2491 W Iliff Ave, Denver, CO 80219
00Underground Services

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

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Sewer Lines
Water Lines
Fire Lines
Storm Drains
Septic Systems

Independent, family-owned. Not Denver Water or a city agency.

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.

Family Owned and Operated, Not the City Utility
Licensed and Insured
Second-Generation Specialists
Fast Response Across the Denver Metro
01What You Are Seeing

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.

(720) 935-6221

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
Denver Sewer and Water crew replacing a residential sewer lateral in a shored backyard trench
Sewer lateral replacement in a Denver backyard, trench shored and pipe staged.
02How We Diagnose It

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.

Explore Sewer Scope & Video Inspection

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
03Our Process

How Our Sewer Line Process Works

  1. 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.

  2. 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.

  3. Step 03

    Compare the Options

    We explain cleaning, spot repair, lining, trenchless replacement, and excavation side by side so the decision is yours.

  4. 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.

Sewer camera monitor showing root intrusion inside a clay pipe during an inspection

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

04Proof of Work

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.
Mark Peterson, Denver Homeowner
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.
Sarah Mitchell, Westminster Resident
Their inspection process helped us understand the real problem before committing to a repair. Honest recommendations and great communication throughout the project.
Daniel Carter, Property Owner
05What It Costs

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.

06Questions

Frequently Asked Questions

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.