Top-rated radon detection and reduction specialists.

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There are 2 highly-rated local radon detection and reduction specialists.

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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
85 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 Newman Waterproofing, LLC

Newman Waterproofing, LLC

4.98(
61
)
Approved Pro

Newman Waterproofing, LLC

4.98(
61
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
53 local quotes requested

Family owned business with over 20 years of experience handling all your Mold Testing & Remediation - Water & Smoke Damage. For residential and commercial.

"Great job. The crew set up a shield for the area, removed verticle blinds and had all the proper equipment. Mold was removed, ceiling and blinds treated and bactericidal paint used on the entire are. Also scraped and recaulked exterior top of window to prevent future moisture leak. Would definitely hire again but hope it's not needed! Thanks Steve!"

Patricia M on September 2025

Family owned business with over 20 years of experience handling all your Mold Testing & Remediation - Water & Smoke Damage. For residential and commercial.

"Great job. The crew set up a shield for the area, removed verticle blinds and had all the proper equipment. Mold was removed, ceiling and blinds treated and bactericidal paint used on the entire are. Also scraped and recaulked exterior top of window to prevent future moisture leak. Would definitely hire again but hope it's not needed! Thanks Steve!"

Patricia M on September 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
67 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
170 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


Anvil Radon Services

.
5.00(
15
)

Anvil Radon Services

.
5.00(
15
)
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers

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



(302) 597-7279 SWAT Radon Mitigation of Wilmington

111 W. 9th
5.00(
1
)

(302) 597-7279 SWAT Radon Mitigation of Wilmington

111 W. 9th
5.00(
1
)
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers

SWAT Environmental has installed over 50,000 radon systems throughout the country. We are America’s largest radon abatement company, and we have more certified technicians on staff than any other competitor. The experienced staff at SWAT Environmental leads the industry in removing radon from homes, schools, apartment buildings, condominiums, commercial and government buildings. SWAT Environmental is a trusted partner of some of the largest real estate firms in the country, and we lead the industry in quality and overall value. All of our technicians go through a rigorous training program that prepares them to make your home or office safe from the dangers of radon. When you have a problem with radon, you can trust the experienced professionals at SWAT Environmental.

SWAT Environmental has installed over 50,000 radon systems throughout the country. We are America’s largest radon abatement company, and we have more certified technicians on staff than any other competitor. The experienced staff at SWAT Environmental leads the industry in removing radon from homes, schools, apartment buildings, condominiums, commercial and government buildings. SWAT Environmental is a trusted partner of some of the largest real estate firms in the country, and we lead the industry in quality and overall value. All of our technicians go through a rigorous training program that prepares them to make your home or office safe from the dangers of radon. When you have a problem with radon, you can trust the experienced professionals at SWAT Environmental.


Dr Energy Saver

115 Atlantic Ave
2.75(
4
)

Dr Energy Saver

115 Atlantic Ave
2.75(
4
)
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.

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.


'58 Foundations & Waterproofing

665 DAWSON DR
4.26(
35
)

'58 Foundations & Waterproofing

665 DAWSON DR
4.26(
35
)
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.

"It was excellent. Did good job. Quick, thorough. Met everything to my satisfaction."

Richard B on December 2019

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.

"It was excellent. Did good job. Quick, thorough. Met everything to my satisfaction."

Richard B on December 2019


Real Estate Inspections

675 Featherbed Lane
4.92(
49
)

Real Estate Inspections

675 Featherbed Lane
4.92(
49
)
Customers say: True professional
Recommended by 97% of Angi customers
Recommended by 97% of HomeAdvisor customers

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

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Radon Detection and Reduction questions, answered by experts

DIY kits are available for basic testing. Professional services provide comprehensive results and recommendations.

The natural breakdown of uranium in soil, rock, and water can cause radon to appear in a home. The gas seeps into homes through cracks in foundations, walls, or floors, as well as through gaps around pipes or construction joints. Radon levels are influenced by soil composition, building materials, and ventilation. Poorly sealed or airtight homes can trap radon, allowing it to accumulate.

Radon is the number one non-smoking cause of lung cancer in the United States, but it can cause some other concerning side effects in the meantime. If you have a raspy voice, chest pains, trouble breathing, difficulty swallowing, or any of the above, don’t hesitate to perform radon testing and install a mitigation system as soon as possible.

You should have a professional test for radon every two to five years. A good rule of thumb is to get testing done every five years if you’ve never had an issue before and every two years if you have. You may also want to schedule testing if you notice symptoms of radon exposure or if you do intermittent DIY radon testing and notice changes in your levels between tests. If you have an active radon monitor, you can schedule testing if you notice levels increasing over time.

Radon is a colorless, odorless gas that can cause lung cancer; testing ensures safe indoor air quality.

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The Wyoming, DE 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.