*The Angi rating for Radon Detection And Reduction companies in White Marsh, MD 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 White Marsh, MD 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 July 16, 2025
Serving White Marsh, MD and surrounding areas
Approved
In business since 1997
Free estimates
Customers say: Quick response
"It was difficult to work with them, he didn't respond quickly, things kept coming up, but he did finally do the job and was very professional. He dropped our Radon level from 8 to 1.2"
Serving White Marsh, MD and surrounding areas
Approved
In business since 2000
Free estimates
Emergency services offered
"Great reduction in radon. 10.0+ prior to install, 1.4 after install!"
+2
Serving White Marsh, MD and surrounding areas
Approved
Super Service Award Winner
In business since 2008
Free estimates
Emergency services offered
"Excellent Water/Well Testing Service from NextDay Inspect – Highly Recommend! I recently had a water/well test done by NextDay Inspect, and I couldn’t be more satisfied with the entire process. From scheduling the appointment to receiving the results, everything was seamless and professional. Sonya, the inspector who came out, was amazing. She was punctual, thorough, and took the time to explain the entire testing process. She made sure I understood what was being tested and why, which gave me confidence in the results. The whole experience was smooth and stress-free, and I really appreciated how well everything was organized. The results were delivered quickly, and NextDay followed up to make sure I had all the information I needed. I can confidently say that NextDay Inspect provides top-tier service, and I highly recommend them for anyone needing water/well testing."
+738
Serving White Marsh, MD and surrounding areas
Approved
In business since 1987
Free estimates
Credit card accepted
"The service was good. He showed up on time and did the test. The only problem I had was that he is not a full service, he only checks for asbestos and does not remove.The test took longer than I was told, but I don't think he had a choice. Overall he was ok, just not a perfect match for my needs."
Serving White Marsh, MD and surrounding areas
Approved
In business since 1999
Free estimates
Customers say: Quick response
"Mr. Riddick was very professional and thorough. The report and his recommendations were very helpful in the decisions I made moving forward after receiving the mold test results."
Serving White Marsh, MD and surrounding areas
Approved
In business since 2002
Free estimates
Emergency services offered
"Jerry provided excellent service for our air mold test. He was prompt in scheduling the appointment and arrived at the property as planned. After conducting the test, we received the results in just two days, which thankfully turned out negative."
Serving White Marsh, MD and surrounding areas
Approved
Warranties offered
Credit card accepted
Customers say: True professional
Home inspection company that covers the house from top to bottom. Covering from the roof to the basement and / or crawl space. Nothing is left un turned. Also, specialize in radon, mold, and lead testing. Former Level II Thermaligist (infrared scanning). I can do it all. I am also certified through the Baltimore city and county to conduct rental inspection.
Serving White Marsh, MD and surrounding areas
Approved
In business since 2013
Free estimates
Emergency services offered
Leading the industry by providing a comprehensive service to residential & commercial clients in need of selective & structural demolition , hazardous material abatement and disposal , as well as mold remediation services. Call or click for your FREE estimate today!\n
+9
Serving White Marsh, MD and surrounding areas
In business since 1998
"We got their information from our friend. When we were making an appointment, Mike gave us his professional advice based on the house details. They arrived on time and Mike's team is extremely professional and friendly. They did a wonderful job for us. We are really impressed and pleased with their work. Will highly recommend anyone who wants to do radon mitigation."
Serving White Marsh, MD 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.."
From average costs to expert advice, get all the answers you need to get your job done.
The cost of a radon mitigation system in Baltimore, MD, depends mostly on the type of system being installed. Use this guide to learn about your options.
Find out the average radon testing cost in Baltimore, MD. Learn what you can expect to pay for local indoor air quality testing and keep your home safe.
The cost of a radon mitigation system depends mostly on the type of system being installed. Use this guide to learn about your options.
Radon is a gas that you can't see or smell and is harmful to your health. If your home has radon, you need to know who installs radon mitigation systems.
What is radon gas? Find out what this radioactive gas is, why it is dangerous, how it gets in your home, and how to mitigate it.
What is radon testing? Radon testing measures the presence and concentration of radon gas within indoor environments. Read on to learn more.
