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Radon detection and reduction specialists in Levant

Avatar for Octagon Cleaning and Restoration
Octagon Cleaning and Restoration
12 Roosevelt Trail
4.71(
93
)
Approved Pro
Octagon Cleaning and Restoration
12 Roosevelt Trail
4.71(
93
)
Approved Pro
Customers say: Super punctual
36 local quotes requested
23 years of experience

Since 2002, Octagon Cleaning & Restoration has been the trusted choice for homeowners and businesses across Maine and New Hampshire. With our ACAC & IICRC Certifications and membership in the Better Business Bureau, we adhere to the highest standards in cleaning and restoration. Our experienced teams are on call 24/7, ready to protect and restore your property quickly and efficiently. We specialize in Water Damage Remediation, Mold Removal, Fire & Smoke Damage Remediation, Commercial Air Duct Cleaning, and Asbestos & Lead Removal. Octagon is here to help every step of the way. We provide thorough assessments, effective mitigation strategies, and seamless communication with your insurance providers. Our commitment to customer satisfaction is reflected in every job we do. From small home cleanups to large commercial restorations, we stand by our 5-Year Guarantee, giving you peace of mind that the job was done right. Octagon Cleaning & Restoration – Your trusted partner in keeping your property safe, clean, and healthy. Contact us today for a free estimate and experience the Octagon difference. Your peace of mind is our priority.

"I’d like to warn you all about Octagon Construction and the horrible experience we have had with them. Before Thanksgiving, the machine overflowed. For hours. Filled my basement. Serv Pro came and tested everything and determined our floors needed to come out in the basement, kitchen, hall, bathroom and laundry room. Octagon Construction told us we were next on the list. We moved into a hotel. They told us it would be done in a week . They came for a few days and then no one showed up. For days. Mike reached out to them & they said they went to do some other job. Then they told us it would be another week. And then another week. And then another week. When we finally came home after a month + my house was completely filthy. Every nook, every cranny, under several inches of dust, including upstairs, in my bedroom, in my drawers. Everywhere. I took time off from work and started cleaning. Every single thing I own. My previously freshly painted walls now had stuff smeared on them that wouldn’t come off. The dust isn’t regular dust but more like some dust and goo combo that isn’t easy to clean off. Mike had to repaint the walls. But worse, our floor looked like s***. There were tiles popping up everywhere. There were huge gaps around the edge & the trim. The insurance guy came. A tile expert came. And then Octagon informed us we would have to move back to the hotel. I lost it because I’d just spent several days cleaning from the time I got up until the time I went to bed. They promised that this time they would clean. They said they would be done Sunday. When I finally got home Tuesday my couch was IN PIECES in the middle of the living room and s*** was in piles. And the dust was back on everything again and in every nook and cranny. My basement is covered in the dust and wood shavings. My refrigerator is dented. My brand new stool has a hole on it. My weights are covered in thinsulate. There are dings in the walls, paint on the floor, scratches on my fridge and walls. A plant is just entirely missing. I sent pictures to Alex, the schmuck who’s the contact at Octagon. This morning , after promising they would clean everything when he told us we had to move back out, I sent pictures when I got home, I get this message “We have met and exceeded our contractual obligations for our agreed upon scope of work. You will be receiving our invoice for the balance due. “"

Gen J on March 2025

Since 2002, Octagon Cleaning & Restoration has been the trusted choice for homeowners and businesses across Maine and New Hampshire. With our ACAC & IICRC Certifications and membership in the Better Business Bureau, we adhere to the highest standards in cleaning and restoration. Our experienced teams are on call 24/7, ready to protect and restore your property quickly and efficiently. We specialize in Water Damage Remediation, Mold Removal, Fire & Smoke Damage Remediation, Commercial Air Duct Cleaning, and Asbestos & Lead Removal. Octagon is here to help every step of the way. We provide thorough assessments, effective mitigation strategies, and seamless communication with your insurance providers. Our commitment to customer satisfaction is reflected in every job we do. From small home cleanups to large commercial restorations, we stand by our 5-Year Guarantee, giving you peace of mind that the job was done right. Octagon Cleaning & Restoration – Your trusted partner in keeping your property safe, clean, and healthy. Contact us today for a free estimate and experience the Octagon difference. Your peace of mind is our priority.

"I’d like to warn you all about Octagon Construction and the horrible experience we have had with them. Before Thanksgiving, the machine overflowed. For hours. Filled my basement. Serv Pro came and tested everything and determined our floors needed to come out in the basement, kitchen, hall, bathroom and laundry room. Octagon Construction told us we were next on the list. We moved into a hotel. They told us it would be done in a week . They came for a few days and then no one showed up. For days. Mike reached out to them & they said they went to do some other job. Then they told us it would be another week. And then another week. And then another week. When we finally came home after a month + my house was completely filthy. Every nook, every cranny, under several inches of dust, including upstairs, in my bedroom, in my drawers. Everywhere. I took time off from work and started cleaning. Every single thing I own. My previously freshly painted walls now had stuff smeared on them that wouldn’t come off. The dust isn’t regular dust but more like some dust and goo combo that isn’t easy to clean off. Mike had to repaint the walls. But worse, our floor looked like s***. There were tiles popping up everywhere. There were huge gaps around the edge & the trim. The insurance guy came. A tile expert came. And then Octagon informed us we would have to move back to the hotel. I lost it because I’d just spent several days cleaning from the time I got up until the time I went to bed. They promised that this time they would clean. They said they would be done Sunday. When I finally got home Tuesday my couch was IN PIECES in the middle of the living room and s*** was in piles. And the dust was back on everything again and in every nook and cranny. My basement is covered in the dust and wood shavings. My refrigerator is dented. My brand new stool has a hole on it. My weights are covered in thinsulate. There are dings in the walls, paint on the floor, scratches on my fridge and walls. A plant is just entirely missing. I sent pictures to Alex, the schmuck who’s the contact at Octagon. This morning , after promising they would clean everything when he told us we had to move back out, I sent pictures when I got home, I get this message “We have met and exceeded our contractual obligations for our agreed upon scope of work. You will be receiving our invoice for the balance due. “"

Gen J on March 2025


Maine Line Water & Radon Treatment, LLC
270 Waterford Rd
4.91(
11
)
Approved Pro
Maine Line Water & Radon Treatment, LLC
270 Waterford Rd
4.91(
11
)
Approved Pro
Customers say: True professional
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
60 local quotes requested

Maine Line Water & Radon Treatment, LLC is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers' interests, and make their concerns the basis of our business.

"They were professional and got the job done in record time."

ANNETTE C on September 2024

Maine Line Water & Radon Treatment, LLC is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers' interests, and make their concerns the basis of our business.

"They were professional and got the job done in record time."

ANNETTE C on September 2024


8 Year Member of NACHI offering Home Inspection Services Husband and Wife Team Proudly serving Entire State of Maine


TP Environmental Consulting LLC
PO Box 3845
5.00(
1
)
TP Environmental Consulting LLC
PO Box 3845
5.00(
1
)
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers

REAL ESTATE HOME INSPECTIONS RESIDENTIAL - COMMERCIAL BUILDING INSPECTIONS ENVIRONMENTAL INSPECTIONS & TESTING MOLD, RADON, FORMALDEHYDE METH LAB EVALUATION and TESTING THIRD PARTY CODE ENFORCEMENT INSPECTORS Our inspectors hold engineering degrees and are certified by the State of Maine in Building Codes and hold numerous Professional Certifications

REAL ESTATE HOME INSPECTIONS RESIDENTIAL - COMMERCIAL BUILDING INSPECTIONS ENVIRONMENTAL INSPECTIONS & TESTING MOLD, RADON, FORMALDEHYDE METH LAB EVALUATION and TESTING THIRD PARTY CODE ENFORCEMENT INSPECTORS Our inspectors hold engineering degrees and are certified by the State of Maine in Building Codes and hold numerous Professional Certifications


Sales and service of water treatment and radon mitigation systems


Environmental Testing & Research Laboratories, Inc
60 Elm Hill Ave.
4.78(
372
)
Environmental Testing & Research Laboratories, Inc
60 Elm Hill Ave.
4.78(
372
)
Customers say: True professional
Recommended by 91% of Angi customers
Recommended by 91% 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.

"never contacted me"

Bruce H on April 2019

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.

"never contacted me"

Bruce H on April 2019

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
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