
Get matched with top radon detection and reduction specialists in Watertown, MA
There are 4 highly-rated local radon detection and reduction specialists.
Need a pro for your radon detection and reduction project in Watertown, MA?
Verified Reviews for Radon Detection And Reduction pros in Watertown, MA
*The Angi rating for Radon Detection And Reduction companies in Watertown, MA 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 Watertown, MA 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 November 15, 2025
Find Radon detection and reduction specialists in Watertown

Airtight Radon Solutions LLC
Airtight Radon Solutions LLC
Welcome to Airtight Radon Solutions LLC ! We take pride in the quality of work and customer satisfaction that we give each and every customer! We are known to pay exquisite attention to detail while making customer satisfaction our top priority. Call us today to learn more about how we can help you! Achieving a safer and healthier environment for every home by providing effective radon mitigation solutions and raising awareness about the dangers of radon gas. Professional Radon Testing and Mitigation Services
"Great work, explained everything to me, took his time and checked up on it after it was done! Highly recommend "
Michelle C on October 2025
Welcome to Airtight Radon Solutions LLC ! We take pride in the quality of work and customer satisfaction that we give each and every customer! We are known to pay exquisite attention to detail while making customer satisfaction our top priority. Call us today to learn more about how we can help you! Achieving a safer and healthier environment for every home by providing effective radon mitigation solutions and raising awareness about the dangers of radon gas. Professional Radon Testing and Mitigation Services
"Great work, explained everything to me, took his time and checked up on it after it was done! Highly recommend "
Michelle C on October 2025

Indoor Environmental
Indoor Environmental
WE ARE A GREEN MOLD SOLUTION COMPANY. *Our solutions are free of hazardous materials & harsh chemicals *Within 24 hours mold is eliminated, the property is healthy, & ready to be lived in safely *CERTIFIED professionals *Our personal guarantee *Our customers have saved up to 65% over competitive quotes * We work in confidence. Our company vehicles are unmarked, which allows you to maintain a strong level of privacy for your home or business Our unique process replaces demolition & rebuilding, & reduces the need to replace carpets, furnishings & personal items.
"He was very prompt. He came out and let us know what was indeed happening in our basement."
Lira M on September 2019
WE ARE A GREEN MOLD SOLUTION COMPANY. *Our solutions are free of hazardous materials & harsh chemicals *Within 24 hours mold is eliminated, the property is healthy, & ready to be lived in safely *CERTIFIED professionals *Our personal guarantee *Our customers have saved up to 65% over competitive quotes * We work in confidence. Our company vehicles are unmarked, which allows you to maintain a strong level of privacy for your home or business Our unique process replaces demolition & rebuilding, & reduces the need to replace carpets, furnishings & personal items.
"He was very prompt. He came out and let us know what was indeed happening in our basement."
Lira M on September 2019

All Clean Environmental Services, Inc.
All Clean Environmental Services, Inc.
All Clean Environmental Services, Inc. is a full-service hazardous materials remediation firm specializing in mold and asbestos removal using the highest quality safety standards. We have 25 years of experience as asbestos contractors who also perform mold removal and controlled interior demolition. Our employees are fully licensed by the Massachusetts Department of Labor Standards and trained in the most current federal EPA and Massachusetts DEP standards. Clean Air Environmental, Inc is based in Boston Massachusetts and serves customers across the state including Cape Cod, and the islands. We offer service by appointment as well as 24/7 emergency services, so call us at 617-970-2572 or email [email protected] to set up a free estimate or consultation.
"For those of you looking for an honest, kind, caring person in the world of “hazardous vapors” look no further than this company. Kevin at All Clean Environmental Services took my panicked call on a Saturday and listened in detail about health concerns regarding “moth ball odors” in my family’s rental property. With that he volunteered to come and “check out” the offensive odors. Kevin was very discreet as well as thorough in his handling of visit to “our” home. Having never dealt with this problem he was quickly in contact with his suppliers of treatment options."
MARIA W on August 2023
All Clean Environmental Services, Inc. is a full-service hazardous materials remediation firm specializing in mold and asbestos removal using the highest quality safety standards. We have 25 years of experience as asbestos contractors who also perform mold removal and controlled interior demolition. Our employees are fully licensed by the Massachusetts Department of Labor Standards and trained in the most current federal EPA and Massachusetts DEP standards. Clean Air Environmental, Inc is based in Boston Massachusetts and serves customers across the state including Cape Cod, and the islands. We offer service by appointment as well as 24/7 emergency services, so call us at 617-970-2572 or email [email protected] to set up a free estimate or consultation.
"For those of you looking for an honest, kind, caring person in the world of “hazardous vapors” look no further than this company. Kevin at All Clean Environmental Services took my panicked call on a Saturday and listened in detail about health concerns regarding “moth ball odors” in my family’s rental property. With that he volunteered to come and “check out” the offensive odors. Kevin was very discreet as well as thorough in his handling of visit to “our” home. Having never dealt with this problem he was quickly in contact with his suppliers of treatment options."
MARIA W on August 2023
Find Radon Gas
Find Radon Gas
Radon Test Consulting. Air and Water Radon Testing in Central New England
Radon Test Consulting. Air and Water Radon Testing in Central New England

Erickson Foundation Solutions
Erickson Foundation Solutions
Erickson Foundation Solutions is your local expert for ALL THINGS BASEMENTY! We specialize in basement waterproofing, foundation and crawl space repair, sump pump installation and maintenance, concrete lifting & leveling, as well as radon mitigation. When it comes to problems or ongoing issues in your basement, we offer permanent solutions! We are a family owned business that began in 1979, proudly serving New Hampshire, Massachusetts, and Rhode Island.
"They did a fantastic job! We have had driving rain since the installation and our basement is bone dry. They came on time, were very polite and I'm very happy with the fast train system they installed."
Chris T on November 2021
Erickson Foundation Solutions is your local expert for ALL THINGS BASEMENTY! We specialize in basement waterproofing, foundation and crawl space repair, sump pump installation and maintenance, concrete lifting & leveling, as well as radon mitigation. When it comes to problems or ongoing issues in your basement, we offer permanent solutions! We are a family owned business that began in 1979, proudly serving New Hampshire, Massachusetts, and Rhode Island.
"They did a fantastic job! We have had driving rain since the installation and our basement is bone dry. They came on time, were very polite and I'm very happy with the fast train system they installed."
Chris T on November 2021

DryBoston
DryBoston
We are the preferred disaster restoration, clean up and home remodeling company for Massachusetts homeowners. We stand behind every job we do. Please contact us if you want our team to get to work for you. We'll be on our way to get started.
We are the preferred disaster restoration, clean up and home remodeling company for Massachusetts homeowners. We stand behind every job we do. Please contact us if you want our team to get to work for you. We'll be on our way to get started.
Wallace Home Inspections
Wallace Home Inspections
Wallace Home Inspections provides home inspections services for both residential and commercial. We will use our knowledge and experience to thoroughly inspect the property, providing you with confidence about its condition. Wallace Home Inspections is currently operated by its owner, Jon Wallace. Jon has a background in construction and carpentry giving him a comprehensive understanding of homes.
Wallace Home Inspections provides home inspections services for both residential and commercial. We will use our knowledge and experience to thoroughly inspect the property, providing you with confidence about its condition. Wallace Home Inspections is currently operated by its owner, Jon Wallace. Jon has a background in construction and carpentry giving him a comprehensive understanding of homes.

R&C Inspectors
R&C Inspectors
Specializing in inspections and radon testing for residential and commercial properties. We guarantee your satisfaction and we won’t leave until the job is done right. We pride ourselves on the quality work we provide, while delivering great customer service! Check out our services offered and call or click to schedule a free estimate today!
"Richie did a thorough job inspecting our newly purchased home. He really knew his stuff and patiently explained everything to me in detail. I have a lot of confidence in his inspection and now have a much better idea of what needs to be done to update my single family home now and in the future."
Homeowner on June 2021
Specializing in inspections and radon testing for residential and commercial properties. We guarantee your satisfaction and we won’t leave until the job is done right. We pride ourselves on the quality work we provide, while delivering great customer service! Check out our services offered and call or click to schedule a free estimate today!
"Richie did a thorough job inspecting our newly purchased home. He really knew his stuff and patiently explained everything to me in detail. I have a lot of confidence in his inspection and now have a much better idea of what needs to be done to update my single family home now and in the future."
Homeowner on June 2021
"Dennis is very knowledgeable. He walked me through the whole process when he came to workup an estimate. He answered all my questions. Due to an addition, it was determined that I needed an 2nd suction point thus a more expensive install (but still reasonable). That is something that I wouldn't have been aware of if I had gone with the telephone estimate that I got from another vendor. It would have been an unpleasant surprise if the other vendor came for an install and then increased the price. Every home is different so I was happy that Dennis had come out to do an estimate. I was able to prepare for the install by clearing the area where the work would be done. It allowed for an orderly move of boxes versus paying them to move the boxes or they waiting around until the area was cleared. I was very happy with the actual installation. There was no mess that I had to clean up. The set-up was very neat and professional. The system began to work immediately. The radon levels are now in the acceptable range. I would highly recommend Boston Radon."
Vivian Y on June 2019
"Dennis is very knowledgeable. He walked me through the whole process when he came to workup an estimate. He answered all my questions. Due to an addition, it was determined that I needed an 2nd suction point thus a more expensive install (but still reasonable). That is something that I wouldn't have been aware of if I had gone with the telephone estimate that I got from another vendor. It would have been an unpleasant surprise if the other vendor came for an install and then increased the price. Every home is different so I was happy that Dennis had come out to do an estimate. I was able to prepare for the install by clearing the area where the work would be done. It allowed for an orderly move of boxes versus paying them to move the boxes or they waiting around until the area was cleared. I was very happy with the actual installation. There was no mess that I had to clean up. The set-up was very neat and professional. The system began to work immediately. The radon levels are now in the acceptable range. I would highly recommend Boston Radon."
Vivian Y on June 2019
"Mohan was just phenomenal. We called him on a Friday to see if he could do a home inspection for a house we plan to buy. I had difficulty scheduling a time when he and my buyers agent were both free, so Mohan called my agent himself to work out the schedule. Within 5 minutes of calling Mohan, I had an inspection scheduled for the next day. The appointment was for 1pm and he said it would take about 1.5 hours. We arrived a few minutes before 1pm and Mohan had already arrived and inspected the roof — he came early because it was going to rain and he wanted to still safely inspect the roof. During COVID19, Mohan was very clear ahead of time how we were all going to maintain safety. He wore a mask the entire time and had a laser pointer to show us stuff from a safe distance. He took pictures of everything. He explained everything and was so patient with us, especially as first time home buyers. Mohan also isn’t alarmist but still very upfront about potential repairs. For example, Mohan would say that we should replace the hot water heater because of leaking and explained how much it would cost. He also would show us stuff that didn’t need to be fixed now but should be fixed within the next X amount of years. He even showed us preventive stuff - for example, the gutter downspouts were draining right next to the home, which has a stone foundation and can be highly susceptible to water damage. Mohan suggested to buy a dehumidifier and place it in the basement to prevent moisture and prevent damage that hadnt even occurred. The appointment was for 1pm Saturday and by end of the day, I had received a written report of his inspection."
Avi C on December 2020
"Mohan was just phenomenal. We called him on a Friday to see if he could do a home inspection for a house we plan to buy. I had difficulty scheduling a time when he and my buyers agent were both free, so Mohan called my agent himself to work out the schedule. Within 5 minutes of calling Mohan, I had an inspection scheduled for the next day. The appointment was for 1pm and he said it would take about 1.5 hours. We arrived a few minutes before 1pm and Mohan had already arrived and inspected the roof — he came early because it was going to rain and he wanted to still safely inspect the roof. During COVID19, Mohan was very clear ahead of time how we were all going to maintain safety. He wore a mask the entire time and had a laser pointer to show us stuff from a safe distance. He took pictures of everything. He explained everything and was so patient with us, especially as first time home buyers. Mohan also isn’t alarmist but still very upfront about potential repairs. For example, Mohan would say that we should replace the hot water heater because of leaking and explained how much it would cost. He also would show us stuff that didn’t need to be fixed now but should be fixed within the next X amount of years. He even showed us preventive stuff - for example, the gutter downspouts were draining right next to the home, which has a stone foundation and can be highly susceptible to water damage. Mohan suggested to buy a dehumidifier and place it in the basement to prevent moisture and prevent damage that hadnt even occurred. The appointment was for 1pm Saturday and by end of the day, I had received a written report of his inspection."
Avi C on December 2020
The Watertown, MA 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.
•Discover the average indoor air quality testing cost, what impacts pricing, and how to budget for healthier air in your home.
•Find out what impacts radon testing costs, including average prices for DIY kits and professional services, so you can protect your home and budget confidently.
•Find out the average cost of radon fan replacement, key price factors, and ways to save. Get expert tips to budget for your radon mitigation system.

Radon is a radioactive gas that can enter a home from the ground. Prepare yourself for mitigation by answering these questions before hiring a pro.

Can a homeowner install a radon mitigation system? While some parts of the project are fine for DIY, you should leave the meat of the task to a licensed professional.

The cost of a radon mitigation system depends mostly on the type of system being installed. Use this guide to learn about your options.
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