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*The Angi rating for Radon Detection And Reduction companies in Selbyville, DE is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Radon Detection And Reduction needs.

*The HomeAdvisor rating for Radon Detection And Reduction companies in Selbyville, DE is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Radon Detection And Reduction needs.

Last update on June 26, 2025

Find Radon detection and reduction specialists in Selbyville

Avatar for Lawson Home Services, LLC
Lawson Home Services, LLC
4.4(
38
)
Radon Gas - AbatementRadon Gas - Testing

Serving Selbyville, DE and surrounding areas

Approved

In business since 2010

Free estimates

Emergency services offered

"It was a system that was needed to reduce radon in our basement"
Insulated Storage Deck
Insulated Storage deck with sturdy insulation retention dam around the perimeter.
Attic insulated to R60 TruSoft Cellulose
Chimney properly air sealed and wrapped with rockwool
Additional Photos

+2

Response rate100%
2 neighbors recently requested a quote
Recommended by85%of homeowners
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Avatar for In and Out Home Inspections, LLC
In and Out Home Inspections, LLC
4.8(
90
)
Radon Gas - Testing

Serving Selbyville, DE and surrounding areas

Approved

In business since 2016

Free estimates

Warranties offered

"Bill explained the whole process of the inspections, answered all my questions and was very through. I would definitely recommend him and his company!"
Response time7 hrs
56 neighbors recently requested a quote
Recommended by94%of homeowners
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Avatar for SWAT Environmental, Inc.
SWAT Environmental, Inc.
4.4(
24
)
Radon Gas - Abatement

Serving Selbyville, DE and surrounding areas

In business since 2002

Free estimates

"The Technician Tom was very educated and took time to answer my questions to which I all ready new the answers to. This was my test to his knowledge before we got started on the job. H was very good explaining the operation of the system to us, which helped my wife hear it from a different person other then myself. Workmanship is very neat and clean and a very professional job. I hail form a service background of 35 years and can say Tom was an excellent customer service person."
Recommended by91%of homeowners
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Radon Detection and Reduction questions, answered by experts

Mitigation reduces radon levels, protecting your health and complying with safety standards.

The cost for a radon mitigation system typically ranges from $800 to $1,500, with an average around $1,000. The final price depends on several factors, including the size of your home, the severity of the radon issue, and the type of system required. Your home's foundation type also significantly impacts the cost. For example, sealing and ventilating an unfinished basement might cost around $4,600, while encapsulating a crawl space without a foundation slab can range from $1,500 to $15,000.

Radon is a cancer-causing radioactive gas that poses serious health risks, infiltrating homes through foundation cracks and unnoticed spaces.

Your radon fan needs to operate 24/7 to be effective. The only time the fan isn't operating is during its replacement. Radon levels in the home can increase within hours if the fan stops working or something obstructs the stack vent. Fortunately, radon systems require no downtime maintenance between fan changes.

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 Selbyville, DE 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.

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