*The Angi rating for Radon Detection And Reduction companies in Greenville, 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 Greenville, 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 March 30, 2026
Serving Greenville, DE and surrounding areas
Approved
Super Service Award Winner
In business since 2018
Free estimates
Warranties offered
"They were really helpful and polite they explained the job from start to finish and they explian how radon is harmful."
+8
Serving Greenville, DE and surrounding areas
Approved
Super Service Award Winner
In business since 1980
Free estimates
Emergency services offered
"Matt did a well-crafted job, finished in 3 hours, radon down to 0.6 when I checked the next morning."
Serving Greenville, 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"
+2
Serving Greenville, DE and surrounding areas
Approved
In business since 2016
Free estimates
Warranties offered
"Very thorough and quick to respond. His report gave me the justification to request $9,200 in repairs from the seller which he agreed to complete."
Serving Greenville, DE and surrounding areas
In business since 1985
Free estimates
Emergency services offered
"Chris Barcikowski was on time, cordial, professional and spent a reasonable time checking our home issues. He provided us with recommendations on the action to take to solve the water standing inside the air ducts. He did testing for possible mold conditions and siad the results should be ready for us by this Friday, 9/12.."
Serving Greenville, 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."
Serving Greenville, DE and surrounding areas
In business since 2010
Free estimates
Emergency services offered
"I could not be happier with this company. They did the work right away, even working on the weekends. They were very knowledgeable about what needed to be done and how to get the debris tested they have been very responsive. They have continued to be helpful to me in dealing with the company that left the silica dust in my home. You will not be disappointed if you use this company. I have never seen a company that is so attentive to your needs.
"
Serving Greenville, DE and surrounding areas
In business since 2008
Free estimates
Emergency services offered
"I am very pleased with the quality work and how quickly my water damage issue resolved. They were extremely professional and knowledgeable and did a great job at keeping me up to date on the progress of the cleanup."
+57
Serving Greenville, DE and surrounding areas
In business since 1995
Free estimates
Emergency services offered
"Hired vendor to perform the coupon deal. Found mold in the unit; they tested and cleaned the unit, and duct work. They were courteous, well informed.
"
Serving Greenville, DE and surrounding areas
In business since 2002
M&M Home Inspection comes highly recommended because they are personable & professional. They are Independently owned and operated with over 5 years of experience & are dedicated to customers.
From average costs to expert advice, get all the answers you need to get your job done.
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