealed or airtight homes can trap radon, allowing it to accumulate.

If your home has a sump pit, you can integrate it with a radon mitigation system. You can accomplish this by sealing the pump cover with an airtight lid that accommodates radon vent pipes and sump pump hoses. This allows the vent pipe to redirect the radon gas outside of your home.

No, air purifiers are not an effective way to reduce or remove radon. Radon is a radioactive, inert gas that cannot be filtered by standard air purifiers, which are designed to capture particulates like dust and mold. While an air purifier can improve indoor air quality by removing other pollutants, it should not be relied upon for radon. The only effective solution for high radon levels is a dedicated radon mitigation system.

The South Riding, VA homeowners’ guide to radon detection and reduction services

From average costs to expert advice, get all the answers you need to get your job done.