Top-rated radon detection and reduction specialists.

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There are 4 highly-rated local radon detection and reduction specialists.

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Global Restoration Services, Inc.

5.00(
20
)
Approved Pro

Global Restoration Services, Inc.

5.00(
20
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
111 local quotes requested

With years of experience serving Ronkonkoma and surroundings area, Global Restoration Services, Inc. is your solution for all your mold removal needs. We take great pride in our extreme professionalism, timeliness and superior customer service on every job. We make sure to develop a lasting relationship so that the next time service is needed there will be no question on who to call. Satisfaction guaranteed!

"I can’t express my gratitude enough for what this company did for my mother. Having an electrical fire at her house was scary enough. They were there from the moment we needed them and guided me through the entire process and made me understand each step. CuzWith precise efficiency they started the process of the cleanup that day and finished the projects In two weeks time. They were very professional and had great communication and customer service. I highly recommend this company above all."

Danielle W on August 2024

With years of experience serving Ronkonkoma and surroundings area, Global Restoration Services, Inc. is your solution for all your mold removal needs. We take great pride in our extreme professionalism, timeliness and superior customer service on every job. We make sure to develop a lasting relationship so that the next time service is needed there will be no question on who to call. Satisfaction guaranteed!

"I can’t express my gratitude enough for what this company did for my mother. Having an electrical fire at her house was scary enough. They were there from the moment we needed them and guided me through the entire process and made me understand each step. CuzWith precise efficiency they started the process of the cleanup that day and finished the projects In two weeks time. They were very professional and had great communication and customer service. I highly recommend this company above all."

Danielle W on August 2024


"Peter and his team were very thorough in assessing and remediating my mold problem. His staff was very knowledgeable, professional and courteous throughout the process. Issue was identified , remediated and contained with modern state of the art equipment."

Greg D on November 2023

We guarantee your satisfaction and we won’t leave until the job is done right. We pride ourselves on the quality work we provide, while delivering great customer service! Check out our services offered and call or click to schedule a free estimate today.

"Peter and his team were very thorough in assessing and remediating my mold problem. His staff was very knowledgeable, professional and courteous throughout the process. Issue was identified , remediated and contained with modern state of the art equipment."

Greg D on November 2023


Avatar for Phase 1 Restoration Inc.

Phase 1 Restoration Inc.

4.79(
19
)
Approved Pro

Phase 1 Restoration Inc.

4.79(
19
)
Approved Pro
Customers say: Quick response
158 local quotes requested
38 years of experience

Phase 1 Restoration, Inc. possesses and utilizes the acumen to evaluate our client’s requirements and initiate a course of action necessary to achieve intended targets, incorporating the client’s schedule, budget, operational needs and future plans into consideration.

"Phase 1 did a fantastic job. They arrived on time and worked well to remove the asbestos from our basement."

Peter S on July 2025

Phase 1 Restoration, Inc. possesses and utilizes the acumen to evaluate our client’s requirements and initiate a course of action necessary to achieve intended targets, incorporating the client’s schedule, budget, operational needs and future plans into consideration.

"Phase 1 did a fantastic job. They arrived on time and worked well to remove the asbestos from our basement."

Peter S on July 2025


Avatar for Elite Home Inspection Group LLC

Elite Home Inspection Group LLC

No reviews yet

Elite Home Inspection Group LLC

No reviews yet
Free onsite estimate

I am a Licensed and insured home inspector that is reliable and thorough. I take my time with inspections and always put my clients first. You'll receive a detailed home inspection report along with some tips and tricks for maintaining a safe home.

I am a Licensed and insured home inspector that is reliable and thorough. I take my time with inspections and always put my clients first. You'll receive a detailed home inspection report along with some tips and tricks for maintaining a safe home.


Avatar for Unique Restoration

Unique Restoration

5.00(
4
)

Unique Restoration

5.00(
4
)
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers

Unique Restoration is a licensed and insured, full-service remediation, restoration and general contracting company that offers a variety of insight and services for water damage restoration, sewage backup, storm damage, fire damage restoration. Minimizing your loss is our top priority. Our highly trained technicians will evaluate your damage and provide a plan for property restoration and recovery. Your assigned project manager will digitally record and document the damage to your home or business and its contents, providing valuable advice and guidance when filing your insurance claim.

"Jason is extremely professional. All his work is done in an extremely timely manner, his prices are better then anyones around without him having to lower the price tag to get the job and on top of it you can’t beat the quality of the work. Just take a ride over to one of the 4 tap rooms he built and you won’t have any more questions!!!"

David J on March 2022

Unique Restoration is a licensed and insured, full-service remediation, restoration and general contracting company that offers a variety of insight and services for water damage restoration, sewage backup, storm damage, fire damage restoration. Minimizing your loss is our top priority. Our highly trained technicians will evaluate your damage and provide a plan for property restoration and recovery. Your assigned project manager will digitally record and document the damage to your home or business and its contents, providing valuable advice and guidance when filing your insurance claim.

"Jason is extremely professional. All his work is done in an extremely timely manner, his prices are better then anyones around without him having to lower the price tag to get the job and on top of it you can’t beat the quality of the work. Just take a ride over to one of the 4 tap rooms he built and you won’t have any more questions!!!"

David J on March 2022


Vet-Spections LLC

No reviews yet

Vet-Spections LLC

No reviews yet

As a Veteran owned and operated business, we offer top notch service in ensuring your homes air quality is safe, sound and secure. This way you have no worries about Mold, Asbestos, Lead or Radon. Air Quality is key!

As a Veteran owned and operated business, we offer top notch service in ensuring your homes air quality is safe, sound and secure. This way you have no worries about Mold, Asbestos, Lead or Radon. Air Quality is key!


Avatar for J. Augustino Cleaning & Restoration

J. Augustino Cleaning & Restoration

5.00(
3
)

J. Augustino Cleaning & Restoration

5.00(
3
)
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers

Family owned and operated with over 3 generations in the stone and tile industry, specializing in the Polishing, Honing, Maintnance and Repairs of all natural stone and tile materials. Scratched? Dull? Coped or Cracked stone let us bring it back to life and its original condition or better.

"Their service was excellent. The man that came took off his shoes when he entered my home and was very friendly. We had a conversation about my project and it was done within a few hours. I was very pleased with my results and will be using this company with my future projects. Their pricing was within my budget and I couldn't be happier to find them."

Adele H on August 2020

Family owned and operated with over 3 generations in the stone and tile industry, specializing in the Polishing, Honing, Maintnance and Repairs of all natural stone and tile materials. Scratched? Dull? Coped or Cracked stone let us bring it back to life and its original condition or better.

"Their service was excellent. The man that came took off his shoes when he entered my home and was very friendly. We had a conversation about my project and it was done within a few hours. I was very pleased with my results and will be using this company with my future projects. Their pricing was within my budget and I couldn't be happier to find them."

Adele H on August 2020


Avatar for Lance Dorfi LLC

Lance Dorfi LLC

5.00(
10
)

Lance Dorfi LLC

5.00(
10
)
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


RYCO Home Inspection Services

No reviews yet

RYCO Home Inspection Services

No reviews yet
10 years of experience

If you are considering buying a home, a RYCO Home Inspection Services inspector will guide you through the inspection process, educating you on the structure and systems of your home. Kevin Geertgens is a New York State Licensed Home Inspector (License #16000068726) and RYCO's lead Home Inspector. He holds a degree in Civil Technology and has been in the building trades since 1988 as a Carpenter and General Contractor. Kevin is also Licensed by the New York State Department Of Labor as a Mold Assessor (License #00594). A mold assessment is a necessary test for anyone considering buying a home which has been effected by water intrusion and may have a mold condition. This mold assessment pays for itself in peace of mind if your considering buying a home in any of our water front communities, like Bayville, Oyster Bay, Glen Cove and New Rochelle just to name a few. Kevin's education and decades of practical experience remodeling homes allow him to offer his clients a realistic review of a homes strengths and weakness. He will also be able to offer guidance in order to address any problems that were discovered during the inspection. This is the most important step in the home buying process. You employed a professional to help you find the house and finance it. Now you need a professional to provide you with knowledge to make an informed decision on the condition of the house and give you the confidence you need to make it your home. A RYCO home inspection report provides the facts needed to make an informed, educated decision. It helps our clients feel confident while making one of the biggest decisions of their lives.

If you are considering buying a home, a RYCO Home Inspection Services inspector will guide you through the inspection process, educating you on the structure and systems of your home. Kevin Geertgens is a New York State Licensed Home Inspector (License #16000068726) and RYCO's lead Home Inspector. He holds a degree in Civil Technology and has been in the building trades since 1988 as a Carpenter and General Contractor. Kevin is also Licensed by the New York State Department Of Labor as a Mold Assessor (License #00594). A mold assessment is a necessary test for anyone considering buying a home which has been effected by water intrusion and may have a mold condition. This mold assessment pays for itself in peace of mind if your considering buying a home in any of our water front communities, like Bayville, Oyster Bay, Glen Cove and New Rochelle just to name a few. Kevin's education and decades of practical experience remodeling homes allow him to offer his clients a realistic review of a homes strengths and weakness. He will also be able to offer guidance in order to address any problems that were discovered during the inspection. This is the most important step in the home buying process. You employed a professional to help you find the house and finance it. Now you need a professional to provide you with knowledge to make an informed decision on the condition of the house and give you the confidence you need to make it your home. A RYCO home inspection report provides the facts needed to make an informed, educated decision. It helps our clients feel confident while making one of the biggest decisions of their lives.


Home Inspection Associates

No reviews yet

Home Inspection Associates

No reviews yet
Free onsite estimate

We are a family owned and operated home inspection service serving the home buyers and real estate investors of the great metro area. Competitive rates, multiple report formats with SAME DAY REPORT available, and FREE TERMITE AND WOOD-DESTROYING INSECT REPORT WITH EVERY INSPECTION!

We are a family owned and operated home inspection service serving the home buyers and real estate investors of the great metro area. Competitive rates, multiple report formats with SAME DAY REPORT available, and FREE TERMITE AND WOOD-DESTROYING INSECT REPORT WITH EVERY INSPECTION!

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Radon Detection and Reduction questions, answered by experts

Professional radon detection involves placing test kits in the lowest lived-in level of the house for a period, usually 48 hours to several months, followed by lab analysis of collected data.

DIY radon detection is possible using over-the-counter test kits, but professional testing can provide more accurate assessments, especially in cases of high initial readings.

Keeping radon from getting into your home is much better than having to get rid of it once it's already indoors. While there may not be a way to fully prevent radon from getting into your home, there are things you can do to reduce the gas's ability to enter. 

Sealing foundation cracks and openings can help keep the gas from seeping inside. Improving air flow, such as by opening windows, can also be helpful. If you're building your home from scratch, talk to your contractor about using radon-resistant construction to keep the gas out.

Services test for allergens, mold, VOCs, and carbon monoxide levels to ensure a healthy indoor environment.

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.

The Mastic Beach, NY 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.

What do you need done? We’ll find top pros.
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