
Get matched with top radon detection and reduction specialists in Havre De Grace, MD
There are 5 highly-rated local radon detection and reduction specialists.
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Verified Reviews for Radon Detection And Reduction pros in Havre De Grace, MD
*The Angi rating for Radon Detection And Reduction companies in Havre De Grace, 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 Havre De Grace, 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 November 15, 2025
Find Radon detection and reduction specialists in Havre De Grace

Tri State Flood Inc
Tri State Flood Inc
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

NextDay Inspect
NextDay Inspect
Our goal is to protect our clients' interest by providing a thorough and detailed inspection of the property. Safeguarding our clients' investment is our priority. We provide residential home inspections, commercial building inspections, pre-drywall inspections, radon gas testing, and mold sampling. View the rate for your home inspection and scheduling availability on our website. Home Inspectors at NextDay Inspect® are licensed by the Department of Professional and Occupational Regulation (DPOR) and the Department of Labor, Licensing, and Regulation (DLLR). Upon completing the on-site inspection the inspector will prepare a report, including photographs taken at the property, and arrows with commentary detailing the areas of concern. Specialized tools are used to ensure a thorough inspection of the properties components. Some of these tools are thermometer, moisture & humidity meter, thermal infrared camera, outlet tester. We have an A plus rating with the Better Business Bureau.
"The inspection taught us a lot about the house and the inspector was very knowledgeable."
Sumitha V on November 2025
Our goal is to protect our clients' interest by providing a thorough and detailed inspection of the property. Safeguarding our clients' investment is our priority. We provide residential home inspections, commercial building inspections, pre-drywall inspections, radon gas testing, and mold sampling. View the rate for your home inspection and scheduling availability on our website. Home Inspectors at NextDay Inspect® are licensed by the Department of Professional and Occupational Regulation (DPOR) and the Department of Labor, Licensing, and Regulation (DLLR). Upon completing the on-site inspection the inspector will prepare a report, including photographs taken at the property, and arrows with commentary detailing the areas of concern. Specialized tools are used to ensure a thorough inspection of the properties components. Some of these tools are thermometer, moisture & humidity meter, thermal infrared camera, outlet tester. We have an A plus rating with the Better Business Bureau.
"The inspection taught us a lot about the house and the inspector was very knowledgeable."
Sumitha V on November 2025

Guardian Basement Waterproofing
Guardian Basement Waterproofing
Guardian Basement Waterproofing understands your basement waterproofing needs. We know how to detect the source of water intrusion and stop leaks before they happen. We help our customers reclaim their basements from water, mold and mildew by doing what we do best: finding and repairing the source of their water-related problems. Guardian uses only skilled and experienced technicians to do the job right the first time! As a basement waterproofing company with more than 40 years of waterproofing experience, Guardian stands behind its work with a Lifetime Guarantee. Additional phone number - (410) 484-9812.
"Avoid Guardian Basement – False Promises and Poor Customer Service Two years ago, I hired Guardian Basement to fix a water issue on the front wall of my basement. Joel came out, sold me on their system, and guaranteed I would have a dry basement. We also replaced two sump pumps and had the sump well dug deeper. The main selling point was their lifetime guarantee. Fast forward two years, and I have the exact same problem. Every time there is significant rain, water rushes through the same wall. I reached out to Guardian Basement, and Joel scheduled a time to check it out. His tone was completely different this time—defensive and dismissive. Within five minutes, he claimed, “Your system is clogged.” He made this assessment without any real inspection—just by looking at the cement floor and wall. Now, here’s the catch: If you look closely at their so-called lifetime warranty, clogs are not covered. So despite spending thousands of dollars, I’m back to square one. To make matters worse, Joel was incredibly condescending and unpleasant to deal with. After this experience, I looked into their licensing with the state of Maryland and found multiple complaints against them. I am now in the process of submitting my own complaint as well. I would never recommend Guardian Basement to anyone. Save your money and go with a company that truly knows what they are doing and stands behind their work. If I could give them a negative number of stars I would."
Kelly M on March 2025
Guardian Basement Waterproofing understands your basement waterproofing needs. We know how to detect the source of water intrusion and stop leaks before they happen. We help our customers reclaim their basements from water, mold and mildew by doing what we do best: finding and repairing the source of their water-related problems. Guardian uses only skilled and experienced technicians to do the job right the first time! As a basement waterproofing company with more than 40 years of waterproofing experience, Guardian stands behind its work with a Lifetime Guarantee. Additional phone number - (410) 484-9812.
"Avoid Guardian Basement – False Promises and Poor Customer Service Two years ago, I hired Guardian Basement to fix a water issue on the front wall of my basement. Joel came out, sold me on their system, and guaranteed I would have a dry basement. We also replaced two sump pumps and had the sump well dug deeper. The main selling point was their lifetime guarantee. Fast forward two years, and I have the exact same problem. Every time there is significant rain, water rushes through the same wall. I reached out to Guardian Basement, and Joel scheduled a time to check it out. His tone was completely different this time—defensive and dismissive. Within five minutes, he claimed, “Your system is clogged.” He made this assessment without any real inspection—just by looking at the cement floor and wall. Now, here’s the catch: If you look closely at their so-called lifetime warranty, clogs are not covered. So despite spending thousands of dollars, I’m back to square one. To make matters worse, Joel was incredibly condescending and unpleasant to deal with. After this experience, I looked into their licensing with the state of Maryland and found multiple complaints against them. I am now in the process of submitting my own complaint as well. I would never recommend Guardian Basement to anyone. Save your money and go with a company that truly knows what they are doing and stands behind their work. If I could give them a negative number of stars I would."
Kelly M on March 2025

Anvil Radon Services
Anvil Radon Services
Our mission is to be a provider that brings back the personal touch with our customers. We will build a relationship that will last a lifetime after you see our quality work. As a locally owned and operated business we feel invested in our clients and constantly strive for customer satisfaction. We won't leave until the job is done right! Call or click to schedule an estimate today!
"Extremely professional and personable service. I’m very pleased with the service I received."
Mark M on March 2023
Our mission is to be a provider that brings back the personal touch with our customers. We will build a relationship that will last a lifetime after you see our quality work. As a locally owned and operated business we feel invested in our clients and constantly strive for customer satisfaction. We won't leave until the job is done right! Call or click to schedule an estimate today!
"Extremely professional and personable service. I’m very pleased with the service I received."
Mark M on March 2023

Callahan Inspection Services
Callahan Inspection Services
Licensed and insured, home inspection, rental inspection, mold testing, radon testing, water quality testing, air quality testing, wood destroying organisms inspection, and well and septic inspections
"Perfect. Inspection was completed and very detailed. The seller of our home was selling as is. But Found problems with the deck which resulted in the seller relaxing the deck. Even though seeker said they were not going to compete any repairs."
Armando Z on July 2021
Licensed and insured, home inspection, rental inspection, mold testing, radon testing, water quality testing, air quality testing, wood destroying organisms inspection, and well and septic inspections
"Perfect. Inspection was completed and very detailed. The seller of our home was selling as is. But Found problems with the deck which resulted in the seller relaxing the deck. Even though seeker said they were not going to compete any repairs."
Armando Z on July 2021

Buyers Eyes Home Inspections LLC
Buyers Eyes Home Inspections LLC
Buyers Eyes Home Inspections LLC is a locally owned and operated company that values honesty and integrity and will inspect your home as if we were buying it for ourselves. You will find us competitively priced. Licensed Home Inspector in Md. and Pa. Also Offering Radon Testing. Very detailed inspections with digital photos. Same day electronic reporting. I have been doing residential inspections for 35 years with a large insurance company so I am very experienced Now in business for myself. I am an electrician as well. **Also offering Radon Testing and Wood Destroying Insect Inspections. 301-676-7097
"Brett arrived on time and completed a detailed inspection of the interior and exterior. He also taught me about important aspects of home maintenance as he completed the assessment. The completed report was detailed and emailed to me very quickly."
Chris B on September 2021
Buyers Eyes Home Inspections LLC is a locally owned and operated company that values honesty and integrity and will inspect your home as if we were buying it for ourselves. You will find us competitively priced. Licensed Home Inspector in Md. and Pa. Also Offering Radon Testing. Very detailed inspections with digital photos. Same day electronic reporting. I have been doing residential inspections for 35 years with a large insurance company so I am very experienced Now in business for myself. I am an electrician as well. **Also offering Radon Testing and Wood Destroying Insect Inspections. 301-676-7097
"Brett arrived on time and completed a detailed inspection of the interior and exterior. He also taught me about important aspects of home maintenance as he completed the assessment. The completed report was detailed and emailed to me very quickly."
Chris B on September 2021

Titleist Testing LLC
Titleist Testing LLC
Titleist Testing specializes in inspecting and sampling/testing of mold, lead paint, drinking water and radon. We are MDE (Maryland Dept. of the Environment) and NAMRI (National Association of Mold Remediators and Inspectors) accredited and certified for both mold and lead paint in Maryland and Washington DC. All lead paint and mold samples are sent to an accredited lab for analysis. You will be provided a full detailed report upon completion. Titleist Testing conducts radon testing for residential homes. We are NRPP (National Radon Proficiency Program) certified which allows a quicker turnaround on radon tests. We are an MDE certified water sampler for chlorine, bacteria, nitrates, copper and PH etc. We can handle any job whether it’s residential or commercial and pride ourselves on prompt reliable service, excellent communication and thorough job completion, Contact Titleist Testing today!.
"Mike was very professional and courteous and explained the entire process for radon testing in our house and with our water supply. He provided very quick turnaround on the results once the testing was complete and offered to answer any questions about the results."
Scott E on January 2019
Titleist Testing specializes in inspecting and sampling/testing of mold, lead paint, drinking water and radon. We are MDE (Maryland Dept. of the Environment) and NAMRI (National Association of Mold Remediators and Inspectors) accredited and certified for both mold and lead paint in Maryland and Washington DC. All lead paint and mold samples are sent to an accredited lab for analysis. You will be provided a full detailed report upon completion. Titleist Testing conducts radon testing for residential homes. We are NRPP (National Radon Proficiency Program) certified which allows a quicker turnaround on radon tests. We are an MDE certified water sampler for chlorine, bacteria, nitrates, copper and PH etc. We can handle any job whether it’s residential or commercial and pride ourselves on prompt reliable service, excellent communication and thorough job completion, Contact Titleist Testing today!.
"Mike was very professional and courteous and explained the entire process for radon testing in our house and with our water supply. He provided very quick turnaround on the results once the testing was complete and offered to answer any questions about the results."
Scott E on January 2019
Hour 25 Solutions, LLC
Hour 25 Solutions, LLC
A firefighter-owned provider of home/rental inspections, radon testing, and water analysis in the Baltimore area. Fully Insured. MD License #32811.
A firefighter-owned provider of home/rental inspections, radon testing, and water analysis in the Baltimore area. Fully Insured. MD License #32811.
IQ Home Inspections
IQ Home Inspections
My home inspection includes an easy to understand narrative report, digital photos, $0 deductible 90 day warranty, a free recall check on the major appliances, and a free home maintenance book
"Mike was extremely thorough and answered all of our questions. His report was detailed and included all the information we needed! Definitely will recommend and use again."
Greg S on February 2018
My home inspection includes an easy to understand narrative report, digital photos, $0 deductible 90 day warranty, a free recall check on the major appliances, and a free home maintenance book
"Mike was extremely thorough and answered all of our questions. His report was detailed and included all the information we needed! Definitely will recommend and use again."
Greg S on February 2018
The Havre De Grace, MD 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.

What is radon testing? Radon testing measures the presence and concentration of radon gas within indoor environments. Read on to learn more.

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

Knowing how to test for radon will keep your home free and safe from this odorless gas—you just have to decide whether to do it yourself or hire a pro.
•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.
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