Top-rated radon detection and reduction specialists.

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Radon detection and reduction specialists in Denton

Avatar for Lawson Home Services, LLC
Lawson Home Services, LLC
115 Atlantic Avenue
4.63(
35
)
Approved Pro
Lawson Home Services, LLC
115 Atlantic Avenue
4.63(
35
)
Approved Pro
Customers say: True professional
Recommended by 91% of Angi customers
Recommended by 91% of HomeAdvisor customers
63 local quotes requested

Full service Radon testing and mitigation, air duct and dryer vent cleaning, and blown-in attic insulation company. We service the entire state of Delaware and eastern Maryland.

"Very professional, knowledgeable, courteous and very customer focused. Would definitely use their services again!"

Chris A on November 2023

Full service Radon testing and mitigation, air duct and dryer vent cleaning, and blown-in attic insulation company. We service the entire state of Delaware and eastern Maryland.

"Very professional, knowledgeable, courteous and very customer focused. Would definitely use their services again!"

Chris A on November 2023


Avatar for NextDay Inspect
NextDay Inspect
46179 Westlake Dr
4.96(
236
)
Approved Pro
NextDay Inspect
46179 Westlake Dr
4.96(
236
)
Approved Pro
Customers say: True professional
Recommended by 99% of Angi customers
Recommended by 99% of HomeAdvisor customers
126 local quotes requested

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.

"He was excellent at his job. He was very thorough"

QUIRINO l on April 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.

"He was excellent at his job. He was very thorough"

QUIRINO l on April 2025


Avatar for In and Out Home Inspections, LLC
In and Out Home Inspections, LLC
11722 Back Creek Road
4.86(
84
)
Approved Pro
In and Out Home Inspections, LLC
11722 Back Creek Road
4.86(
84
)
Approved Pro
Super Service Award
Customers say: Quick response
Recommended by 96% of Angi customers
Recommended by 96% of HomeAdvisor customers
23 local quotes requested

Here at, In and Out Home Inspections, LLC, we pride our company on reliability, great communication, integrity, and quality work. We strongly believe in giving our absolute best in all of our projects no matter how big or small. We are experts in our trade and will always keep you educated on your particular task or project. We look forward to earning your business!

"Excellent and extremely thorough!"

Frank F on June 2024

Here at, In and Out Home Inspections, LLC, we pride our company on reliability, great communication, integrity, and quality work. We strongly believe in giving our absolute best in all of our projects no matter how big or small. We are experts in our trade and will always keep you educated on your particular task or project. We look forward to earning your business!

"Excellent and extremely thorough!"

Frank F on June 2024


Avatar for Lawson Home Services, LLC
Lawson Home Services, LLC
115 Atlantic Avenue
4.78(
55
)
Approved Pro
Lawson Home Services, LLC
115 Atlantic Avenue
4.78(
55
)
Approved Pro
Customers say: Quality work
Recommended by 92% of Angi customers
Recommended by 92% of HomeAdvisor customers
62 local quotes requested

Lawson Home Services is the one that gets it done. We are professionals and will solve your radon problems quickly. From start to finish we are working to reduce your radon levels by doing the job correctly. Give us a call today.

"Excellent work!"

Chuck R on February 2024

Lawson Home Services is the one that gets it done. We are professionals and will solve your radon problems quickly. From start to finish we are working to reduce your radon levels by doing the job correctly. Give us a call today.

"Excellent work!"

Chuck R on February 2024


Callahan Inspection Services
2814 Wells Ave
5.00(
3
)
Callahan Inspection Services
2814 Wells Ave
5.00(
3
)
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers

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


Baker Home Inspection Inc.
5537 Mount Hermon Church Rd.
4.00(
4
)
Baker Home Inspection Inc.
5537 Mount Hermon Church Rd.
4.00(
4
)
Customers say: Quality work
13 years of experience

Complete home and property inspections. 27 years experience in the home building/construction industry. Member of the National Association of Home Inspectors. American Home Inspectors Training Institute Certified. We inspect everything from the grounds to the roof and everything in between. All of our inspections meet or exceed the ASHI standards of practice and code of conduct.

"Mr. Baker was truly amazing and professional and made it very clear that he worked for me the client and he was very detailed in his inspection and let me tag along with him and explained everything. Because of his inspection it showed major problems with the home we were going to buy. My wife and I truly thank Paul because of him and his inspection we avoided buying a money pit home we will use him again when we find the next home we wana buy which will be very soon. If you want an honest person who has your best interest in hand I promise you won't regret hiring Mr. PAUL BAKER."

Jordan H on April 2018

Complete home and property inspections. 27 years experience in the home building/construction industry. Member of the National Association of Home Inspectors. American Home Inspectors Training Institute Certified. We inspect everything from the grounds to the roof and everything in between. All of our inspections meet or exceed the ASHI standards of practice and code of conduct.

"Mr. Baker was truly amazing and professional and made it very clear that he worked for me the client and he was very detailed in his inspection and let me tag along with him and explained everything. Because of his inspection it showed major problems with the home we were going to buy. My wife and I truly thank Paul because of him and his inspection we avoided buying a money pit home we will use him again when we find the next home we wana buy which will be very soon. If you want an honest person who has your best interest in hand I promise you won't regret hiring Mr. PAUL BAKER."

Jordan H on April 2018


Dr Energy Saver
115 Atlantic Ave
2.25(
8
)
Dr Energy Saver
115 Atlantic Ave
2.25(
8
)
Customers say: Super punctual
15 years of experience

Dr. Energy Saver Delaware is your prescription for lower energy bills® in Delaware & Eastern Maryland. We have helped hundreds of homeowners improve their homes comfort and health by making their homes more efficient. Our comprehensive home energy efficiency solutions are customized to fit your specific needs. From window replacement, home insulation and air conditioning (heating, cooling, and ventilation) to air sealing, attic insulation, water heaters and furnace maintenance, repair, and replacement. If you're serious about comfort and health in your home don't take a chance on singular solutions. Your family and your home deserve a total home performance efficiency plan! By evaluating your home's systems, Dr. Energy Saver Delaware can help to ensure that you're getting the best results.

"Got an estimate but they did not want to do things the way I wanted it done and did not want to do everything that I needed done"

Bruce E on January 2018

Dr. Energy Saver Delaware is your prescription for lower energy bills® in Delaware & Eastern Maryland. We have helped hundreds of homeowners improve their homes comfort and health by making their homes more efficient. Our comprehensive home energy efficiency solutions are customized to fit your specific needs. From window replacement, home insulation and air conditioning (heating, cooling, and ventilation) to air sealing, attic insulation, water heaters and furnace maintenance, repair, and replacement. If you're serious about comfort and health in your home don't take a chance on singular solutions. Your family and your home deserve a total home performance efficiency plan! By evaluating your home's systems, Dr. Energy Saver Delaware can help to ensure that you're getting the best results.

"Got an estimate but they did not want to do things the way I wanted it done and did not want to do everything that I needed done"

Bruce E on January 2018


Environmental Testing & Research Laboratories, Inc
60 Elm Hill Ave.
4.78(
372
)
Environmental Testing & Research Laboratories, Inc
60 Elm Hill Ave.
4.78(
372
)
Customers say: True professional
Recommended by 91% of Angi customers
Recommended by 91% of HomeAdvisor customers

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.

"never contacted me"

Bruce H on April 2019

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.

"never contacted me"

Bruce H on April 2019


'58 Foundations
1344A W Nursery Rd
4.18(
160
)
'58 Foundations
1344A W Nursery Rd
4.18(
160
)
Customers say: Super punctual
67 years of experience

For more than 60 years, ’58 Foundations & Waterproofing has provided the highest-quality basement waterproofing, crawlspace encapsulation, radon mitigation, mold removal and foundation repair solutions for homes and commercial properties. We lead with a promise of Trusted Five-Star Service, which means the customer experience is at the center of everything we do. Since 1958, we have been steadfast in keeping this promise and in upholding the values on which '58 Foundations was built: trust, teamwork, integrity, respect and communication. This comes across in all that we do: from the initial call to job completion, our customers are met with a knowledgeable, caring, and professional staff prepared to offer a five-star experience that is unmatched in the home repair industry.

"If you’re considering 58 Foundations, do yourself a favor and stop right now. I cannot, in good conscience, recommend this company to anyone—let alone friends or family. Their complete disregard for accountability is nothing short of infuriating. At first, things appeared to go smoothly. The workers were professional, and the workmanship seemed decent. But the illusion of competence quickly disintegrated when it came time for the building inspection. The city inspector requires a letter from the project engineer verifying that the work is safe, sound, and compliant with code. 58 Foundations flat-out refuses to provide this basic validation of their work. Why won’t they stand behind their project? Are they hiding shoddy, substandard work? As a homeowner, I’m now saddled with the mess of an open permit and no resolution in sight. This is unacceptable. If a company won’t back their work with a simple letter, what does that say about their integrity—or lack thereof? Didn't expect this kind of run around from a well established professional firm, save yourself the frustration and inevitable regret. Choose a company that honors their commitments and respects their customers. Once upon a time, 58 Foundations may have been reputable, but their crumbling standards are now painfully obvious. Don’t let their negligence become your problem."

Warrick S on December 2024

For more than 60 years, ’58 Foundations & Waterproofing has provided the highest-quality basement waterproofing, crawlspace encapsulation, radon mitigation, mold removal and foundation repair solutions for homes and commercial properties. We lead with a promise of Trusted Five-Star Service, which means the customer experience is at the center of everything we do. Since 1958, we have been steadfast in keeping this promise and in upholding the values on which '58 Foundations was built: trust, teamwork, integrity, respect and communication. This comes across in all that we do: from the initial call to job completion, our customers are met with a knowledgeable, caring, and professional staff prepared to offer a five-star experience that is unmatched in the home repair industry.

"If you’re considering 58 Foundations, do yourself a favor and stop right now. I cannot, in good conscience, recommend this company to anyone—let alone friends or family. Their complete disregard for accountability is nothing short of infuriating. At first, things appeared to go smoothly. The workers were professional, and the workmanship seemed decent. But the illusion of competence quickly disintegrated when it came time for the building inspection. The city inspector requires a letter from the project engineer verifying that the work is safe, sound, and compliant with code. 58 Foundations flat-out refuses to provide this basic validation of their work. Why won’t they stand behind their project? Are they hiding shoddy, substandard work? As a homeowner, I’m now saddled with the mess of an open permit and no resolution in sight. This is unacceptable. If a company won’t back their work with a simple letter, what does that say about their integrity—or lack thereof? Didn't expect this kind of run around from a well established professional firm, save yourself the frustration and inevitable regret. Choose a company that honors their commitments and respects their customers. Once upon a time, 58 Foundations may have been reputable, but their crumbling standards are now painfully obvious. Don’t let their negligence become your problem."

Warrick S on December 2024

Radon detection and reduction services FAQs

You can buy DIY radon test kits from a home improvement store and conduct radon testing, but these tests are often inaccurate. No matter the result, you should supplement DIY testing with professional radon detection and analysis. DIYers only have access to passive radon tests, which aren’t as reliable as active tests that professionals use. Plus, it’s very easy for DIYers to make mistakes during testing, leading to inaccurate results. If you’re moving into a new home, have concerns about radon, or are due for an updated test, hire a professional. 

Radon testing costs depend on whether you hire a professional radon inspector or DIY test. You can expect to pay $150 to $800 to hire a local radon inspector, and home-testing kits range in price from $15 to $250 from home improvement stores. However, it’s best to trust a professional inspector with this task to ensure accurate results. Plus, if you have radon in your home, your testing company can develop a mitigation protocol to keep you and your family safe from the dangerous gas, so it’s well worth the money to hire a professional.

If radon is present in your home, you can expect to pay around $1,000 for a radon mitigation system or between $780 and $1,250 in most cases. The exact price will depend on the severity of the radon leak, home size, and the protocol the radon specialist develops to remove radon from your home and keep it out. Your foundation type will also affect your radon mitigation system cost, as unfinished basements will cost about $4,600 to seal and ventilate, while crawl spaces without a foundation slab may need extra encapsulation, costing $1,500 to $15,000.

Yes, radon testing is absolutely necessary if you suspect the presence of this hazardous gas, and the Environmental Protection Agency (EPA) recommends testing for all homes in the country. Radon is a pervasive natural gas that can leak through your home’s foundation and seep into the living areas. Unfortunately, the gas is highly carcinogenic and is the second leading cause of lung cancer. Radon testing is crucial for keeping you and your family safe from harm, so hire a radon mitigation specialist to test your home if you suspect its presence in your home.

In most states, radon testing companies don’t need to be licensed or certified by the state, but the companies that analyze the test results and develop radon mitigation protocols do. You should choose a radon testing company that suits your needs, but before hiring a mitigation specialist, check our state licensing tool to make sure the company is properly certified.

The 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.
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