Top-rated sewer main install, replace or repairers.

Get matched with top sewer main install, replace or repairers in Ellicott City, MD

Enter your zip and get matched with up to 3 pros

Matching on HomeAdvisor

Share some details icon
Share some details about your home project.
Match with local pros icon
Within moments, match with highly-rated local pros.
Compare quotes icon
Compare quotes and choose the best pro for the job.

Top-Rated Sewer main install, replace or repairers in Ellicott City - Updated Nov 2026

Avatar for Mahon Plumbing
Mahon Plumbing
4.6(
199
)
Sewer Main - Install, Replace or Repair

Serving Ellicott City, MD and surrounding areas

Approved

In business since 1994

Emergency services offered

Warranties offered

"I had a plumbing issue that I thought would turn into a major headache, but Mahon Plumbing made the whole process smooth and stress-free. They arrived on time, quickly diagnosed the problem, and had it fixed before I could even make a second cup of coffee. They were professional, knowledgeable, and even gave me a few tips to avoid future issues. The pricing was fair, and there were no surprises on the bill—just great service from start to finish. If you need a plumber who knows what they’re doing and won’t leave you with a mess, I highly recommend Mahon Plumbing. I’ll definitely call them again for any future plumbing needs!"
Tankless water heater installation
Tankless Water Heater Installation
Commercial drain cleaning
Sewer Line Video Inspection
Water heater replacement

+30

Response time7 hrs
Response rate100%
Recommended by92%of homeowners
Avatar for DAY & NIGHT PLUMBER LLC
DAY & NIGHT PLUMBER LLC
4.8(
93
)
Sewer Main - Install, Replace or Repair

Serving Ellicott City, MD and surrounding areas

Approved

In business since 2020

Free estimates

Emergency services offered

"We needed a water heater replacement due to a leak in our existing unit. The company came out promptly after our phone call, provided an estimate, and came back first thing the next morning with a new water heater to install. The owner and staff were patient in answering any questions that we had and did an amazing job cleaning up after they were finished with installation. They went above and beyond to ensure that we were very satisfied with their service. They never made us feel as if they were rushing to complete the job. We would highly recommend them!"
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+1

Response time11 hrs
5 neighbors recently requested a quote
Recommended by97%of homeowners
Avatar for BFMD, LLC
BFMD, LLC
4.5(
156
)
Sewer Main - Install, Replace or Repair

Serving Ellicott City, MD and surrounding areas

Approved

Super Service Award Winner

In business since 2007

Free estimates

Emergency services offered

"Exceptional professionalism and service provided by the Nick and his crew. BFMD's lead representative, Mr. Artie Bell, provided a thorough presentation on the work that was going to be done, and we were kept apprised at every level of the work that was performed. The crew was customer-centered and very, very efficient. Best estimate and value for the sewer main replacement work! We would highly recommend this company to friends and others without hesitation."
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+41

Response time1 day
11 neighbors recently requested a quote
Recommended by85%of homeowners
Avatar for Remedy Plumbing and Drain Cleaning
Remedy Plumbing and Drain Cleaning
4.8(
78
)
Sewer Main - Install, Replace or Repair

Serving Ellicott City, MD and surrounding areas

Approved

In business since 2007

Free estimates

Emergency services offered

"Rema was fantastic. It was a tricky job replacing a water heater tank in a cramped space, and Rema both helped guide us to the right approach plus handled the install and removal of the old unit flawlessly. We'll hire Remedy again for future projects!"
Additional Photos
Additional Photos
9 neighbors recently requested a quote
Recommended by76%of homeowners
Avatar for Mr. Rooter of Maryland
Mr. Rooter of Maryland
4.3(
1,100
)
Sewer Main - Install, Replace or Repair

Serving Ellicott City, MD and surrounding areas

Approved

In business since 1968

Free estimates

Emergency services offered

"Mr. Rooter came out to perform the replacement of a main water line inside that has been leakkng. The technician's team were professional as they setup and prepared to perform the work inside as well as cleaned and removed debris from the construction."
Mr. Rooter of Baltimore fleet
Response time50 mins
17 neighbors recently requested a quote
Recommended by83%of homeowners
Avatar for Roto-Rooter Plumbing & Water Cleanup - Baltimore
Roto-Rooter Plumbing & Water Cleanup - Baltimore
4.2(
662
)
Sewer Main - Install, Replace or Repair

Serving Ellicott City, MD and surrounding areas

Approved (Corporate)

In business since 1935

Free estimates

Emergency services offered

When you need an emergency plumber in Baltimore, MD or a drain cleaner, call Roto-Rooter Plumbing & Water Cleanup. Your fast & reliable plumber can fix any plumbing problem, including sump pumps, toilet repair, faucet repair, faucet replacement, garbage disposals, water heaters, bathtubs, showers, and outside faucets. Roto-Rooter is best known for drain cleaning & sewer cleaning. We fix drain clogs, clogged toilets or sinks, blockage of main sewer lines, slow draining shower and bathtub drains, sewer lines and leaking or burst pipes. We also specialize in water damage restoration & water cleanup services. We can fix and clean up your flooded basement too. Roto-Rooter is a 24-hour plumber near you and provides emergency service.

Roto Rooter- Baltimore
Roto Rooter- Baltimore
Roto Rooter- Baltimore
Roto Rooter- Baltimore
Roto Rooter- Baltimore

+6

Recommended by80%of homeowners
Avatar for Len The Plumber Heating & Air, LLC
Len The Plumber Heating & Air, LLC
4.2(
1,348
)
Sewer Main - Install, Replace or Repair

Serving Ellicott City, MD and surrounding areas

Approved (Corporate)

In business since 1996

Credit card accepted

Customers say: Super punctual

"Inside and outside repairs were handled efficiently and with extra care. House rules followed because of pets. Costs were presented, reviewed and approved prior to repairs. I would rate this project 5 stars"
Additional Photos
10 neighbors recently requested a quote
Recommended by80%of homeowners
P & C Plumbing
5.0(
10
)
Sewer Main - Install, Replace or Repair

Serving Ellicott City, MD and surrounding areas

Approved

In business since 2024

Free estimates

"Our sewer line collapsed unexpectedly, and I was stressed about the cost and the mess. Dwayne Young made the process so much easier than I expected. They arrived on time, treated my property with care, and kept me updated every step of the way. The crew worked quickly, cleaned up after themselves, and the pricing was more than reasonable for the amount of work involved. It’s rare to find a company that’s this honest and reliable. Highly recommend their sewer line repair services!"
3 neighbors recently requested a quote
Avatar for Pohlman Plumbing Inc
Pohlman Plumbing Inc
4.4(
42
)
Sewer Main - Install, Replace or Repair

Serving Ellicott City, MD and surrounding areas

Approved

In business since 2008

Free estimates

Emergency services offered

"Overall it was great. The plumber answered questions and was timely. I discovered a small leak at a soldered fitting after he left and he came back the next morning on a Saturday to correct. I recommend Pohlman for large or small jobs."
Finished Shower
Finished Shower
Panoramic View
Vanity
Mid-replacement

+10

Response time8 hrs
Response rate97%
Recommended by86%of homeowners
...
Showing 1-10 of 100
FAQs for sewer main install, replace or repair projects in Ellicott City, MD

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 Ellicott City, MD 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.