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Avatar for TriState Radon Services, LLC
TriState Radon Services, LLC
5.0(
37
)

Serving Green Brook, NJ and surrounding areas

Approved

Super Service Award Winner

In business since 2024

Free estimates

Warranties offered

"Rob was a good match for us and the work that we needed done. Communication was strong - response was swift, including for at least one accidental phone call. His installation work was 5 / 5. Because he was working in a rail space that had been recently insulated; the project manager also inspected Rob's work to make sure his team did not need to do any follow up repairs. He was very impressed by Rob's workmanship. Rob's mitigation work resulted in a significant reduction in radon levels as measured by our Corentium Home 2 devices from Airthings, this device measures radon/temp/humidity continuously and allows us to monitor levels via the app. if you are concern about radon in your home, I would recommend both Rob from Tri-state, and understanding your long term radon levels using a device such as the Corentium Home 2 device. Below is a snapshot showing the reduction in radon levels in our crawlspace after Rob completed his work."
Exterior system
Radon Mitigation System
Response time11 hrs
48 neighbors recently requested a quote
Recommended by35%of homeowners
Avatar for Radon Shield LLC
Radon Shield LLC
4.9(
103
)

Serving Green Brook, NJ and surrounding areas

In business since 2014

Free estimates

Emergency services offered

"OUTSTANDING WORK on short notice. The Radon Shield team did some very impressive work for us and we will certainly reach-out to them for other services in the future. For this project, we asked Mr. Ugorji and his team to install 2 separate radon mitigation systems for a large sq ft home with a basement air radon concentration well over 4 pCi/L where masonry drilling would be required for the installation. We also faced difficult time constraints, but Mr. Ugorji arranged to begin work the next day. Before visiting the work site, we discussed the installation, the home, expectations. He provided a clear and accurate assessment of the costs and time/effort required for our project (our final bill matched his initial assessment, nothing added, no surprises). The location for the installations, routing of piping and wiring, model fans to be used, attachment and sealing methods, follow-up testing, and much more were discussed before work began. Our preferences were addressed and pros/cons were weighed. Mr. Ugorji worked efficiently and his team tidied-up as the work progressed. All aspects of the installation were handled professionally. Care was taken to upgrade remote junction boxes and other components impacted by the new system. The routing of the suction/exhaust piping was thoughtfully designed, securely installed, and tightly sealed. When both systems were turned-on, they presented matching suction levels, indicating effective under-slab suction. The end result is a very effective radon mitigation system that has (after a few days of constant electronic monitoring) achieved a basement air concentration of 0.35 pCi/L. Mr. Ugorji followed-up with us a few days later to check on the new radon test levels and to ensure everything was as expected."
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+10

Recommended by100%of homeowners
Avatar for RADATA, LLC
RADATA, LLC
4.2(
200
)

Serving Green Brook, NJ and surrounding areas

In business since 1984

Free estimates

Warranties offered

"Fantastic to work with. I received an elevated radon level after a recent test which required mediation. RAdata were very responsive and timely. They even called several days prior to my appointment to offer a new time after a cancellation. They arrived on time, quickly diagnosed the problem, and performed the required work. The technician took the time to fully explain the system and offer suggestions after a new issue was found. I would highly recommend their services."
System on back of house
System next to downspouts
System in back corner
System by AC units
interior pipe in garage

+7

Recommended by95%of homeowners
Gara's Radon Solutions, LLC
4.6(
75
)

Serving Green Brook, NJ and surrounding areas

In business since 2022

Free estimates

Warranties offered

"When my husband and I discovered we had elevated radon levels we contacted a company that our neighbors used. They made us wait 2 weeks came out and gave us a price and then said they had to â think overâ how they would install the system. Frustrated- I did a search and found Garaâ s Radon. Kevin came out right away to give a quote. He was very professional and his price was lower than the previous company. He quickly and efficiently installed our system within a few hours. What was more impressive was the results of our radon test after the installation of the mitigation system, as they dropped from 10.0 to 1.20. Thank you Kevin!"
Recommended by98%of homeowners
Avatar for Ocean Home Inspections
Ocean Home Inspections
5.0(
10
)

Serving Green Brook, NJ and surrounding areas

Free estimates

Emergency services offered

Credit card accepted

"Michael arrived a few minutes early which was great. He was extremely thorough and knowledgeable regarding the home inspection. He took the time to show and explain several potential issues. Michael went above and beyond to make my wife and I feel at ease with the home purchase. He provided a detailed report with the whole house write up and pictures within hours of the inspection. We highly recommend Michael to anyone looking to get a home inspection or any other home services in NJ. You won't be disappointed."
Cups tucked into walls can mean leaks. Keep an eye out!
Recommended by100%of homeowners
Avatar for Mr Home Inspector LLC
Mr Home Inspector LLC
4.7(
14
)

Serving Green Brook, NJ and surrounding areas

In business since 2004

Free estimates

Credit card accepted

"If you want detail, expertise, professionalism, and a savvy customer experience for your home inspection look no further than this man. He is a gem in this field and worth every penny."
Recommended by92%of homeowners
Avatar for Professional Home Inspections of New Jersey LLC
Professional Home Inspections of New Jersey LLC
4.6(
87
)

Serving Green Brook, NJ and surrounding areas

In business since 1987

Free estimates

Credit card accepted

"I chose this company based on Angies list reviews and it did not steer me wrong. His schedule was accomodating and we were able to book a time within just a few days from my call. On the day of the inspection Peter called me and let me know he might be a few minutes late (which I appreciated) but he showed up a few minutes ahead of schedule. He was very thorough and made sure that we understood whatever he was showing us before moving on. He was meticulous and spent most of his time on the exterior and basment as that is where the majority of major issues would be. In this case their happened to be a huge drainage problem. He was very knowledgeable but was careful to state his boundries when dealing with structure problems. He suggested that we pull the permits for any work that was done and to contact a structural engineer. We didnt even get that far because we pulled out the day after his report was sent. The report was completed within 48 hours and was 48 pages long. Obvisouly not all of it was extermely important details, but necessary nonetheless. Peter was also careful not to provide us with opinions, but rather focus on providing us all of the relevant information so that we could make our own informed decision. I'll be calling him again soon when we find another home to purchase.  
"
.
Chimney Needs Repair
Don't close before you get leaks repaired.
Old Electrical Panels can cause fires.
Recommended by94%of homeowners
Avatar for Quality Home Inspection Services LLC
Quality Home Inspection Services LLC
4.8(
17
)

Serving Green Brook, NJ and surrounding areas

In business since 2006

Emergency services offered

Credit card accepted

"I recently used Quality Home Inspection Services as I'm in the process of purchasing a condo. Jamal took the time to explain everything he inspected as he preformed a thorough and detailed inspection of the entire unit, any questions I had were answered immediately with great detail and clear understanding. He provided the written and detailed report very quickly(same day), with pictures, explanations, summary, and any levels of concern or priorities. I would definitely choose Quality Home Inspection Services again in the near future and recommend their services for anyone who’s in need of a thorough and detailed home inspection."
Additional Photos
Additional Photos
Response time8 hrs
Response rate90%
1 neighbors recently requested a quote
Showing 1-10 of 21
Radon Detection and Reduction questions, answered by experts

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.

Radon is a cancer-causing radioactive gas that poses serious health risks, infiltrating homes through foundation cracks and unnoticed spaces.

No level of radon is technically safe, but since it is present everywhere, complete avoidance is impossible. The average radon level in homes across the United States is 1.3 picocuries per liter (pCi/L). The Environmental Protection Agency (EPA) recommends taking preventative measures if your home's radon levels are between 2 and 4 pCi/L or higher.

The cost to replace a radon fan ranges from $300 to $600 for the fan itself, with installation adding an additional $200 to $500. Overall, the total cost for replacement can range from $500 to $1,100, depending on factors such as the fan model, home size, and local labor rates. If the fan is part of a larger radon mitigation system, the price may be higher.

The cost for a radon mitigation system typically ranges from $800 to $1,500, with an average around $1,000. The final price depends on several factors, including the size of your home, the severity of the radon issue, and the type of system required. Your home's foundation type also significantly impacts the cost. For example, sealing and ventilating an unfinished basement might cost around $4,600, while encapsulating a crawl space without a foundation slab can range from $1,500 to $15,000.

The Green Brook, NJ 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.