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Top-Rated Sewer main install, replace or repairers in New Bedford - Updated Nov 2026

Avatar for Beacon Drain Service, LLC
Beacon Drain Service, LLC
5.0(
17
)
Sewer Main - Install, Replace or Repair

Serving New Bedford, MA and surrounding areas

Approved

In business since 2020

Free estimates

Emergency services offered

"Had a main line clog that shut down all my bathrooms. Garett came out quickly and was able to solve the problem quickly. Garetts work was neat and made me feel like I was in good hands. Definitely would recommend again!"
Additional Photos
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Response time1 day
Recommended by93%of homeowners
Avatar for Mr. Rooter Plumbing of Southern Mass
Mr. Rooter Plumbing of Southern Mass
3.6(
726
)
Sewer Main - Install, Replace or Repair

Serving New Bedford, MA and surrounding areas

Approved

In business since 1990

Emergency services offered

Warranties offered

"Kevin came out promptly and made an effort to get us what we wanted for the best money. It was easy to schedule to have him come back and he did a wonderful job replacing our faucet, installing a sprayer, and replacing two toilets. No more $600 sewer bill! We are very pleased with the work that was done and the price was very reasonable. We absolutely will be calling Kevin again with our plumbing needs!"
Laundry Tray Pump
Laundry Tray Pump
Heat Zone Piping
Boiler
Water Heater

+24

Response time1 hour
12 neighbors recently requested a quote
Recommended by80%of homeowners
Avatar for Cotti Johnson HVAC, Inc.
Cotti Johnson HVAC, Inc.
4.3(
63
)
Sewer Main - Install, Replace or Repair

Serving New Bedford, MA and surrounding areas

Approved (Corporate)

In business since 1944

Free estimates

Emergency services offered

"Responded immediately to the side effects of a water break in the house. Immediately restored electrical services to dry areas, came back a few days later to restore more services. Gave detailed proposal before work was initiated, had enough supplies on truck to immediately replace most of affected parts. and advised on purchase of replacement fixtures. The technician was cheerful and understood my goals in restoring service."
Home Standby Generator Installation
Home Standby Generator Installation
Home Standby Generator Installation
Home Standby Generator Installation
Home Standby Generator Installation

+56

Response time9 hrs
Response rate97%
85 neighbors recently requested a quote
Avatar for GEM Plumbing & Heating
GEM Plumbing & Heating
5.0(
1
)
Sewer Main - Install, Replace or Repair

Serving New Bedford, MA and surrounding areas

Approved

In business since 1949

Free estimates

Emergency services offered

With over 75 years of experience, GEM provides reliable plumbing services for homeowners in Raynham, MA and nearby areas like Taunton, Bridgewater, and Easton. Our licensed plumbers handle everything from leak repairs and drain cleaning to water heaters, fixture installations, and fast emergency plumbing response.\n\nWhether you're dealing with a burst pipe or clogged drain, we respond quickly with dependable solutions to keep your home running smoothly—day or night.

New Thermostat
After
Before
During Removal
During Removal

+16

Avatar for Dennis Diffley Drain Services
Dennis Diffley Drain Services
4.7(
128
)
Sewer Main - Install, Replace or Repair

Serving New Bedford, MA and surrounding areas

In business since 1976

Free estimates

Credit card accepted

"About 2 months ago we had the techs from Diffley Drain Service out. At that time they ran a snake through the drain and pulled out a small root 75 feet down the line which at the time seemed to clear the backup which was manifesting itself in our basement utility sink. Thirty-three days later the problem manifested itself again and to their credit even though it was three days over the warranty period they came back out without any fuss. They snaked the drain again this time going out 105 feet without clearing anything. Now here is where things get a bit dodgy, rather than add a 2nd reel of cable onto the snake (or really even mentioning it) to enable them to snake further the tech tells my wife that they will need to install an external access point in the yard so they can snake further down the line and that will cost $3000. We say we'll think about it and explore other options. Once we watched some videos and educated ourselves about the matter we ended up hiring a different drain service. The new company we hired used 2 spools of snake to be able to go further down the line and cleared a bunch of roots 140 feet down the line. BUYER BEWARE with Diffley Drain Service they seem to only give you part of the story in order to seem credible. I will say that Diffley comes quickly and promptly which when you have sewer backup issues is a positive and they are initially reasonably priced but educate yourself about your problem or you will get taken advantage of."
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High Pressure Water Jetting
Video Camera Inspections
Sewer Connections
Water Line Installation

+1

Recommended by97%of homeowners
Avatar for Stephen A Almeida Plumbing Co
Stephen A Almeida Plumbing Co
4.9(
65
)
Sewer Main - Install, Replace or Repair

Serving New Bedford, MA and surrounding areas

In business since 2011

Free estimates

Credit card accepted

"They came after hours on Christmas Eve and replaced our water heater because we were expecting lots of guests. They were quick, courteous, and very professional. We we're so grateful that they showed up right on time and knew exactly what we needed fixed. We would highly recommend this service to anyone!"
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+2

Recommended by100%of homeowners
Avatar for Sureflow Rooter Service And Drain Cleaning
Sureflow Rooter Service And Drain Cleaning
4.7(
11
)
Sewer Main - Install, Replace or Repair

Serving New Bedford, MA and surrounding areas

In business since 2007

Free estimates

Emergency services offered

"Owner and his crew are impressive. The professional equipment coupled with the determination required to return old sewer lines to working order in the most adverse conditions make Sure Flow the only rooter service I will ever call. I’m also increasingly impressed with there courteous staff and response time. This is a family owned business big enough to handle the toughest jobs but small enough to care about results."
Snaking a residential mainline drom an outside cleanout.
Recommended by100%of homeowners
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FAQs for sewer main install, replace or repair projects in New Bedford, MA

Most trenchless sewer line replacements can be completed within one to three days, though this varies based on your situation. Simple repairs on accessible lines might be finished in hours, while complex systems or challenging soil conditions could extend the timeline. The reduced excavation requirements result in faster completion compared to traditional trenching methods.

Trenchless pipe lining may reduce the interior diameter of your pipes, which could affect flow capacity in already narrow lines. This method also requires the existing pipe to maintain sufficient structural integrity to support the new liner. Severely collapsed sections, major joint separations, or completely misaligned pipes might not be suitable candidates for lining and could require alternative approaches.

Trenchless sewer pipe liners are rated to last up to 50 years when properly installed and maintained. Actual longevity depends on installation quality, usage patterns, and environmental factors like soil movement or tree root intrusion. Regular maintenance and avoiding problematic disposal practices (like flushing non-biodegradable items) can help maximize your system's operational lifespan.

Trenchless technology availability varies by region, with greater accessibility in metropolitan and suburban areas where specialized contractors operate. Some rural locations may have limited access to trenchless equipment and expertise. Local regulations and soil conditions also influence availability. A professional assessment of your property and local contractor options will determine if trenchless methods are feasible for your specific location.

Professional video inspection provides the most reliable assessment of whether your sewer issues suit trenchless repair. Generally, pipes with moderate damage, like small cracks, minor leaks, or partial blockages, respond well to trenchless techniques. Completely collapsed sections, severe misalignments, or extensive structural failures might require traditional excavation. Consulting with contractors who offer both methods ensures you receive unbiased recommendations.

Quality trenchless sewer replacement often includes a workmanship guarantee from the contractor. The specific terms vary by company and region, but many professionals stand behind their installation for at least one year. Material warranties may extend longer, depending on the pipe products used. Always request written warranty information before hiring, and understand exactly what's covered and what might void your protection.

The New Bedford, MA homeowners’ guide to sewer main install, replace or repairs

From average costs to expert advice, get all the answers you need to get your job done.