Top-rated radon detection and reduction specialists.

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Radon detection and reduction specialists in New Market

Wilbur Hull Nano Cleaning Solutions, LLC
308 South Fayette St
4.92(
12
)
Approved Pro
Wilbur Hull Nano Cleaning Solutions, LLC
308 South Fayette St
4.92(
12
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
73 local quotes requested

Professional Mold remediation services at affordable prices! We have the experience and dedication to get the job done right! Specializing in Mold Testing and Remediation services, 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! Call or click to schedule a free estimate today!

"We so enjoyed Wilbur and his crew. The entire experience has been absolutely wonderful. Educational and safety providing! Our home feels clean and safe. My family was so pleased that we set up a temporary gym in our basement to work out as a family after having our home serviced for Mold Remediation! Thank You Again!"

Vanessa J on January 2022

Professional Mold remediation services at affordable prices! We have the experience and dedication to get the job done right! Specializing in Mold Testing and Remediation services, 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! Call or click to schedule a free estimate today!

"We so enjoyed Wilbur and his crew. The entire experience has been absolutely wonderful. Educational and safety providing! Our home feels clean and safe. My family was so pleased that we set up a temporary gym in our basement to work out as a family after having our home serviced for Mold Remediation! Thank You Again!"

Vanessa J on January 2022


Avatar for MoldGone LLC
MoldGone LLC
6770 Oak Hall Ln
4.88(
962
)
Approved Pro
MoldGone LLC
6770 Oak Hall Ln
4.88(
962
)
Approved Pro
Customers say: Super punctual
Recommended by 94% of Angi customers
Recommended by 94% of HomeAdvisor customers
402 local quotes requested

MoldGone is a full service mold inspection, air quality testing, remediation, and reconstruction company with over a decade of experience. Our inspectors and technicians carry the highest and most recognized certifications in the industry. Whether your are a residential or commercial customer seeking mold testing or remediation services you can be assured that the project will be professionally managed and properly certified. There are many companies that offer mold remediation - make sure that the company you choose has an industry recognized mold remediation or inspection certification such as the American Council of Accredited Certification (ACAC) or equivalent. MoldGone is unsurpassed in its commitment to customer service excellence, provision of only the highest caliber service, and providing unsurpassed value in every project or inspection delivered. MoldGone's customers have ranged from the residential homeowner to private schools and churches. In fact, when the Sisters at a private Catholic girls school in the Washington, D.C. area needed a company to treat mold in the Sister's private archive room, complete with 100 year-old manuscripts, they entrusted MoldGone, LLC to do the project. On another project that involved removing mold from a 30 foot ceiling above a filled indoor pool, when the scaffolding company wanted several thousand dollars to build the necessary scaffold to reach the treatment area MoldGone built its own providing the customer significant savings. At MoldGone, LLC. we constantly strive to find the most cost effective way to fully address each and every mold condition. MoldGone technicians are trained specifically for mold treatment and remediation. They are also required to have construction experience since many of our projects involve demolition and reconstruction. Technicians are held to the utmost highest levels of quality with each project receiving a thorough walkthrough by management before it is deemed complete.

"Fantastic"

Evvie B on September 2024

MoldGone is a full service mold inspection, air quality testing, remediation, and reconstruction company with over a decade of experience. Our inspectors and technicians carry the highest and most recognized certifications in the industry. Whether your are a residential or commercial customer seeking mold testing or remediation services you can be assured that the project will be professionally managed and properly certified. There are many companies that offer mold remediation - make sure that the company you choose has an industry recognized mold remediation or inspection certification such as the American Council of Accredited Certification (ACAC) or equivalent. MoldGone is unsurpassed in its commitment to customer service excellence, provision of only the highest caliber service, and providing unsurpassed value in every project or inspection delivered. MoldGone's customers have ranged from the residential homeowner to private schools and churches. In fact, when the Sisters at a private Catholic girls school in the Washington, D.C. area needed a company to treat mold in the Sister's private archive room, complete with 100 year-old manuscripts, they entrusted MoldGone, LLC to do the project. On another project that involved removing mold from a 30 foot ceiling above a filled indoor pool, when the scaffolding company wanted several thousand dollars to build the necessary scaffold to reach the treatment area MoldGone built its own providing the customer significant savings. At MoldGone, LLC. we constantly strive to find the most cost effective way to fully address each and every mold condition. MoldGone technicians are trained specifically for mold treatment and remediation. They are also required to have construction experience since many of our projects involve demolition and reconstruction. Technicians are held to the utmost highest levels of quality with each project receiving a thorough walkthrough by management before it is deemed complete.

"Fantastic"

Evvie B on September 2024


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 Boston Environmental & Contracting, Inc
Boston Environmental & Contracting, Inc
1818 New York Ave NE
4.00(
8
)
Approved Pro
Boston Environmental & Contracting, Inc
1818 New York Ave NE
4.00(
8
)
Approved Pro
Customers say: True professional
78 local quotes requested
19 years of experience

Boston Environmental & Contracting, Inc. (BE&C) is a professional environmental services and contracting firm established in 2006. Our mission is to provide excellent environmental and contracting services to meet the diverse needs of our clients that include government agencies, commercial businesses and homeowners in today’s challenging regulatory climate. We offer a wide variety of cost-effective services including environmental consultancy, abatement, remediation, demolition, renovation/remodeling and specialty contracting services to our residential, commercial and government clients throughout the Washington, DC metropolitan area. We accept all major credit cards: VISA, American Express, MasterCard and Discover DC Business License: 70104232

"I did not use them, I don't live in DC"

Edward R on February 2019

Boston Environmental & Contracting, Inc. (BE&C) is a professional environmental services and contracting firm established in 2006. Our mission is to provide excellent environmental and contracting services to meet the diverse needs of our clients that include government agencies, commercial businesses and homeowners in today’s challenging regulatory climate. We offer a wide variety of cost-effective services including environmental consultancy, abatement, remediation, demolition, renovation/remodeling and specialty contracting services to our residential, commercial and government clients throughout the Washington, DC metropolitan area. We accept all major credit cards: VISA, American Express, MasterCard and Discover DC Business License: 70104232

"I did not use them, I don't live in DC"

Edward R on February 2019


Avatar for NextDay Inspect®
NextDay Inspect®
46179 Westlake Drive
4.89(
482
)
Approved Pro
NextDay Inspect®
46179 Westlake Drive
4.89(
482
)
Approved Pro
Customers say: True professional
98 local quotes requested
17 years of experience

Use code HAWarranty when scheduling for complimentary home warranties! 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 DPOR and DLLR and are certified members of ASHI and InterNACHI. 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+' rating with the Better Business Bureau.

"Excellent service, transparent communication, actionable feedback, and comprehensive reporting with images."

Zach B on March 2025

Use code HAWarranty when scheduling for complimentary home warranties! 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 DPOR and DLLR and are certified members of ASHI and InterNACHI. 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+' rating with the Better Business Bureau.

"Excellent service, transparent communication, actionable feedback, and comprehensive reporting with images."

Zach B on March 2025


Old Line Home Inspections
? (410) 236-3027
5.00(
10
)
Old Line Home Inspections
? (410) 236-3027
5.00(
10
)
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers

If you are looking for the best Maryland Licensed Home Inspector you came to the right place! I am an InterNACHI® Certified Professional Inspector who has completed hundreds of inspections, earned over 30 advanced certifications and completed over 1,000 continuing education hours to gain the knowledge to better serve my clients with the most thorough and diverse home inspection services in the area. We utilize the latest in thermal/infrared imaging and are certified to test for water quality, radon and mold. We are also offer services to test pools/spas, chimneys, well and septic systems just to name a few.

"Andrew was amazing. As a first time homebuyer (he was thorough and answered all of my questions). I’m very pleased that I made the decision to go with Old Line Home Inspections and will gladly refer him to anyone looking for a home inspection."

Natesha J on June 2021

If you are looking for the best Maryland Licensed Home Inspector you came to the right place! I am an InterNACHI® Certified Professional Inspector who has completed hundreds of inspections, earned over 30 advanced certifications and completed over 1,000 continuing education hours to gain the knowledge to better serve my clients with the most thorough and diverse home inspection services in the area. We utilize the latest in thermal/infrared imaging and are certified to test for water quality, radon and mold. We are also offer services to test pools/spas, chimneys, well and septic systems just to name a few.

"Andrew was amazing. As a first time homebuyer (he was thorough and answered all of my questions). I’m very pleased that I made the decision to go with Old Line Home Inspections and will gladly refer him to anyone looking for a home inspection."

Natesha J on June 2021


COS Environmental
No reviews
COS Environmental
No reviews

Radon Testing-Frederick, Montgomery, Washington and Carroll Counties in Maryland * NRPP -Professionally certified * State of the art Radon monitors * Results in as little as 48 hours * Sentrilock access for real estate transactions * Serving Frederick, Montgomery, Washington and Carroll Counties in Maryland * Accepts paypal, major credit cards, cash or check

Radon Testing-Frederick, Montgomery, Washington and Carroll Counties in Maryland * NRPP -Professionally certified * State of the art Radon monitors * Results in as little as 48 hours * Sentrilock access for real estate transactions * Serving Frederick, Montgomery, Washington and Carroll Counties in Maryland * Accepts paypal, major credit cards, cash or check


Frederick Home Inspections
No reviews
Frederick Home Inspections
No reviews
Free onsite estimate

At Frederick Home Inspection Services we treat you like family. We are certified professional inspectors through the home inspector association Internachi, the only accredited organization in the country by the Department of Education! We have a myriad of services that will enable you to feel confidant about the investment you are buying. Call us today to schedule your inspection!

At Frederick Home Inspection Services we treat you like family. We are certified professional inspectors through the home inspector association Internachi, the only accredited organization in the country by the Department of Education! We have a myriad of services that will enable you to feel confidant about the investment you are buying. Call us today to schedule your inspection!


Blue Sky Home Services
10229 Allview Dr
4.97(
62
)
Blue Sky Home Services
10229 Allview Dr
4.97(
62
)
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers

We are specialists at handyman services, kitchen and bathroom remodeling, roof repairs, painting, decks and basement waterproofing We only use quality materials, qualified personnel and are dedicated to completing each project in a timely manner. Your home is one of the most important investments that your family will ever make. It does not matter how big it is or how much it cost, a home is a family’s castle. We pride ourselves on doing business with the basic principles of Honesty, Integrity, Dependability, Quality Workmanship, and Value. Our customers say for that reason we’re the best in the business. We work harder so you don’t have to. Blue Sky Home Services is family owned, and that’s why we treat a customer’s home like it’s our own we’re working on. Our craftsmen are experienced and honest family-men who genuinely enjoy and take pride in our work.

"This is a wonderful company that gives excellent, timely, and quality service for a variety of home needs. Roland always hires the best professionals based on the project you need done and gives you a comprehensive plan of what it takes to complete. I’ve hired Blue Sky for number of projects including installation of a home sauna that required additional electrical work and have always been completely satisfied. As long as they are open, I’ll be using this company for all my handyman needs."

Marilyn K on March 2025

We are specialists at handyman services, kitchen and bathroom remodeling, roof repairs, painting, decks and basement waterproofing We only use quality materials, qualified personnel and are dedicated to completing each project in a timely manner. Your home is one of the most important investments that your family will ever make. It does not matter how big it is or how much it cost, a home is a family’s castle. We pride ourselves on doing business with the basic principles of Honesty, Integrity, Dependability, Quality Workmanship, and Value. Our customers say for that reason we’re the best in the business. We work harder so you don’t have to. Blue Sky Home Services is family owned, and that’s why we treat a customer’s home like it’s our own we’re working on. Our craftsmen are experienced and honest family-men who genuinely enjoy and take pride in our work.

"This is a wonderful company that gives excellent, timely, and quality service for a variety of home needs. Roland always hires the best professionals based on the project you need done and gives you a comprehensive plan of what it takes to complete. I’ve hired Blue Sky for number of projects including installation of a home sauna that required additional electrical work and have always been completely satisfied. As long as they are open, I’ll be using this company for all my handyman needs."

Marilyn K on March 2025


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

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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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