No Excavated Yard
The lawn, driveway and planting stay where they are — no excavation along the run.
Trenchless Sewer Repair & Replacement In Gaithersburg, MD
Trenchless sewer line repair, replacement and installation across Gaithersburg and Maryland — two small access holes instead of a trench, with the lawn, driveway and landscaping left where they are.
4.9 from 2,979 Google reviews
30+ Years 30+ Years Serving Maryland
24/7 Service 24/7 Emergency Service
WSSC Licensed WSSC Licensed & Insured
Locally Owned Locally Owned and Operated
Trenchless Service in Gaithersburg
Trenchless technology in Gaithersburg
The sewer line is among the most important parts of a plumbing system and the hardest to reach. It is buried, it is usually under something that matters — a lawn, a drive, a mature tree — and it typically shows no sign of trouble until it fails.
Trenchless technology is what makes repairing it something other than an excavation. Mallick uses trenchless methods for sewer line repair and replacement across Gaithersburg and Maryland.
Schedule Trenchless Service
Tell us what you need — we’ll be in touch fast.
Planned From Inspection
The repair method is based on camera findings and explained before work starts.
Install Or Replace
Trenchless across the line's whole life — installation, replacement and repair.
Sewer line failing under a lawn or driveway? Two small holes, not a trench.
Call (301) 804-6759Worth Knowing
How trenchless actually works
Instead of a trench along the length of the pipe, two small access holes are dug at either end of the problem area. The camera goes in first to diagnose the fault and plan the work; then the line is either relined in place or the damaged pipe is replaced through the existing path.
The old approach opened the ground along the whole run. This opens two points and leaves everything between them where it is.
Installation plan
How a trenchless job runs
Trenchless methods can reduce disruption to the lawn, driveway and landscaping by limiting excavation.
Limiting excavation can also reduce the restoration needed for a mature garden or resurfaced driveway.
Surveyed first
Camera survey first, to diagnose the fault and confirm whether the line can take a trenchless method at all.
Method decided upfront
Method chosen and explained before work starts — relining, pipe replacement or, where necessary, an open cut.
Two holes, not a trench
Two access points opened rather than a trench, and the run between them left undisturbed.
Tested and warrantied
Line tested, access points made good, and the work warrantied in writing.
Worth Knowing
Where trenchless works, and where it does not
Trenchless methods now cover the whole life of a sewer line rather than just emergency repair. Trenchless installation puts a new line in quickly; trenchless replacement swaps a failing one; and smaller repairs and maintenance can be done the same way.
It is not universal. A fully collapsed line, some severe misalignments and certain older materials still require an open cut, and we establish which applies from the camera survey before recommending work rather than after starting.
Why Mallick
Maryland Has Trusted Mallick For 30+ Years
WSSC-licensed and insured crews, and warranties in writing: one year on installations, 30 days on repairs. The same standard whether it is a trenchless call at 2pm or a burst line at 2am.
Google reviews
2,979
4.9 average across Gaithersburg, Frederick and Woodbine
Ways To Save
Current Offers On This Job
$32
Off
Any Plumbing Service
$1 off for Each Year We’ve Been in Business!
Limit 1 offer per customer, cannot be combined with other offers, residential use only, must be presented at time of service. Not applicable to dispatch charge. Only applies for work performed. Valid Jan 1 – Dec 31, 2026.
Our maintenance plan
The Service Contract Of Choice
A 12-month annual maintenance contract for your home’s plumbing. The team is small enough to give you personalized attention and large enough to handle whatever comes up.
What stands behind every contract
12-month coverage term
24/7 emergency line
Licensed, trained technicians
Payment plans available
2-Year Extended Warranty for Furnished & Installed Equipment
6-Month Repair Warranty
Levels are matched to your home
The office confirms the current contract levels and details before you commit — call and the team will walk you through the options.
12-month term · Sign up by phone
Customer Field Notes
What Customers Remember After The Call
4.9
2,979 Google reviews across three Maryland locations
Field note 01 · Gaithersburg, MD
“Eric and Nick did a wonderful job.”
Very thorough and provided detailed explanation of what was needed to get our garbage disposal up and running.
Abbas and Koli were great technicians.
Quickly diagnosed the issue, thoroughly explained everything, and gave me a few options to move forward. I've had great experiences working with Mallick, highly recommend.
Chrissie Schenkel · Gaithersburg, MD Abbas came to our house for an emergency repair on a Saturday.
He was courteous and kind, he didn’t rush, and he worked hard to fix our problem and thoroughly investigate. It was hard to find a plumber who could do this on a Saturday at the last minute, and we appreciated Mallick’s and Abbas’s willingness.
Raj Nayak · Gaithersburg, MD Abbas Rahimiari was exceptionally professional, looking at our two plumbing problems, describing the underlying issues, fixing one immediately and explaining options on the other. Courteous, clear and efficient. And knowledgeable.
Gordon Schatz · Gaithersburg, MD I had a wonderful experience with Billy.
He was amazing and he was able to fix my issue with no concerns! 10/10! Thank you Billy.
Mia Barker · Gaithersburg, MD Excellent service and support from William Clem and Malick Plumbing.
Had a pinhole leak in a water service line. Found and fixed the problem … thanks so much.
Daryle Seckar · Gaithersburg, MD Roberto and Adelson were great to work with, efficient, and answered all questions. Top service and repair of water heater!
Jonathan Daly · Gaithersburg, MD
Fred and Luka were great!
They took the time to find the issue as well as helping me get opinions on future concerns as a new homeowner! Real experts and will work with them again!
Elijah Wadsworth · Woodbine, MD Abbas and Koli were fantastic.
They quickly identified and resolved our issue, and did a check to ensure there were no other sleeping issues. They were a pleasure to work with, respectful, and kind.
Kelley Barnaby · Gaithersburg, MD I received great service from both Ikem and CJ today.
They quickly identified the leak and fixed the issue. They also did a great job replacing some valves that needed replacing. They were very experienced and efficient. I have used Mallick several times and have always been pleased with their service.
Melissa Cavuto · Gaithersburg, MD Abbas and Erick were professional, knowledgeable and kind.
They inspected and guided me to make safe choices with my range that had a gas leak.
Andrea Huerta · Gaithersburg, MD Abbas and Bryan installed my new water heater.
There was a leak in my furnace and they fixed it also! The job was perfect. They had to install vents that were well done. They left no trace and the house was completely clean. The new water heater works like a charm. HIGHLY RECOMMEND this team and Mallick.
Janet · Gaithersburg, MD Kyle was so helpful in helping my husband and I fix the water pressure in our house. Kyle was very well versed and experienced, providing great options for future improvements to water filtering. I would highly recommend his services to anybody struggling with plumbing issues.
Azusena Herrera Tapia · Gaithersburg, MD
Every quote above comes directly from Mallick’s current Google Business Profile record.
Read more customer storiesCommon Questions
Trenchless Questions, Answered
Still Stuck?
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(301) 804-6759Someone picks up 24/7 — nights, weekends, and holidays included.
How does trenchless sewer repair work?
Two small access holes are dug at either end of the problem area rather than a trench along the pipe. After a camera survey to diagnose and plan, the line is relined in place or the damaged pipe is replaced along the existing path, leaving the ground between the two points untouched.
What are the advantages over traditional digging?
Trenchless repair can limit excavation and disturbance to lawns, driveways and landscaping.
Can every sewer line be repaired trenchless?
No. Collapsed pipe, severe misalignment and some older materials require an open cut. A camera survey helps determine the appropriate method.
Is trenchless only for repairs, or replacement too?
Both, plus maintenance. Trenchless installation puts in a new line, trenchless replacement swaps out a failing one, and smaller repairs can be handled the same way. It covers the whole life of the line rather than only emergencies.
Where We Work
Trenchless Service Across Maryland
Bethesda Rockville Silver Spring Germantown Potomac Olney Clarksburg Damascus Chevy Chase North Potomac Frederick Woodbine Columbia Ellicott City Aspen Hill Boyds Burtonsville Darnestown North Bethesda Poolesville Takoma Park Wheaton–Glenmont White Oak Green Valley Linganore Washington, DC College Park
Related Services
Drain & Sewer Drain cleaning, sewer line repair, hydro jetting, video inspection and trenchless replacement across Gaithersburg, Rockville and the surrounding Maryland area — diagnosed with a camera before anyone digs.
Sewer Lines Sewer line repair and sewer main replacement in Gaithersburg, across Montgomery County, Maryland and D.C. — inspected on camera first, replaced trenchless where the run allows, and backups answered 24/7.
Video Pipe Inspection Video pipe and sewer scope inspection across Gaithersburg and Maryland — a camera in the line instead of an educated guess, for recurring faults, pre-purchase checks and any repair worth getting right first time.
Water Lines Water line repair, replacement and installation across Montgomery, Carroll, Howard and Frederick Counties and parts of NW Washington DC — trenchless where the ground allows it, and pressure tested on every call so the new line is not worn out by the old fault.