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

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

Serving Frederick, MD and surrounding areas

Approved

In business since 1994

Emergency services offered

Warranties offered

"Recently used Mahon Plumbing for various plumbing needs around my house. As a new homeowner you can be skeptical on what’s behind your walls or in this case pipes. Mahon did an initial sewer line inspection and called them back to swap out toilets and install natural gas in my backyard for a grill and fire table. They were professional, honest, and extremely knowledgeable about all phases of my projects. I would recommend Mahon Plumbing for all of your 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
Markool Heating & Cooling, LLC
4.7(
18
)
Sewer Main - Install, Replace or Repair

Serving Frederick, MD and surrounding areas

Approved

In business since 2019

Free estimates

Credit card accepted

"Professional and efficient. Chris did an A/C repair on a part under warranty from another company. He quickly coordinated getting the new part through the warranty and completed the repair quickly. Will recommend to others."
Response time1 day
16 neighbors recently requested a quote
Recommended by94%of homeowners
F.H. Furr Plumbing Heating & Air Conditioning Inc
4.0(
25
)
Sewer Main - Install, Replace or Repair

Serving Frederick, MD and surrounding areas

Approved (Corporate)

In business since 1981

Free estimates

Emergency services offered

"Great! I have used Furr Plumbing many times so I was not surprised that they quickly located and fixed the problem however I was surprised when I received a NO CHARGE INVOICE! Thank you Furr Plumbing!"
15 neighbors recently requested a quote
Recommended by54%of homeowners
Avatar for Professional lawns
Professional lawns
5.0(
20
)
Sewer Main - Install, Replace or Repair

Serving Frederick, MD and surrounding areas

In business since 2009

Free estimates

Emergency services offered

"The job with excellently. The tech showed up and was professional, courteous, and knowledgeable. I was very happy with that repair that was made, it was done correctly, and in a timely manner. Highly recommend."
Fusion Car Wash
back of the hotel shows the qty of rooms
Main Street view of the hotel.
George Washington University Hospital
Fusion Car Wash

+26

Recommended by100%of homeowners
Avatar for Excellent Plumbing
Excellent Plumbing
4.7(
179
)
Sewer Main - Install, Replace or Repair

Serving Frederick, MD and surrounding areas

In business since 2000

Free estimates

Emergency services offered

"I was looking to replace my 13 year old water heater and called Excellent Plumbing to get a quote. I provided all the information to Mike and he gave me a quote over the phone. I really appreciated this because most of times contractors need to conduct a home visit. Mike was professional and answered all my questions before I agreed to the job. Afterwards, I sent pictures of the old heater and its location. Mike was right on time and got to work. It took about 4 hours. I am very pleased with my new water heater. I will be calling Excellent Plumbing for my any future plumbing jobs. I definitely recommend Excellent Plumbing for their professionalism, friendly customer service and superb work."
Recommended by92%of homeowners
Avatar for Crown Plumber
Crown Plumber
4.7(
261
)
Sewer Main - Install, Replace or Repair

Serving Frederick, MD and surrounding areas

In business since 2010

Free estimates

Credit card accepted

"Arrived promptly and punctually in a very short time frame and definitely knew what he was doing. Installed a state of the art water heater and water softener. Installed the new units nicely and explained what I needed to do. Gave a great deal and definitely didn't try to oversell you."
Recommended by93%of homeowners
Avatar for RT Services
RT Services
5.0(
11
)
Sewer Main - Install, Replace or Repair

Serving Frederick, MD and surrounding areas

In business since 1983

Warranties offered

Small jobs welcome

"The service team was friendly, efficient, and professional. They installed a new laundry pump and removed the old one. I highly recommend RT Services and can trust them to perform high quality work."
My jobs
My jobs
My jobs
My jobs
My jobs

+3

Response time10 hrs
Response rate98%
Recommended by18%of homeowners
Avatar for AABCO Plumbing Drain & Rooter
AABCO Plumbing Drain & Rooter
4.9(
20
)
Sewer Main - Install, Replace or Repair

Serving Frederick, MD and surrounding areas

In business since 1995

Free estimates

Emergency services offered

"I have used Roy for three items, the latest being a hot water heater replacement (mine had a super vent, hence the higher cost). I first used Roy for a subpump emergency a few years ago. He came out the same day, actually at night with little notice. He replaced the subpump quickly and professionally. Based on the great service and price fro the subpump we have used Roy for other household repair, such as clogged toliets, clogged kitchen sink etc...I highly recommend Roy and AABCO."
.
.
Recommended by94%of homeowners
Avatar for Tri-County Pump Service, Inc.
Tri-County Pump Service, Inc.
4.4(
113
)
Sewer Main - Install, Replace or Repair

Serving Frederick, MD and surrounding areas

In business since 1991

Free estimates

Emergency services offered

"Tri‑County Pumps delivered outstanding service. Our water went out on Saturday, and by Monday morning they had us prioritized and on the schedule. Austin and Raymond arrived before 8:30 AM, diagnosed the issue quickly, explained everything clearly, and replaced our well pump with professionalism and efficiency — even in extreme heat and on a steep hill. They were knowledgeable, respectful, and thorough. We trust Tri‑County Pumps completely and will continue using them for all future service needs. — Robert & Sonita"
Recommended by70%of homeowners
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FAQs for sewer main install, replace or repair projects in Frederick, 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 Frederick, 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.