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Verified Reviews for Radon Detection And Reduction pros in Derby, CT
*The Angi rating for Radon Detection And Reduction companies in Derby, CT 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 Derby, CT 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 October 24, 2025
Find Radon detection and reduction specialists in Derby
Tri State Flood Inc
10 Grant Ave W
Tri State Flood Inc
10 Grant Ave W
171 local quotes requested
21 years of experience
At Tri State Flood Inc, we specialize in comprehensive disaster restoration services. Our team is dedicated to safeguarding homes and businesses from the damaging effects of water, fires, mold and storms. Here’s what sets us apart: Water Removal and Storm Damage Restoration: When water wreaks havoc due to storms or other incidents, we’re here to help. Our 24/7 emergency response team swiftly tackles water extraction, drying, and structural repairs. Comprehensive Services: Beyond mold and water remediation, we handle storm damage repairs, basement flood cleanup and fire restoration. Choose Tri State Flood Inc for reliable, efficient, and compassionate restoration services. We’re committed to restoring peace of mind and protecting your property.
"Lesson learned. Always get an estimate. BEFORE the work is done. At least a digital copy. Arrangements for the project were made, with some one named Lynn, for the company to send someone to complete the work. We were quoted over the phone 4500-5000 which included a mold test. A sub contractor with an entirely different company (National Mold Company) was sent. When the contractor arrived, he stated that the job would be much more simpler than first thought. This led us to believe that the job would cost less, no. All said and done, they charged $5500. All said and done, it's almost like no work was done. The stains and the smell are still there. Only one actual board was taken upon the attic room. The ceiling in the bedroom was primed and painted but are still visible and have a funky smell. At this point I'm going to. Do what we should have done; Do the job ourselves. Just now with $5500 less dollars in our pockets. A detailed receipt was not given even though it was requested."
David B on August 2025
At Tri State Flood Inc, we specialize in comprehensive disaster restoration services. Our team is dedicated to safeguarding homes and businesses from the damaging effects of water, fires, mold and storms. Here’s what sets us apart: Water Removal and Storm Damage Restoration: When water wreaks havoc due to storms or other incidents, we’re here to help. Our 24/7 emergency response team swiftly tackles water extraction, drying, and structural repairs. Comprehensive Services: Beyond mold and water remediation, we handle storm damage repairs, basement flood cleanup and fire restoration. Choose Tri State Flood Inc for reliable, efficient, and compassionate restoration services. We’re committed to restoring peace of mind and protecting your property.
"Lesson learned. Always get an estimate. BEFORE the work is done. At least a digital copy. Arrangements for the project were made, with some one named Lynn, for the company to send someone to complete the work. We were quoted over the phone 4500-5000 which included a mold test. A sub contractor with an entirely different company (National Mold Company) was sent. When the contractor arrived, he stated that the job would be much more simpler than first thought. This led us to believe that the job would cost less, no. All said and done, they charged $5500. All said and done, it's almost like no work was done. The stains and the smell are still there. Only one actual board was taken upon the attic room. The ceiling in the bedroom was primed and painted but are still visible and have a funky smell. At this point I'm going to. Do what we should have done; Do the job ourselves. Just now with $5500 less dollars in our pockets. A detailed receipt was not given even though it was requested."
David B on August 2025
Water Fire Fix, LLC
1771 Post Road East
Water Fire Fix, LLC
1771 Post Road East
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
65 local quotes requested
Our family owned business provides professional, eco-friendly cleanup and restoration services throughout Connecticut. We specialize in residential and commercial damage due to water, fire, mold, and natural disaster.
"Tim was wonderful. I put in this project on a Saturday night after finding mold behind a piece of furniture in my finished basement. The next morning Tim already reached out looking to set up an appointment Monday morning. Over the phone he explained the possible process of this project and put me in the books first thing Monday morning. He arrived right on time, looked at the area, and again explained everything. After about 15 minutes of doing his inspection, Tim gave me two estimates, which were both fairly priced. I selected the estimate that worked best for me, and Tim got working right away. Throughout the project, he continued to update me with what he was doing and what he had left. From when Tim arrived to when he left, it took him roughly 3.5 hours for the whole project. He did an excellent job, and I would recommend him to anyone."
Alli K on April 2025
Our family owned business provides professional, eco-friendly cleanup and restoration services throughout Connecticut. We specialize in residential and commercial damage due to water, fire, mold, and natural disaster.
"Tim was wonderful. I put in this project on a Saturday night after finding mold behind a piece of furniture in my finished basement. The next morning Tim already reached out looking to set up an appointment Monday morning. Over the phone he explained the possible process of this project and put me in the books first thing Monday morning. He arrived right on time, looked at the area, and again explained everything. After about 15 minutes of doing his inspection, Tim gave me two estimates, which were both fairly priced. I selected the estimate that worked best for me, and Tim got working right away. Throughout the project, he continued to update me with what he was doing and what he had left. From when Tim arrived to when he left, it took him roughly 3.5 hours for the whole project. He did an excellent job, and I would recommend him to anyone."
Alli K on April 2025
RJ Demolition and Construction LLC
228 Kimberly Avenue
RJ Demolition and Construction LLC
228 Kimberly Avenue
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
15 local quotes requested
At RJ Demolition, we provide expert demolition, safe asbestos removal, and efficient water damage restoration for residential and commercial.Our experienced team ensures safety, reliability, and customer satisfaction in every job. Check out our services offered and call or click to schedule an estimate today!
"RJ Demoliton and Construction LLC was first introduced to us by way of a positive recommendation. Now it’s time for us to pay it forward …. Our number one concern was safety and the complete removal of the asbestos. Both were handled with precision and care. The RJ crew worked tirelessly to get the job done to our 100% satisfaction! The talent exhibited by RJ and Co. to refurbish and modernize the space was more than we bargained for! We were delighted to learn all of this was done at a fair and competitive price! We highly recommend RJ Demoltion and Construction for all of your asbestos removal and construction needs."
Vincent R on July 2025
At RJ Demolition, we provide expert demolition, safe asbestos removal, and efficient water damage restoration for residential and commercial.Our experienced team ensures safety, reliability, and customer satisfaction in every job. Check out our services offered and call or click to schedule an estimate today!
"RJ Demoliton and Construction LLC was first introduced to us by way of a positive recommendation. Now it’s time for us to pay it forward …. Our number one concern was safety and the complete removal of the asbestos. Both were handled with precision and care. The RJ crew worked tirelessly to get the job done to our 100% satisfaction! The talent exhibited by RJ and Co. to refurbish and modernize the space was more than we bargained for! We were delighted to learn all of this was done at a fair and competitive price! We highly recommend RJ Demoltion and Construction for all of your asbestos removal and construction needs."
Vincent R on July 2025
Apex Radon Solutions LLC
74 N Main St Unit 2
Apex Radon Solutions LLC
74 N Main St Unit 2
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
49 local quotes requested
At Apex Radon Solutions , our company is based on the belief that our customers' needs are of the utmost importance. Our team is committed to meeting those needs. We welcome the opportunity to earn your trust and deliver you the best service. No job is too big or too small for our experienced team. Call today for a quote.
"I highly recommend Apex Radon Solutions. From getting the estimate to getting the work done, everything was just outstanding. Marco and his crew of 3 men showed up early and were all knowledgeable and extremely skilled. I had to install a radon fan and put in piping and electrical. They measured the piping with care and accuracy and did an excellent job with the installation. Iâ m truly impressed with the professionalism and quality of the work. They were also very reasonable with their prices. Thank you Apex for such great work."
Susan L on December 2023
At Apex Radon Solutions , our company is based on the belief that our customers' needs are of the utmost importance. Our team is committed to meeting those needs. We welcome the opportunity to earn your trust and deliver you the best service. No job is too big or too small for our experienced team. Call today for a quote.
"I highly recommend Apex Radon Solutions. From getting the estimate to getting the work done, everything was just outstanding. Marco and his crew of 3 men showed up early and were all knowledgeable and extremely skilled. I had to install a radon fan and put in piping and electrical. They measured the piping with care and accuracy and did an excellent job with the installation. Iâ m truly impressed with the professionalism and quality of the work. They were also very reasonable with their prices. Thank you Apex for such great work."
Susan L on December 2023
Safe Zone Abatement Construction
Safe Zone Abatement Construction
10 years of experience
Safe Zone Abatement Construction invites you to experience prompt service and superior attention to detail. We have 25+ 5-star Google reviews and service the entire state of Connecticut. Customer satisfaction is our top priority. You can be assured you're in good hands with our company working on your project. Call us today for a free estimate. You'll be pleased you did.
Safe Zone Abatement Construction invites you to experience prompt service and superior attention to detail. We have 25+ 5-star Google reviews and service the entire state of Connecticut. Customer satisfaction is our top priority. You can be assured you're in good hands with our company working on your project. Call us today for a free estimate. You'll be pleased you did.
Lance Dorfi LLC
57 Westchester Ave
Lance Dorfi LLC
57 Westchester Ave
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
About Lance Dorfi, LLC At Lance Dorfi, we believe in improving indoor air quality for all by reducing radon in the air we breathe. Lance and his father, Kurt, have been the leading radon specialists in lower NY State and Fairfield County, Connecticut for over 25 years. Through our expertise, hard work and dedication, we have built a strong reputation with real estate agents, buyers/sellers, and home inspectors. All work is personally overseen certified radon specialists who adhere to EPA guidelines and standards for radon reduction. Our guarantee provides a five year transferable warranty to maintain radon levels below the 4.0 pCi/L (EPA action level). Lance Dorfi is a certified radon tester and mitigator who frequently lectures on the importance of radon reduction and the latest abatement techniques. We are licensed home improvement contractors and fully insured. Pound Ridge, Stamford, White Plains, Fishkill, New City
"My house had excessive levels of radon in our lower level. The Lance Dorfi team installed a pump to pump out the radon and release it up above the roof of the house. Since then, radon levels in that part of the house have been very low, so the problem was resolved. The work was done on budget, and they did an excellent job with scheduling and customer service. I recommend them for dealing with radon."
JAMES M on July 2020
About Lance Dorfi, LLC At Lance Dorfi, we believe in improving indoor air quality for all by reducing radon in the air we breathe. Lance and his father, Kurt, have been the leading radon specialists in lower NY State and Fairfield County, Connecticut for over 25 years. Through our expertise, hard work and dedication, we have built a strong reputation with real estate agents, buyers/sellers, and home inspectors. All work is personally overseen certified radon specialists who adhere to EPA guidelines and standards for radon reduction. Our guarantee provides a five year transferable warranty to maintain radon levels below the 4.0 pCi/L (EPA action level). Lance Dorfi is a certified radon tester and mitigator who frequently lectures on the importance of radon reduction and the latest abatement techniques. We are licensed home improvement contractors and fully insured. Pound Ridge, Stamford, White Plains, Fishkill, New City
"My house had excessive levels of radon in our lower level. The Lance Dorfi team installed a pump to pump out the radon and release it up above the roof of the house. Since then, radon levels in that part of the house have been very low, so the problem was resolved. The work was done on budget, and they did an excellent job with scheduling and customer service. I recommend them for dealing with radon."
JAMES M on July 2020
Mosman Well Works LLC
164 Sycamore Avenue
Mosman Well Works LLC
164 Sycamore Avenue
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
Mosman Well Works strives to be the leading well company through reliable and effective solutions for all your well needs. We pride ourselves on finding what's best for our customers without the pressure for unnecessary equipment. We stand by our work. No job is to challenging. Mosman Well Works are experts that you can trust. When you hire Mosman Well Works you acquire superior service, honesty, and dependability. Our technicians have over 20 years of experience in the well industry including manufacturer specialized training and safety training. We are available for emergency service 365 days a year and our customer service line is open 24 hours a day to answer your questions.
"Our 60+ year old well tank started to leak (original to house, used only for outside watering). Eric came to price out the replacement of the tank. Because we have an existing bleeder system, the newer tanks with bladders were not a fit. Eric took extra time to assess our situation to make sure we got the right tank kind and size for our needs. We very much appreciate the extra time he took to "get it right" and to explain things to us. He was later able to return, replace our tank and remove our very old and large tank. We value his attention to detail and patience, and we appreciate that as this is his business, he takes pride in his reputation. We would definitely recommend his company to others."
Michele F on April 2018
Mosman Well Works strives to be the leading well company through reliable and effective solutions for all your well needs. We pride ourselves on finding what's best for our customers without the pressure for unnecessary equipment. We stand by our work. No job is to challenging. Mosman Well Works are experts that you can trust. When you hire Mosman Well Works you acquire superior service, honesty, and dependability. Our technicians have over 20 years of experience in the well industry including manufacturer specialized training and safety training. We are available for emergency service 365 days a year and our customer service line is open 24 hours a day to answer your questions.
"Our 60+ year old well tank started to leak (original to house, used only for outside watering). Eric came to price out the replacement of the tank. Because we have an existing bleeder system, the newer tanks with bladders were not a fit. Eric took extra time to assess our situation to make sure we got the right tank kind and size for our needs. We very much appreciate the extra time he took to "get it right" and to explain things to us. He was later able to return, replace our tank and remove our very old and large tank. We value his attention to detail and patience, and we appreciate that as this is his business, he takes pride in his reputation. We would definitely recommend his company to others."
Michele F on April 2018
All Boro Cleaning Services
42 Maple Pl
All Boro Cleaning Services
42 Maple Pl
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
At ALL BORO our goal is to help families and businesses repair property damage caused by Water, Fire, Smoke, Mold, Wind and Vandalism. The ALL BORO team is comprised of specialists thoroughly trained to clean and restore buildings, as well as to clean and inventory furnishings and valuables, using the latest restoration methods and equipment available. ALL BORO is recognized for excellence in service because we go the extra mile. Whether it's our Cleaning, Restoration or Remodeling division, the ALL BORO reputation is set on building lasting relationships with our customers, by solving problems and finding solutions. Our experienced staff works with you and your insurers to help you during this most difficult time – from your first estimate, to the project's successful completion. Additional email - [email protected].
"They were great, they were very professional, reached out to me everyday to update me and they did a great job."
PETER V on January 2020
At ALL BORO our goal is to help families and businesses repair property damage caused by Water, Fire, Smoke, Mold, Wind and Vandalism. The ALL BORO team is comprised of specialists thoroughly trained to clean and restore buildings, as well as to clean and inventory furnishings and valuables, using the latest restoration methods and equipment available. ALL BORO is recognized for excellence in service because we go the extra mile. Whether it's our Cleaning, Restoration or Remodeling division, the ALL BORO reputation is set on building lasting relationships with our customers, by solving problems and finding solutions. Our experienced staff works with you and your insurers to help you during this most difficult time – from your first estimate, to the project's successful completion. Additional email - [email protected].
"They were great, they were very professional, reached out to me everyday to update me and they did a great job."
PETER V on January 2020
Charles Abatement, LLC
91 Shelton Avenue
Charles Abatement, LLC
91 Shelton Avenue
24 years of experience
Established in 2001, Charles Abatement, LLC offers complete asbestos, lead, mold abatement, smoke & water damage solutions for home owners and businesses in the state of Connecticut, New York and Maryland.
Established in 2001, Charles Abatement, LLC offers complete asbestos, lead, mold abatement, smoke & water damage solutions for home owners and businesses in the state of Connecticut, New York and Maryland.
Accurate Evaluation Services LLC
27 Cope Farms Rd
Accurate Evaluation Services LLC
27 Cope Farms Rd
14 years of experience
Full Service Home Inspection Company. Inspections are performed per the standards of practice established by the Connecticut Department of Consumer Protection and the Connecticut Home Inspection Licensing Board. Sections 20-491-1 to 20-491-26
Full Service Home Inspection Company. Inspections are performed per the standards of practice established by the Connecticut Department of Consumer Protection and the Connecticut Home Inspection Licensing Board. Sections 20-491-1 to 20-491-26
Radon Detection and Reduction questions, answered by experts
The Derby, CT 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.
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.
What is radon testing? Radon testing measures the presence and concentration of radon gas within indoor environments. Read on to learn more.
You need to protect your home from radon, but what does a radon mitigation system look like? Check out this radon mitigation system diagram to learn how it works.
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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