
Get matched with top radon detection and reduction specialists in Garnet Valley, PA
There are 6 highly-rated local radon detection and reduction specialists.
Need a pro for your radon detection and reduction project in Garnet Valley, PA?
Verified Reviews for Radon Detection And Reduction pros in Garnet Valley, PA
*The Angi rating for Radon Detection And Reduction companies in Garnet Valley, PA 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 Garnet Valley, PA 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 December 06, 2025
Find Radon detection and reduction specialists in Garnet Valley

The Radon Bros
The Radon Bros
The Radon Bros is a certified provider specializing in radon testing, mitigation, and system repairs for homes, businesses, and schools across Pennsylvania, Delaware, and Maryland. They also offer mold testing and comprehensive indoor air quality assessments to ensure safer living and working environments. The company provides tailored solutions, including radon system installation and expert consultations for contractors, with a commitment to safety, health, and air quality.
"They were really helpful and polite they explained the job from start to finish and they explian how radon is harmful."
David R on November 2025
The Radon Bros is a certified provider specializing in radon testing, mitigation, and system repairs for homes, businesses, and schools across Pennsylvania, Delaware, and Maryland. They also offer mold testing and comprehensive indoor air quality assessments to ensure safer living and working environments. The company provides tailored solutions, including radon system installation and expert consultations for contractors, with a commitment to safety, health, and air quality.
"They were really helpful and polite they explained the job from start to finish and they explian how radon is harmful."
David R on November 2025

SIS Mold & Home Inspections
SIS Mold & Home Inspections
We are a small, veteran-owned local business, your safety is our priority. We inspect and test for mold and radon. SIS only performs testing and inspections, not remediation. We have no conflict of interest. For mold testing and inspections, you will receive a report that is clear and easy to understand with lab results interpreted. The mold inspector has done thousands of inspections and tests in the Delaware valley and keeps current with mold education. For radon testing, SIS uses Continuous Radon Monitors (CRM's) to perform short term tests. We provide professional test results and reports. PA state license # 3589 and nationally certified (NRPP).
"Bob from SIS is a straight shooter, provides options, clear explanations and associated costs on the necessary steps to remediate the problem. Good communication, timely and professional. Pleasantly surprised with my experience with SIS and the contractor they recommended to do the work. Easy 5-star rating, not too common these days."
Dennis H on February 2024
We are a small, veteran-owned local business, your safety is our priority. We inspect and test for mold and radon. SIS only performs testing and inspections, not remediation. We have no conflict of interest. For mold testing and inspections, you will receive a report that is clear and easy to understand with lab results interpreted. The mold inspector has done thousands of inspections and tests in the Delaware valley and keeps current with mold education. For radon testing, SIS uses Continuous Radon Monitors (CRM's) to perform short term tests. We provide professional test results and reports. PA state license # 3589 and nationally certified (NRPP).
"Bob from SIS is a straight shooter, provides options, clear explanations and associated costs on the necessary steps to remediate the problem. Good communication, timely and professional. Pleasantly surprised with my experience with SIS and the contractor they recommended to do the work. Easy 5-star rating, not too common these days."
Dennis H on February 2024
Landmark Inspections LLC
Landmark Inspections LLC
Landmark Inspections LLC is owned and operated by its founding member/manager ASHI Certified inspector, Scott Freeman .
"Scott from Landmark Inspections performed a home inspection of the home my husband and I are purchasing. We are first time home buyers and this is our first home inspection. We were very impressed with Scott from beginning to end. Before the inspection, he was responsive and communcative, answering every one of our phone calls and emails. The inspection was thorough and Scott and his trainee inspector (also Scott) took the time to answer our questions and explain everything they were doing/finding. The inspection did not feel rushed or like Scott was trying to get through it to move on to the next. The report he sent us (48 hours after the inspection, great turn around time) was very throrough, contained useful information about our future home, and clearly laid out a heirarchy for recommended repairs. We also got a termite inspection, sewer scope inspection (which was also performed incredibly professionally by Melvin from Knox & Knox Solutions), and raydon test. In total, we paid a lot of money for these services, but it was money very well spent. We would not hesitate to recommend Scott, Landmark, and the other service professionals with whom he contracts."
Allison E on September 2020
Landmark Inspections LLC is owned and operated by its founding member/manager ASHI Certified inspector, Scott Freeman .
"Scott from Landmark Inspections performed a home inspection of the home my husband and I are purchasing. We are first time home buyers and this is our first home inspection. We were very impressed with Scott from beginning to end. Before the inspection, he was responsive and communcative, answering every one of our phone calls and emails. The inspection was thorough and Scott and his trainee inspector (also Scott) took the time to answer our questions and explain everything they were doing/finding. The inspection did not feel rushed or like Scott was trying to get through it to move on to the next. The report he sent us (48 hours after the inspection, great turn around time) was very throrough, contained useful information about our future home, and clearly laid out a heirarchy for recommended repairs. We also got a termite inspection, sewer scope inspection (which was also performed incredibly professionally by Melvin from Knox & Knox Solutions), and raydon test. In total, we paid a lot of money for these services, but it was money very well spent. We would not hesitate to recommend Scott, Landmark, and the other service professionals with whom he contracts."
Allison E on September 2020

Radon-Rid LLC
Radon-Rid LLC
With over 220 outstanding reviews, Radon Rid, LLC is a fully insured, licensed, and certified radon testing and radon remediation company. From me to my whole team, our focus is on providing quality, first, last, and always through education, workmanship, and environmental stewardship. We believe our goals are best attained through consideration of not only our customers, but our employees, suppliers, referring agents, and regulatory agencies.
"Very well. All were professional and friendly. Installation was clean. Test result prior to active mitigation was 38.4 and post active mitigation <.03 which is fantastic. Would highly recommend Radon-Rid."
Kathy A on April 2020
With over 220 outstanding reviews, Radon Rid, LLC is a fully insured, licensed, and certified radon testing and radon remediation company. From me to my whole team, our focus is on providing quality, first, last, and always through education, workmanship, and environmental stewardship. We believe our goals are best attained through consideration of not only our customers, but our employees, suppliers, referring agents, and regulatory agencies.
"Very well. All were professional and friendly. Installation was clean. Test result prior to active mitigation was 38.4 and post active mitigation <.03 which is fantastic. Would highly recommend Radon-Rid."
Kathy A on April 2020

Royal Water Damage Restoration
Royal Water Damage Restoration
For over 20 years, Royal Water Damage Restoration, Inc. has been providing professional and reliable water damage remediation, water removal, smoke, fire, flood cleanup, storm damage, asbestos testing and removal, wet basement drying, and mold services to our clients. We understand the urgency of emergency situations and as such, we are available 24 hours a day, 7 days a week, 365 days a year to attend to your needs. Our staff is highly trained and experienced, and we pride ourselves on always providing you with professional and thorough service. When you contact us, you will always speak with a live person who will dispatch our local, certified, and dedicated technicians to your location anywhere in the Philadelphia, Montgomery, Bucks, Delaware and Chester County areas. We are committed to providing rapid response and ensuring that the job is done right the first time.
"This was my first experience with this company and they exceeded expectations. The remediation was performed in a conpetent manner they alleviated the problem with the water damage and mole."
Rev. Dr. Robert C on September 2025
For over 20 years, Royal Water Damage Restoration, Inc. has been providing professional and reliable water damage remediation, water removal, smoke, fire, flood cleanup, storm damage, asbestos testing and removal, wet basement drying, and mold services to our clients. We understand the urgency of emergency situations and as such, we are available 24 hours a day, 7 days a week, 365 days a year to attend to your needs. Our staff is highly trained and experienced, and we pride ourselves on always providing you with professional and thorough service. When you contact us, you will always speak with a live person who will dispatch our local, certified, and dedicated technicians to your location anywhere in the Philadelphia, Montgomery, Bucks, Delaware and Chester County areas. We are committed to providing rapid response and ensuring that the job is done right the first time.
"This was my first experience with this company and they exceeded expectations. The remediation was performed in a conpetent manner they alleviated the problem with the water damage and mole."
Rev. Dr. Robert C on September 2025
"Nick was extremely thorough and knowledgeable. He went well above and beyond my expectations for a home inspection. Described in detail every potential issue from the absolute minor to the major. Nick's attention to detail was so good that he even pointed out how the HVAC contractor used the wrong kind of tape to affix the ducts to each other. He also has a lot of knowledge about the area, its history and how that affects the construction of the old homes that are so common here. I was absolutely blown away by Nick's work and strongly believe that no one should ever buy a house without having Nick and Strong Foundations inspect it."
Robert J on March 2021
LICENSE #24376.
"Nick was extremely thorough and knowledgeable. He went well above and beyond my expectations for a home inspection. Described in detail every potential issue from the absolute minor to the major. Nick's attention to detail was so good that he even pointed out how the HVAC contractor used the wrong kind of tape to affix the ducts to each other. He also has a lot of knowledge about the area, its history and how that affects the construction of the old homes that are so common here. I was absolutely blown away by Nick's work and strongly believe that no one should ever buy a house without having Nick and Strong Foundations inspect it."
Robert J on March 2021
Reliable Home Inspection Service
Reliable Home Inspection Service
Reliable Home Inspection Service offers a variety of inspections related to the real estate transaction; Serving Delaware, Maryland and Pennsylvania, you can be assured that you will receive excellent customer service, especially with our one stop shop philosophy. Our computer generated report, which is delivered on-site, has been recognized nationally and locally as an extremely helpful tool for the real estate transaction. With 24-7 availability for scheduling and customer service, we are here to help serve you! We also offer a variety of discounts for you and look forward to the opportunity to be on your team and provide impeccable service to you as a buyer and seller.
"Paul Duhamel performed home inspection and everything went wells, It took about 3 hrs and he notified few issues in the house and he answered to all my questions. Very professional and to the point. I refereed to my friends and even he is also happy with the inspection they performed."
Sirisha B on June 2019
Reliable Home Inspection Service offers a variety of inspections related to the real estate transaction; Serving Delaware, Maryland and Pennsylvania, you can be assured that you will receive excellent customer service, especially with our one stop shop philosophy. Our computer generated report, which is delivered on-site, has been recognized nationally and locally as an extremely helpful tool for the real estate transaction. With 24-7 availability for scheduling and customer service, we are here to help serve you! We also offer a variety of discounts for you and look forward to the opportunity to be on your team and provide impeccable service to you as a buyer and seller.
"Paul Duhamel performed home inspection and everything went wells, It took about 3 hrs and he notified few issues in the house and he answered to all my questions. Very professional and to the point. I refereed to my friends and even he is also happy with the inspection they performed."
Sirisha B on June 2019

Environmental Testing & Research Laboratories, Inc
Environmental Testing & Research Laboratories, Inc
ETR Laboratories in an analytic laboratory with a broad range of commercial, industrial and individual clients. We provide analytic services using a wide variety of scientific methods including GC/MS, IC/MS, GIR, NMR and SEM equipment. We can do particle analysis, organic and inorganic chemical analysis and micro analysis on biological and other materials. Private water analysis is our specialty. Award winning. Additional DBA - Environmental Testing & Research Laboratories Inc, ETR Labs, ETR Laboratories.
"as advertised"
Nancy C on July 2018
ETR Laboratories in an analytic laboratory with a broad range of commercial, industrial and individual clients. We provide analytic services using a wide variety of scientific methods including GC/MS, IC/MS, GIR, NMR and SEM equipment. We can do particle analysis, organic and inorganic chemical analysis and micro analysis on biological and other materials. Private water analysis is our specialty. Award winning. Additional DBA - Environmental Testing & Research Laboratories Inc, ETR Labs, ETR Laboratories.
"as advertised"
Nancy C on July 2018

Real Estate Inspections
Real Estate Inspections
We offer a complete line of residential and commercial property inspection and testing services. All of our services are performed in house by trained, licensed, and certified inspectors. Our mission is to impart knowledge to our clients. We endeavor to empower our clients with the knowledge they need to make informed Financial, Health & Safety decisions for their family.
"Excellent! See statement"
Peter S on August 2022
We offer a complete line of residential and commercial property inspection and testing services. All of our services are performed in house by trained, licensed, and certified inspectors. Our mission is to impart knowledge to our clients. We endeavor to empower our clients with the knowledge they need to make informed Financial, Health & Safety decisions for their family.
"Excellent! See statement"
Peter S on August 2022

Funari Public Adjusters
Funari Public Adjusters
We are a family owned and operated Public Adjusting Firm that has been open since 1987. For over 30 years we have assisted homeowners through the property claims process and have bolstered our business based on our efforts to not only get the greatest settlement possible for our clients, but also by conducting ourselves as courteous professionals who treat our customers with a great deal of respect and consideration. Unfortunately the time when we usually meet for the first time is after some sort of tragic or catastrophic event in the life of a homeowner, i.e. a collapsed roof or burst stack pipe. However, given our attention to detail, knowledge of construction and vast amount of experience we are fully capable of walking you through these no doubt difficult to deal with situations and we can help you come out of it with a great sigh of relief and often a notion of surprise at how great and quick a settlement can come from the claims adjusting process. Give us a call for a free home walk-through and policy evaluation!
"????? Highly Recommended Review: Funari Public Adjusters I am writing to share my experience with Funari Public Adjusters, and I cannot say enough about the exceptional service provided by the owners, Chris and Vito, and their entire team of experts. From the very first call, they were immediately available and responsive, helping me during my critical time of need. The team went above and beyond in every aspect?from assigning a dedicated representative to handle my claim, to guiding me through the entire process from start to finish. Every staff member I interacted with was friendly, professional, and extremely helpful whenever I had questions. I have used this company on three separate occasions, and each time they exceeded my expectations: When a neighbor?s tree fell on the back portion of my home. When I experienced a theft at my rental property, resulting in damages and losses. Most recently, after heavy rains caused significant roof damage to my home, including my top-floor"
Henrietta y on August 2025
We are a family owned and operated Public Adjusting Firm that has been open since 1987. For over 30 years we have assisted homeowners through the property claims process and have bolstered our business based on our efforts to not only get the greatest settlement possible for our clients, but also by conducting ourselves as courteous professionals who treat our customers with a great deal of respect and consideration. Unfortunately the time when we usually meet for the first time is after some sort of tragic or catastrophic event in the life of a homeowner, i.e. a collapsed roof or burst stack pipe. However, given our attention to detail, knowledge of construction and vast amount of experience we are fully capable of walking you through these no doubt difficult to deal with situations and we can help you come out of it with a great sigh of relief and often a notion of surprise at how great and quick a settlement can come from the claims adjusting process. Give us a call for a free home walk-through and policy evaluation!
"????? Highly Recommended Review: Funari Public Adjusters I am writing to share my experience with Funari Public Adjusters, and I cannot say enough about the exceptional service provided by the owners, Chris and Vito, and their entire team of experts. From the very first call, they were immediately available and responsive, helping me during my critical time of need. The team went above and beyond in every aspect?from assigning a dedicated representative to handle my claim, to guiding me through the entire process from start to finish. Every staff member I interacted with was friendly, professional, and extremely helpful whenever I had questions. I have used this company on three separate occasions, and each time they exceeded my expectations: When a neighbor?s tree fell on the back portion of my home. When I experienced a theft at my rental property, resulting in damages and losses. Most recently, after heavy rains caused significant roof damage to my home, including my top-floor"
Henrietta y on August 2025
The Garnet Valley, PA 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.

Get clear answers on how much radon remediation costs, including average prices, key cost factors, and tips to save money on your home’s radon mitigation.

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.

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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- 🌱 "Mow a small front yard"
- 🛠 "Fix a leaking pipe under the sink"
- 🏠 "Repair shingles on an asphalt roof"





