Top-rated radon detection and reduction specialists.

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Avatar for SIS Mold & Home Inspections

SIS Mold & Home Inspections

5.00(
2
)
Approved Pro

SIS Mold & Home Inspections

5.00(
2
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
10 years of experience

We are a small, veteran-owned local business, your safety is our priority. We inspect and test for mold and radon. SIS only performs testing and inspections, not remediation. We have no conflict of interest. For mold testing and inspections, you will receive a report that is clear and easy to understand with lab results interpreted. The mold inspector has done thousands of inspections and tests in the Delaware valley and keeps current with mold education. For radon testing, SIS uses Continuous Radon Monitors (CRM's) to perform short term tests. We provide professional test results and reports. PA state license # 3589 and nationally certified (NRPP).

"Bob from SIS is a straight shooter, provides options, clear explanations and associated costs on the necessary steps to remediate the problem. Good communication, timely and professional. Pleasantly surprised with my experience with SIS and the contractor they recommended to do the work. Easy 5-star rating, not too common these days."

Dennis H on February 2024

We are a small, veteran-owned local business, your safety is our priority. We inspect and test for mold and radon. SIS only performs testing and inspections, not remediation. We have no conflict of interest. For mold testing and inspections, you will receive a report that is clear and easy to understand with lab results interpreted. The mold inspector has done thousands of inspections and tests in the Delaware valley and keeps current with mold education. For radon testing, SIS uses Continuous Radon Monitors (CRM's) to perform short term tests. We provide professional test results and reports. PA state license # 3589 and nationally certified (NRPP).

"Bob from SIS is a straight shooter, provides options, clear explanations and associated costs on the necessary steps to remediate the problem. Good communication, timely and professional. Pleasantly surprised with my experience with SIS and the contractor they recommended to do the work. Easy 5-star rating, not too common these days."

Dennis H on February 2024


Avatar for The Radon Bros

The Radon Bros

5.00(
5
)
Approved Pro

The Radon Bros

5.00(
5
)
Approved Pro
Super Service Award
Customers say: Terrific value
203 local quotes requested
7 years of experience

The Radon Bros is a certified provider specializing in radon testing, mitigation, and system repairs for homes, businesses, and schools across Pennsylvania, Delaware, and Maryland. They also offer mold testing and comprehensive indoor air quality assessments to ensure safer living and working environments. The company provides tailored solutions, including radon system installation and expert consultations for contractors, with a commitment to safety, health, and air quality.

"They were really helpful and polite they explained the job from start to finish and they explian how radon is harmful."

David R on November 2025

The Radon Bros is a certified provider specializing in radon testing, mitigation, and system repairs for homes, businesses, and schools across Pennsylvania, Delaware, and Maryland. They also offer mold testing and comprehensive indoor air quality assessments to ensure safer living and working environments. The company provides tailored solutions, including radon system installation and expert consultations for contractors, with a commitment to safety, health, and air quality.

"They were really helpful and polite they explained the job from start to finish and they explian how radon is harmful."

David R on November 2025


Avatar for BOR of Montgomery County

BOR of Montgomery County

5.00(
1
)
Approved Pro

BOR of Montgomery County

5.00(
1
)
Approved Pro
111 local quotes requested
1 years of experience

At Best Option Restoration of Montgomery County, we specialize in comprehensive disaster restoration services. Our team is dedicated to safeguarding homes and businesses from the damaging effects of mold, water, and storms. Here’s what sets us apart: Mold Remediation: Our certified experts assess and isolate mold contamination, ensuring thorough removal and preventing further spore spread. We identify the root cause, devise effective solutions, and prioritize your safety. Water Removal and Storm Damage Restoration: When water wreaks havoc due to storms or other incidents, we’re here to help. Our 24/7 emergency response team swiftly tackles water extraction, drying, and structural repairs. Comprehensive Services: Beyond mold and water remediation, we handle storm damage repairs, basement flood cleanup Choose Best Option Restoration of Montgomery County for reliable, efficient, and compassionate restoration services. We’re committed to restoring peace of mind and protecting your property.

At Best Option Restoration of Montgomery County, we specialize in comprehensive disaster restoration services. Our team is dedicated to safeguarding homes and businesses from the damaging effects of mold, water, and storms. Here’s what sets us apart: Mold Remediation: Our certified experts assess and isolate mold contamination, ensuring thorough removal and preventing further spore spread. We identify the root cause, devise effective solutions, and prioritize your safety. Water Removal and Storm Damage Restoration: When water wreaks havoc due to storms or other incidents, we’re here to help. Our 24/7 emergency response team swiftly tackles water extraction, drying, and structural repairs. Comprehensive Services: Beyond mold and water remediation, we handle storm damage repairs, basement flood cleanup Choose Best Option Restoration of Montgomery County for reliable, efficient, and compassionate restoration services. We’re committed to restoring peace of mind and protecting your property.


Avatar for IDEAL Environmental Solutions Technology

IDEAL Environmental Solutions Technology

5.00(
10
)

IDEAL Environmental Solutions Technology

5.00(
10
)
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers

IDEAL Environmental Solutions Technology specializes in top quality effective eco-friendly remediations , remodeling, construction, and reconstruction in Pennsylvania, Delaware, Maryland, and New Jersey. Our clients receive 5 years guaranteed service warranty.

"I was immediately connected to the owner of the company, Charles, who was able to explain the remediation process very clearly so that it was easy for me to understand, followed by giving me a quote for ALOT less then any other company that reached out. His entire company's workmanship when he got to my house was nothing short of above and beyond with the vapor barriers and equipment used. My house feels fully restored thanks to this amazing company and I will definitely be recommending to all family and friends! Thank you again to the entire C.A.R.E team for all of their help and hard work!!"

Raymond P on May 2023

IDEAL Environmental Solutions Technology specializes in top quality effective eco-friendly remediations , remodeling, construction, and reconstruction in Pennsylvania, Delaware, Maryland, and New Jersey. Our clients receive 5 years guaranteed service warranty.

"I was immediately connected to the owner of the company, Charles, who was able to explain the remediation process very clearly so that it was easy for me to understand, followed by giving me a quote for ALOT less then any other company that reached out. His entire company's workmanship when he got to my house was nothing short of above and beyond with the vapor barriers and equipment used. My house feels fully restored thanks to this amazing company and I will definitely be recommending to all family and friends! Thank you again to the entire C.A.R.E team for all of their help and hard work!!"

Raymond P on May 2023


Avatar for Anvil Radon Services

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


Helping Solutions, LLC

4.80(
5
)

Helping Solutions, LLC

4.80(
5
)
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers

Inspection firm that specializes in residential and small commercial inspections. We can evaluate indoor air quality, water quality, test and remediate mold, measure and mitigate radon, as well as sample for the presence of lead or asbestos.

"If you’re looking to get any type of inspection or home services then look no further. I recently became a customer of Justin Ake after trying to get my soon to be home inspected. Rick was dispatched to the property and went above and beyond, both explaining the inspection process and showing me key points in the houses plumping and drainage systems. As well as providing information on other tests and services the company performs. I don’t normally write reviews, but I have to say this is one business that takes pride in their trade."

Jarrod H on February 2023

Inspection firm that specializes in residential and small commercial inspections. We can evaluate indoor air quality, water quality, test and remediate mold, measure and mitigate radon, as well as sample for the presence of lead or asbestos.

"If you’re looking to get any type of inspection or home services then look no further. I recently became a customer of Justin Ake after trying to get my soon to be home inspected. Rick was dispatched to the property and went above and beyond, both explaining the inspection process and showing me key points in the houses plumping and drainage systems. As well as providing information on other tests and services the company performs. I don’t normally write reviews, but I have to say this is one business that takes pride in their trade."

Jarrod H on February 2023



Radon Technology & Environmental

5.00(
3
)

Radon Technology & Environmental

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

We are a Family owned business and have locally operated in south eastern PA for over 25 years. We don't sub-contract any of our work. We take pride in our work, and in doing so, have become experts in Radon Remediation.

"I contacted three different companies to obtain estimates. Only one, RTE, offered to come out and inspect the property and thoroughly explain what would be needed. There was no pressure to sign a contract. The other two companies had me answer questions about the house and then sent their estimates. I was impressed that the owner of the company himself came out to provide the estimate. Their expertise, customer service, and quality of work far exceeded my expectations. I just got back the results of the post-remediation testing and level was reduced to 1.2, I highly recommend this company. They serve a wide area of the Delaware Valley."

Alan H on June 2024

We are a Family owned business and have locally operated in south eastern PA for over 25 years. We don't sub-contract any of our work. We take pride in our work, and in doing so, have become experts in Radon Remediation.

"I contacted three different companies to obtain estimates. Only one, RTE, offered to come out and inspect the property and thoroughly explain what would be needed. There was no pressure to sign a contract. The other two companies had me answer questions about the house and then sent their estimates. I was impressed that the owner of the company himself came out to provide the estimate. Their expertise, customer service, and quality of work far exceeded my expectations. I just got back the results of the post-remediation testing and level was reduced to 1.2, I highly recommend this company. They serve a wide area of the Delaware Valley."

Alan H on June 2024


Safeway Pest Control, Inc.

No reviews yet

Safeway Pest Control, Inc.

No reviews yet
29 years of experience

Full service pest and rodent control. Radon testing and analysis. Termite & rodent inspections and reports. We accept cash, checks, bank checks, money orders, and all major credit cards. We offer the following discounts: Senior Citizen, Active/retired military, Disabled veteran, Religious organization.

Full service pest and rodent control. Radon testing and analysis. Termite & rodent inspections and reports. We accept cash, checks, bank checks, money orders, and all major credit cards. We offer the following discounts: Senior Citizen, Active/retired military, Disabled veteran, Religious organization.


Terrapin Inspection LLC

3.00(
2
)

Terrapin Inspection LLC

3.00(
2
)
Customers say: True professional
11 years of experience

With over 15 years of construction experience, I have learned first hand what causes damage to a home, and where to find it. I utilize modern diagnostic tools, including infrared thermal imaging, which can help detect potential moisture signatures, insulation deficiencies, and electrical issues. I encourage my clients to attend the home inspection, as I am also there to educate about the home's systems and components.

"For anybody who reads the one negative review here I'd encourage you to take a look at the more accurate google reviews, which are overwhelmingly positive. I cannot recommend Shane highly enough. If there was an option to give more than 5 stars I would. He spends hours at the property and looks in every nook and cranny. He used to be a contractor, so he's extremely knowledgable about houses. He can talk you through which issues are major and which are minor and how to address them. His report is like a manual for your house. When I sent the report to fellow home owners, they all said "I wish I had him when I was buying my home." Shane is THE GUY."

Patrick M on August 2023

With over 15 years of construction experience, I have learned first hand what causes damage to a home, and where to find it. I utilize modern diagnostic tools, including infrared thermal imaging, which can help detect potential moisture signatures, insulation deficiencies, and electrical issues. I encourage my clients to attend the home inspection, as I am also there to educate about the home's systems and components.

"For anybody who reads the one negative review here I'd encourage you to take a look at the more accurate google reviews, which are overwhelmingly positive. I cannot recommend Shane highly enough. If there was an option to give more than 5 stars I would. He spends hours at the property and looks in every nook and cranny. He used to be a contractor, so he's extremely knowledgable about houses. He can talk you through which issues are major and which are minor and how to address them. His report is like a manual for your house. When I sent the report to fellow home owners, they all said "I wish I had him when I was buying my home." Shane is THE GUY."

Patrick M on August 2023

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Radon Detection and Reduction questions, answered by experts

Costs depend on test type, home size, number of testing locations, and whether follow-up testing is required.

Radon testing costs around $450 on average, but you could pay between $150 and $800 for testing, depending on a few factors. The size of your house is one of the most significant cost factors, as your radon professional will have to set up additional tests for homes with larger footprints. The type of test can also have an impact on the cost. Finally, some radon testing companies will include a recommended protocol for radon mitigation, while others might charge $50 to $100 extra.

Radon enters your home when warm air begins to rise and exits through the roof, creating a vacuum that pulls cooler air from under the foundation. Part of that air is radon, which is an invisible, odorless gas that develops naturally when radioactive particles are deep within the ground. Those particles usually come from decaying matter in soil and rocks.

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.

Mitigation reduces radon levels, protecting your health and complying with safety standards.

The Villanova, PA 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.