Top-rated radon detection and reduction specialists.

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Avatar for Stay Dry Waterproofing - Columbus

Stay Dry Waterproofing - Columbus

20 S 3RD ST
4.17(
47
)
Approved Pro

Stay Dry Waterproofing - Columbus

20 S 3RD ST
4.17(
47
)
Approved Pro
Customers say: Super punctual
131 local quotes requested
15 years of experience

Our team at Stay Dry Waterproofing has over 20 years of experience protecting homes in Columbus. Our team of experts has experience transforming any damp, musty, and wet basement into a comfortable dry living space. We use only tested products that are guaranteed to keep your home safe. Whether you have noticed water, mold, or musty odors emitting from your basement or crawl space, we can help. Stay Dry Waterproofing is Central Ohio's leader in Basement repair and drainage needs. Everything from Basement Waterproofing, Mold Remediation, Foundation Crack and Bowed Wall Repairs, Yard Drainage, and Crawlspace Encapsulation. Life time warranties, Free Estimates and zero percent financing options.

"Great workers and very professional"

Bev S on August 2024

Our team at Stay Dry Waterproofing has over 20 years of experience protecting homes in Columbus. Our team of experts has experience transforming any damp, musty, and wet basement into a comfortable dry living space. We use only tested products that are guaranteed to keep your home safe. Whether you have noticed water, mold, or musty odors emitting from your basement or crawl space, we can help. Stay Dry Waterproofing is Central Ohio's leader in Basement repair and drainage needs. Everything from Basement Waterproofing, Mold Remediation, Foundation Crack and Bowed Wall Repairs, Yard Drainage, and Crawlspace Encapsulation. Life time warranties, Free Estimates and zero percent financing options.

"Great workers and very professional"

Bev S on August 2024


airPro Radon Experts

No reviews yet

airPro Radon Experts

No reviews yet
Emergency services offered

airPro Radon Experts is the go-to radon system contractor. We only use the highest grade products and materials to keep your home safe from radon gases. We are an owner-operated company founded by a hard-working and knowledgeable licensed radon technician. Having an owner-operated company allows clear communication from the initial consultation and throughout the system design and installation process. With no pushy or inexperienced salesmen to overlook key details of the job, you can rest assured your radon problem is in good hands. Our approach will not only give you a properly installed radon system per Ohio Department of Health and AARST standards, but also an unmatched experience you will tell your friends and neighbors about. that's our promise. At airPro we believe no corners should be cut when it comes to you and your family's health and safety, that is why we guarantee all our workmanship and have extensive warranties on all of our products.

airPro Radon Experts is the go-to radon system contractor. We only use the highest grade products and materials to keep your home safe from radon gases. We are an owner-operated company founded by a hard-working and knowledgeable licensed radon technician. Having an owner-operated company allows clear communication from the initial consultation and throughout the system design and installation process. With no pushy or inexperienced salesmen to overlook key details of the job, you can rest assured your radon problem is in good hands. Our approach will not only give you a properly installed radon system per Ohio Department of Health and AARST standards, but also an unmatched experience you will tell your friends and neighbors about. that's our promise. At airPro we believe no corners should be cut when it comes to you and your family's health and safety, that is why we guarantee all our workmanship and have extensive warranties on all of our products.


Black River Radon

273 Township Road 391
5.00(
8
)

Black River Radon

273 Township Road 391
5.00(
8
)
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers

Black River Radon LLC We are a Radon Testing - Mitigation - Repair Company. locally owned and operated Nrpp certified, OARP member. We offer a variety of discounts including cash discounts, military discounts police and fire fighter discounts, senior discounts. We have the lowest pricing in Testing and Mitigation, we offer free over the phone estimates. We strive for perfection. We not only remove the radon from your home, but any workspace we literally leave it cleaner than it was before! we include Warranties on Every radon mitigation system. Only our best quality work, materials and customer service guaranteed. We are a company dedicated to make your radon levels below a 4 pCi/L everytime. We deal with homeowners and realtor and have helped closed on hundreds of time sensitive homes that needed to be radon free to finalize and close the sale of the home. Feel free to check out our website on Google https://ohioradon.com/ or www.ohioradon.com for our Google reviews. Call today for your free no obligation quote.

"Matt at Black River Radon made sure he designed a system that vastly reduced the radon level in our basement. Unlike other companies that did not return my phone call, Matt called me back promptly and then patiently walked me through the answers to my many questions. You and your family will be in good hands with Black River Radon, a business that takes the safety of your family seriously and takes pride in the results of their work."

D W on March 2022

Black River Radon LLC We are a Radon Testing - Mitigation - Repair Company. locally owned and operated Nrpp certified, OARP member. We offer a variety of discounts including cash discounts, military discounts police and fire fighter discounts, senior discounts. We have the lowest pricing in Testing and Mitigation, we offer free over the phone estimates. We strive for perfection. We not only remove the radon from your home, but any workspace we literally leave it cleaner than it was before! we include Warranties on Every radon mitigation system. Only our best quality work, materials and customer service guaranteed. We are a company dedicated to make your radon levels below a 4 pCi/L everytime. We deal with homeowners and realtor and have helped closed on hundreds of time sensitive homes that needed to be radon free to finalize and close the sale of the home. Feel free to check out our website on Google https://ohioradon.com/ or www.ohioradon.com for our Google reviews. Call today for your free no obligation quote.

"Matt at Black River Radon made sure he designed a system that vastly reduced the radon level in our basement. Unlike other companies that did not return my phone call, Matt called me back promptly and then patiently walked me through the answers to my many questions. You and your family will be in good hands with Black River Radon, a business that takes the safety of your family seriously and takes pride in the results of their work."

D W on March 2022


MID-OHIO Radon

7326 State Route 19
5.00(
5
)

MID-OHIO Radon

7326 State Route 19
5.00(
5
)
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers

At MID-OHIO Radon our focus is ensuring you and your family live in a safe, Radon free environment. Our company is dedicated to consulting with families and business owners, testing households and businesses, and bringing peace of mind to those that have found Radon is affecting their lives.

"David was on time for entire project. He gave us a time and he was there when stated. Work was completed and any concerns were addressed. Area was cleaned to our satisfaction after project was completed. All questions were answered. Very good to work with, thank you."

Jim W on April 2020

At MID-OHIO Radon our focus is ensuring you and your family live in a safe, Radon free environment. Our company is dedicated to consulting with families and business owners, testing households and businesses, and bringing peace of mind to those that have found Radon is affecting their lives.

"David was on time for entire project. He gave us a time and he was there when stated. Work was completed and any concerns were addressed. Area was cleaned to our satisfaction after project was completed. All questions were answered. Very good to work with, thank you."

Jim W on April 2020


A-1 Home Inspection

10009 Angling Rd
5.00(
7
)

A-1 Home Inspection

10009 Angling Rd
5.00(
7
)
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers

A-1 Home Inspection is owned and operated by Ray Kershaw. He has 31 years experience in the construction industry and over 20 years in the field performing home inspections. Ray is a graduate of Midwest Inspection Institute and successfully passed the National Home Inspectors examination, together with the Standards of Practice and Code of Ethics of the American Society of Home Inspectors (ASHI). His license number is 210023. He is currently an ASHI certified real estate inspector (CRI). Mr. Kershaw is licensed as a home inspector in the State of Ohio, license number OHI2019005117. A-1 Home Inspection provides an electronic multi-page report including summary pages and pictures upon the completion of the inspection, generally within 24 hours of completion of the inspection. Ray is also an Ohio State licensed radon inspector, performing state-of-the art radon inspections using a continuous monitor. His license number is RT473.

"Ray was very thorough with our home inspection. He offered alot of ideas for saving money and protecting our house by properly using our systems and appliances. On top of doing a great job, he's a great guy! The Szafrans 7/4/25"

Shelley A on July 2025

A-1 Home Inspection is owned and operated by Ray Kershaw. He has 31 years experience in the construction industry and over 20 years in the field performing home inspections. Ray is a graduate of Midwest Inspection Institute and successfully passed the National Home Inspectors examination, together with the Standards of Practice and Code of Ethics of the American Society of Home Inspectors (ASHI). His license number is 210023. He is currently an ASHI certified real estate inspector (CRI). Mr. Kershaw is licensed as a home inspector in the State of Ohio, license number OHI2019005117. A-1 Home Inspection provides an electronic multi-page report including summary pages and pictures upon the completion of the inspection, generally within 24 hours of completion of the inspection. Ray is also an Ohio State licensed radon inspector, performing state-of-the art radon inspections using a continuous monitor. His license number is RT473.

"Ray was very thorough with our home inspection. He offered alot of ideas for saving money and protecting our house by properly using our systems and appliances. On top of doing a great job, he's a great guy! The Szafrans 7/4/25"

Shelley A on July 2025



Radon Environmental Services Of Toledo Inc

1755 W Sylvania Ave
5.00(
3
)

Radon Environmental Services Of Toledo Inc

1755 W Sylvania Ave
5.00(
3
)
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers

We are proud to be celebrating 24 years of continuous service in protecting Ohio families from the dangers of exposure to Radon gas in our homes. We are a family owned and operated business and have mitigated well over six thousand homes in Northwest and Northcentral Ohio. We are also excited to announce the recent opening of our new office in Vermilion, Ohio! For over 20 years we have been covering NW Ohio, as far as the western suburbs of Cleveland. With our new office and our newest licensed tester, we have expanded our service area and increased our efficiency in delivering test results. Over the years we have built our reputation on honesty, professionalism and reliable and prompt results. Please visit us at www.radon-ohio.com

"Excellent, prompt service, no mess left behind, friendly knowledgeable technicians."

Hal G on October 2018

We are proud to be celebrating 24 years of continuous service in protecting Ohio families from the dangers of exposure to Radon gas in our homes. We are a family owned and operated business and have mitigated well over six thousand homes in Northwest and Northcentral Ohio. We are also excited to announce the recent opening of our new office in Vermilion, Ohio! For over 20 years we have been covering NW Ohio, as far as the western suburbs of Cleveland. With our new office and our newest licensed tester, we have expanded our service area and increased our efficiency in delivering test results. Over the years we have built our reputation on honesty, professionalism and reliable and prompt results. Please visit us at www.radon-ohio.com

"Excellent, prompt service, no mess left behind, friendly knowledgeable technicians."

Hal G on October 2018


ERIE INSPECTION SERVICE, INC.

318 W Main St
4.98(
52
)

ERIE INSPECTION SERVICE, INC.

318 W Main St
4.98(
52
)
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers

Founded in 1989. State Licensed & ASHI Certified. We believe your Home Inspection should be a personalized experience. Erie Inspection Service was built on family principles and values by previous home builders. With multiple inspectors, we are able to expidite your home purchase process. We will provide an informative on-site inspection report that will prepare you for home ownership and give your family insight on the systems, structure and overall condition of the property.

"The service with Erie Inspection Service went great and their team was very professional throughout the process. Highly recommended."

Robert B on April 2025

Founded in 1989. State Licensed & ASHI Certified. We believe your Home Inspection should be a personalized experience. Erie Inspection Service was built on family principles and values by previous home builders. With multiple inspectors, we are able to expidite your home purchase process. We will provide an informative on-site inspection report that will prepare you for home ownership and give your family insight on the systems, structure and overall condition of the property.

"The service with Erie Inspection Service went great and their team was very professional throughout the process. Highly recommended."

Robert B on April 2025


King Home Inspection LLC

8080 Oak Tree Dr N
4.98(
61
)

King Home Inspection LLC

8080 Oak Tree Dr N
4.98(
61
)
Customers say: Quick response
Recommended by 98% of Angi customers
Recommended by 98% of HomeAdvisor customers

The purchase of a home is the biggest investment that a typical family will make. King Home Inspection, LLC. will complete an exhaustive inspection of your new home. We then will educate our customers as to the condition the home and any expected maintenance that may occur over the next several years. While we specialize in single family home inspection, King Home Inspection, LLC. also offers other services that you may be interested in having us perform such as: * Pre-listing inspections * Investment Property Inspection * Multi-family Units * Commercial Inspection * Radon * RecallChek * Lead Paint Test * Wood Destroying Insect Inspection * Gas Leak Test * Mold King Home Inspection LLC. is Certified By ASHI We have received inspection training from the American Society of Home Inspectors (ASHI). We are Kaplan trained Kaplan ITA Training Logothrough the Kaplan Inspection School. We have a combined 20+ years experience in engineering and residential construction. Inspector Brian "B.K." Thompson has a Bachelor of Science from Ohio University and Master of Business from Kent State University. King Home Inspection, LLC. is a member of the Lorain county association of Realtors and the American Society of Home Inspectors ASHI #247612. As ASHI members we know houses. We are trained to objectively communicate to you, the home inspection buyer, what the house has to say. All ASHI members have demonstrated technical proficiency and report-writing skills, and they have committed to continuing education in order to achieve and maintain their member status. ASHI members also know about service. They've reviewed feedback from homebuyer surveys conducted by ASHI asking consumers what they want from a professional home inspector. So they know ASHI wants and cares about feedback from consumers on how its members are doing. Members are committed to conducting inspections in accordance with the ASHI Standards of Practice; committed to abiding by the ASHI Code of Ethics and are dedicated to providing superior customer service. ASHI members deliver more than a home inspection; they deliver "The ASHI Experience". Homebuyers are not the only people who hire ASHI Inspectors. Home sellers also use ASHI inspections to gain knowledge of the condition of their home before placing it on the market. Smart home sellers know that knowledge about their home's condition makes the selling process more palatable. Homebuyers, home sellers, homeowners, or anyone who wants to make an informed decision about a house based on objective information deserves a professional ASHI home inspection.

"Home Inspection/Radon Test"

Nicole A on December 2019

The purchase of a home is the biggest investment that a typical family will make. King Home Inspection, LLC. will complete an exhaustive inspection of your new home. We then will educate our customers as to the condition the home and any expected maintenance that may occur over the next several years. While we specialize in single family home inspection, King Home Inspection, LLC. also offers other services that you may be interested in having us perform such as: * Pre-listing inspections * Investment Property Inspection * Multi-family Units * Commercial Inspection * Radon * RecallChek * Lead Paint Test * Wood Destroying Insect Inspection * Gas Leak Test * Mold King Home Inspection LLC. is Certified By ASHI We have received inspection training from the American Society of Home Inspectors (ASHI). We are Kaplan trained Kaplan ITA Training Logothrough the Kaplan Inspection School. We have a combined 20+ years experience in engineering and residential construction. Inspector Brian "B.K." Thompson has a Bachelor of Science from Ohio University and Master of Business from Kent State University. King Home Inspection, LLC. is a member of the Lorain county association of Realtors and the American Society of Home Inspectors ASHI #247612. As ASHI members we know houses. We are trained to objectively communicate to you, the home inspection buyer, what the house has to say. All ASHI members have demonstrated technical proficiency and report-writing skills, and they have committed to continuing education in order to achieve and maintain their member status. ASHI members also know about service. They've reviewed feedback from homebuyer surveys conducted by ASHI asking consumers what they want from a professional home inspector. So they know ASHI wants and cares about feedback from consumers on how its members are doing. Members are committed to conducting inspections in accordance with the ASHI Standards of Practice; committed to abiding by the ASHI Code of Ethics and are dedicated to providing superior customer service. ASHI members deliver more than a home inspection; they deliver "The ASHI Experience". Homebuyers are not the only people who hire ASHI Inspectors. Home sellers also use ASHI inspections to gain knowledge of the condition of their home before placing it on the market. Smart home sellers know that knowledge about their home's condition makes the selling process more palatable. Homebuyers, home sellers, homeowners, or anyone who wants to make an informed decision about a house based on objective information deserves a professional ASHI home inspection.

"Home Inspection/Radon Test"

Nicole A on December 2019


Environmental Testing & Research Laboratories, Inc

60 Elm Hill Ave.
4.85(
347
)

Environmental Testing & Research Laboratories, Inc

60 Elm Hill Ave.
4.85(
347
)
Customers say: True professional
Recommended by 93% of Angi customers
Recommended by 93% 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.

"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

Radon Detection and Reduction questions, answered by experts

Using an air purifier in your home or basement isn't an effective way to reduce or mitigate radon. Radon is an inert gas, meaning it doesn't react with other chemicals and can't be filtered the way particulates can be. While an air purifier can help improve your indoor air quality in other ways, don't rely on it to reduce radon.

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.

What is radon? It’s a radioactive gas that naturally occurs in the ground, forming as uranium and thorium decay. It has no color or odor, so you don’t know if it’s seeping into your building’s foundation. Regular exposure to radon gas increases your chances of suffering from lung cancer. Radon testing measures the air inside your house for the presence of radon gas. If detected, the test will measure the severity of radon levels in your home’s air.

Yes, DIY kits are available, but professional testing provides more accurate results and comprehensive reports.

A radon test has no effect on humans—only the radon in the air does. The test does not redistribute the radon that is already present so yes, it’s safe to be around the testing kit even if it isn’t safe to be in the room itself. The test absorbs and measures the radon, but doesn't absorb enough of it to make the room any safer.

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The Willard, OH 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.