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

Avatar for JCL Home Inspections
JCL Home Inspections
4.9(
27
)
Radon Gas - Testing

Serving Scarsdale, NY and surrounding areas

Approved

In business since 2015

Free estimates

Customers say: Quick response

"I had a great experience with Joe , getting a co-op unit inspected. His price was very reasonable and he was very accommodating when unexpected obstacles occurred on the day of the inspection. He was very thorough and knowledgeable. I love that he explained everything at the inspection, which was very helpful. Everything was also written out in a detailed report that he sent very promptly. We ended up not purchasing the unit. What really helped us with this difficult decision is Joe's leveled and unbiased relaying of what he found at the inspection. He didn't exaggerate any flaws for example. At the end of the day we feel like we dodged a bullet after the inspection and will definitely be hiring Joe again once we find a home to purchase. Highly recommend him."
Response time4 hrs
2 neighbors recently requested a quote
Recommended by100%of homeowners
Avatar for Doctor House Inspections, LLC
Doctor House Inspections, LLC
4.9(
9
)
Radon Gas - Testing

Serving Scarsdale, NY and surrounding areas

Approved

In business since 2014

Customers say: Quick response

"Olivier was terrific. He was incredibly thorough and left no detail out of his inspection or his report. He took the time necessary to inspect all elements of the inside and outside of the home, he was patient in explaining what he found, and he was able to put all his comments within a helpful perspective. I would recommend him 100% and would use him again without hesitation."
Deck issues
Oil line in concrete slab
Rusted oil tank
A boiler with a direct hot water heater
Loose electrical service entrance wire

+18

Response time4 hrs
Response rate100%
Recommended by100%of homeowners
Avatar for Family Home Inspections, Inc.
Family Home Inspections, Inc.
4.3(
45
)
Radon Gas - Testing

Serving Scarsdale, NY and surrounding areas

In business since 2018

Free estimates

Emergency services offered

"Mine was very meticulous and honest. I appreciate him doing a whole inspection when I only had a few issues needing a check up. He was not in a rush and made sure he checked every floor and room! I would friendly hire him again!"
Mold
Start of Mold Problems
Response time3 hrs
Recommended by88%of homeowners
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Radon Detection and Reduction FAQs, answered by experts

Keeping radon from getting into your home is much better than having to get rid of it once it's already indoors. While there may not be a way to fully prevent radon from getting into your home, there are things you can do to reduce the gas's ability to enter. 

Sealing foundation cracks and openings can help keep the gas from seeping inside. Improving air flow, such as by opening windows, can also be helpful. If you're building your home from scratch, talk to your contractor about using radon-resistant construction to keep the gas out.

Many radon fans carry a five-year manufacturer's warranty. That said, your radon fan should last between five and ten years. Regular inspections will ensure the fan is operating properly. Unusual or exceptional noise coming from the fan or indications on your manometer or system monitor can immediately tell you that something is amiss.

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.

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).

Radon enters your home when warm air begins to rise and exits through the roof, creating a vacuum that pulls cooler air from under the foundation. Part of that air is radon, which is an invisible, odorless gas that develops naturally when radioactive particles are deep within the ground. Those particles usually come from decaying matter in soil and rocks.

The Scarsdale, NY 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.