Sewer Line Repair, Replacement & Trenchless Solutions in Denver
When your sewer line starts backing up, leaking, slowing down, or failing underground, you need more than a general plumbing guess. Denver Sewer & Water specializes in sewer line repair, trenchless replacement, inspections, cleaning, locating, and excavation across the Denver metro.
- 01Second-generation company focused on underground sewer and water line work
- 02We diagnose the problem first, then explain the right repair path
- 03Trenchless if possible. Excavation if necessary
- 04Residential, commercial, and municipal sewer work
- 05Serving Denver and surrounding metro communities
Get Your Free Quote!
Denver Sewer and Water is a private, family owned and operated company. We are not Denver Water or the City and County of Denver. To pay a municipal water bill or reach the public utility, visit denverwater.org, the municipal water utility.
Sewer Backup or Urgent Line Issue? Do This First.
Sewer problems often look similar on the surface, but the actual cause can be very different. A recurring backup could come from roots, a sagging line, a cracked section, grease buildup, old pipe deterioration, or a larger structural failure.
If wastewater is actively backing up, stop using the affected fixtures and get the line evaluated before more waste moves into a system that is already struggling.
Warning signs
- 01Backups that return after every snaking
- 02Several fixtures draining slowly at the same time
- 03Sewer odor inside the building or over the line path
- 04Wet, sunken, or unusually green ground above the line
- 05Gurgling toilets when a washing machine or tub drains

Sewer Line Service Built Around Diagnosis, Not Guessing
Our first job is to understand what is really happening underground. Once we inspect the line and identify the likely cause, we can recommend the most practical path forward, whether that means cleaning, targeted repair, trenchless replacement, pipe lining, or excavation.
That approach protects property owners from paying for a bigger scope than the line actually needs, and from paying twice when a quick fix does not hold.
Common causes
- 01Camera inspection to see the real condition of the pipe
- 02Line locating to establish depth, path, and failure point
- 03A written explanation of repair, lining, and replacement options
How Our Sewer Line Process Works
- Step 01
Talk Through the Symptoms
We ask what the property is experiencing, how long it has been happening, and whether anyone has already worked on the line.
- Step 02
Inspect the Line
Camera inspection and locating establish the condition of the pipe, the failure point, and the depth and path of the run.
- Step 03
Compare the Options
We explain cleaning, spot repair, lining, trenchless replacement, and excavation side by side so the decision is yours.
- Step 04
Perform the Work
The crew completes the agreed scope, protects the site, and restores the work area when the line is back in service.

Camera first. We look at the pipe before anyone recommends a repair.
What Denver customers say
4.8 average from 18 Google reviews
Denver Water And Sewer did an excellent job replacing my sewer lines. Trevor and his crew are extremely competent, honest, professional and prompt.
David Colson
They cleared our drain where Roto Rooter couldn't and quoted us to replace the line under our concrete.
Jason Gold
Very direct and to the point. Extremely efficient and professional.
Sam Hayden
Trusted for Underground Line Work in the Denver Metro
“Denver Sewer & Water quickly diagnosed the issue with our sewer line and explained the repair options clearly. The team worked efficiently and kept everything clean during the process.”
“We had a leaking water line in our yard and their team handled it professionally from start to finish. The repair was completed faster than expected and with minimal disruption.”
“Their inspection process helped us understand the real problem before committing to a repair. Honest recommendations and great communication throughout the project.”
Do You Need Sewer Line Repair or Full Replacement?
Cost on a sewer project is driven by depth, length, pipe material, access, surface restoration, and whether the work can be done trenchlessly. Nobody can give you an honest number for a line they have not seen.
We quote after the inspection, not before it, and we tell you when a smaller repair is the better value than a full replacement.
Frequently Asked Questions
Sewer Services We Evaluate and Perform
- 01Sewer Line RepairTargeted repair for damaged, leaking, cracked, offset, or failing pipe sections.
- 02Sewer Line Replacement and InstallationFull replacement or new line installation when the line is too damaged or too old for a smaller repair.
- 03Trenchless Sewer RepairLess invasive repair and replacement when line condition, access, and setup make trenchless the right fit.
- 04Sewer Scope and Video InspectionCamera inspection to identify the actual condition of the line before any decision is made.
- 05Sewer Cleaning and Hydro JettingHigh-pressure cleaning for grease, scale, sludge, and root buildup inside the line.
- 06Sewer Pipe LiningCured-in-place lining that rebuilds a failing pipe from the inside without a full trench.
- 07Sewer CleanoutsCleanout access so the line can be cleared, inspected, and maintained without unnecessary disruption.
- 08Sewer ExcavationOpen excavation for lines that cannot be repaired effectively by any less invasive method.
Our Family of Companies
For related services, see our sister company partners in the same family of companies:
From Our Guides
Guides on Sewer Line Repair and Replacement
- 01How Much Does Sewer Line Repair Cost in Denver?Sewer line repair cost in Denver depends on what kind of repair the line actually needs.
- 02What Makes Sewer Line Replacement Expensive & How Much Does it Cost In Denver?Sewer line replacement in Denver is expensive because you are not just paying for pipe.
- 03How to Know When You May Need Sewer Line Replacement in DenverSewer line replacement usually becomes a real consideration when the pattern of problems points to a failing main line instead of a one-time clog.
- 04Who Is Responsible for Sewer Line Repair From the House to the Street in Denver?In Denver, the most important thing to understand is that the city is responsible for the main public sewer, while the property owner is responsible for the private sewer service line, also called the lateral.
- 05Tree Roots in a Sewer Line: What They Look Like, What They Cost, and When Repair Is NeededTree roots in a sewer line usually start as a small entry through an existing crack, loose joint, or weak point, then turn into a bigger blockage and pipe-damage problem over time.
Need Help With a Sewer Line Problem?
Describe how the line is behaving and we will tell you what fixing it takes. Inspection first, clear options second, work third.

