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

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

Serving Crownsville, 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 Remedy Plumbing and Drain Cleaning
Remedy Plumbing and Drain Cleaning
4.8(
78
)
Sewer Main - Install, Replace or Repair

Serving Crownsville, MD and surrounding areas

Approved

In business since 2007

Free estimates

Emergency services offered

"I contacted Rema on Saturday. He got back and came on the next day. He removed his shoes. He installed a new flush valve that I supplied. He had to replace the existing fill valve. The existing fill valve would not fit the new flush valve. He clean up and there were no problems. It worked fine."
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 Crownsville, MD and surrounding areas

Approved

In business since 1968

Free estimates

Emergency services offered

"This company was highly rated on Home Advisor. That is why I hired them. They sent a **junior** plumber to rework the pipes in the shower of a 60-year-old house. I also asked that a new faucet be installed in the lower-level bathroom. In the case of the bathroom repiping, a couple of mistakes were made according to the tile installer who had to ask for a correction. In the case of the lower bathroom faucet, I was told that because of the pedestal sink, a portion of the bathroom wall would have to be replaced. I certainly did not want that to occur to replace a faucet. Ultimately, this inexperienced plumber asked the main office to send another plumber to do the work and determine how to save the wall in the process. Day 2, a more experienced plumber came, changed the faucet without further adieu. The total cost of all of this far exceeded what I expected."
Mr. Rooter of Baltimore fleet
Response time50 mins
17 neighbors recently requested a quote
Recommended by83%of homeowners
P & C Plumbing
5.0(
10
)
Sewer Main - Install, Replace or Repair

Serving Crownsville, 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 Pasadena Premier Plumbing LLC
Pasadena Premier Plumbing LLC
5.0(
5
)
Sewer Main - Install, Replace or Repair

Serving Crownsville, MD and surrounding areas

Approved

In business since 2016

Emergency services offered

Warranties offered

We take great pride in our experience, expertise, quality, and customer service that we provide to meet the consumer's needs. It is our mission to provide excellent workmanship and complete customer satisfaction, from the start to the completion of a project. In order to understand the needs and expectations of our customers, we take great care to work and communicate with every customer in a professional manner. Our reputation is based on service, safety, and quality, regardless of how large or small the job is. \n

Install new toilet
Install new toilet
Install new toilet
Install new toilet
Replace exterior sewer

+11

Response time4 hrs
Response rate100%
Avatar for Dun Rite Drain Cleaning LLC
Dun Rite Drain Cleaning LLC
4.8(
10
)
Sewer Main - Install, Replace or Repair

Serving Crownsville, MD and surrounding areas

Approved

In business since 2012

Free estimates

Emergency services offered

"Excellent! Sterling was prompt, courteous, and professional in the way he went about the job, explaining each step and telling me up front what the cost of the effort would be. He cleaned the clog and left no mess whatsoever. I would highly recommend his business and would seek his help again for another plumbing problem."
Snaking bathtub clog
Clogged bathtub 🛀
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1 neighbors recently requested a quote
Recommended by70%of homeowners
Around the Clock Plumbing & Heating Inc
5.0(
1
)
Sewer Main - Install, Replace or Repair

Serving Crownsville, MD and surrounding areas

Approved

In business since 1997

Free estimates

Credit card accepted

We are committed to excellence in every aspect of our \nbusiness. We uphold a standard of integrity bound by fairness, honesty, \nand personal responsibility. Our distinction is the quality of service \nwe bring to our customers. Accurate knowledge of \nour trade combined with ability is what makes us true professionals. \nAbove all, we are watchful of our customers' interests and make their \nconcerns the basis of our business.

Response time6 hrs
F.H. Furr Glen Burnie
New to Angi
Sewer Main - Install, Replace or Repair

Serving Crownsville, MD and surrounding areas

Approved (Corporate)

Three qualities all of our people have that make us Northern Virginia, D.C. & Maryland’s #1 Home Service Provider. That’s the F.H. Furr Difference. F.H. Furr is D.C., Maryland & Northern Virginia’s premier plumber, HVAC contractor and electrician. F.H. Furr is A+ rated by the Better Business Bureau and has consistently been voted Best of Prince William County for HVAC, Plumbing and electrical.

1 neighbors recently requested a quote
Avatar for Heil Plumbing & Hvac
Heil Plumbing & Hvac
4.9(
238
)
Sewer Main - Install, Replace or Repair

Serving Crownsville, MD and surrounding areas

In business since 1977

Free estimates

Emergency services offered

"We are so grateful for your service, prompt and reliable. The entire crew who came out to work on our sewer line repair was so kind and extremely knowledgeable. When I had a follow up question, they came right back out to check the work, and went above and beyond to make sure my concerns were handled. I highly recommend your company. From our very first emergency call to the completion of the job, to the grass that is already growing to cover the big dig! Thank you for making a very difficult situation as calm and easy as possible. Jenn & Dave Peter, Columbia MD."
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Additional Photos
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+1

Recommended by96%of homeowners
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FAQs for sewer main install, replace or repair projects in Crownsville, 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 Crownsville, 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.