Sewer Line Replacement St. Louis MO — Trenchless & Traditional
When your sewer line fails, you need straight answers fast: what’s wrong, what it costs, and whether trenchless repair can save your yard. Gateway Sewer Pros starts every job with a camera inspection and a written quote — no guesswork, no surprise change orders.
Sewer Services in St. Louis
Trenchless Sewer Repair
Pipe bursting and lining that replace failed lines without digging up your yard, driveway, or mature trees.
Sewer Line Repair
Spot repairs for cracks, offsets, and bellies — when the whole line doesn’t need replacing, we say so.
Camera Inspection
HD sewer camera locates the exact problem and depth before anyone quotes you a full replacement.
Root Intrusion Repair
Root cutting, hydro jetting, and permanent barrier repairs for St. Louis’ tree-lined streets.
All Sewer Services
Full service list — replacement, repair, maintenance, and emergency response across the metro.
Replacement Cost Guide
What sewer line replacement actually costs in St. Louis, and what drives the price up or down.
Why St. Louis Sewer Lines Fail
St. Louis has some of the oldest residential sewer infrastructure in the Midwest. Homes built before the 1970s typically connect through clay tile pipe — durable, but jointed every few feet, and every joint is an invitation for the root systems of the mature oaks and sycamores this region is known for. Neighborhoods built in the 1940s–60s may also have Orangeburg pipe, a wood-fiber product that deforms and collapses as it ages. Add the region’s expansive clay soil, which shifts with wet springs and dry summers, and lines crack, sag into bellies, and separate at joints. That’s why we camera every line before quoting: the fix for a root-clogged joint is very different — and far cheaper — than the fix for a collapsed section.
Warning Signs of Sewer Trouble
- Multiple slow or gurgling drains at once
- Sewage odor in the basement or yard
- Unusually green or soggy patches of lawn
- Backups when you run laundry or flush
- Foundation-level dampness near floor drains
- Repeated clogs in the same line every few months
Why Choose Gateway Sewer Pros?
Service Areas
Gateway Sewer Pros serves the city and the wider metro on both sides of the Missouri River:
Frequently Asked Questions
How much does sewer line replacement cost in St. Louis?
It depends on depth, length, access, and whether trenchless methods are viable — which is exactly what the camera inspection determines. You get a written quote before any work begins, and our cost guide explains the factors that drive price.
Is trenchless repair possible for my line?
Often, yes. Pipe bursting and cured-in-place lining work for many failed clay and Orangeburg lines, avoiding excavation of yards, driveways, and mature trees. Severely collapsed sections may still require targeted digging — the camera tells us which.
Do you handle the permits and MSD requirements?
Yes. We handle permitting and coordinate inspections required for lateral work in the St. Louis metro, and our documentation supports any insurance or home-sale requirements.
Get a Straight Answer About Your Sewer Line
Camera inspection, honest diagnosis, written quote — before you commit to anything.