Sewer Line Replacement Cost St. Louis MO — 2026 Pricing Guide

Sewer line repair and replacement costs in St. Louis vary widely depending on the type of problem, the pipe material, the depth of the line, and whether trenchless methods can be used. Here’s what Metro St. Louis homeowners typically pay.

Sewer Repair Costs in St. Louis — By Service Type

Service	Typical Cost Range
Video camera sewer inspection	$150 – $350
Hydro jetting (sewer cleaning)	$300 – $600
Spot repair — trenchless lining (per linear foot)	$80 – $200/ft
Full pipe lining (CIPP) — avg. 50ft lateral	$4,000 – $8,000
Pipe bursting (full replacement, trenchless)	$4,000 – $10,000
Traditional excavation replacement	$6,000 – $20,000+
Root removal (hydro jet + cutting)	$350 – $700

Why Sewer Repair Costs Vary So Much in St. Louis

Pipe material: Clay tile and cast iron pipes that are common in older St. Louis homes can often be lined with CIPP (cured-in-place pipe), which is significantly less expensive than full excavation. PVC pipes that have separated at joints may only need spot repairs.

Depth of the pipe: Sewer lines in St. Louis typically run 4–10 feet deep. Deeper pipes cost more to access by traditional excavation — another reason trenchless methods are often cost-effective here.

Extent of damage: Root intrusion limited to one section is a far smaller job than multiple collapse points throughout the line. A camera inspection tells you exactly what you’re dealing with before you commit to any repair method.

Trenchless vs. traditional: Trenchless pipe lining and pipe bursting typically cost 20–40% less than traditional open-trench excavation once you factor in landscape restoration, concrete cutting, and backfill. For St. Louis homeowners with finished landscaping or driveways over the line, the savings are even more significant.

Is Sewer Repair Covered by Insurance in Missouri?

Standard homeowners policies typically do not cover sewer line failure unless it resulted from a sudden, covered peril. Many insurers offer optional “service line coverage” as an add-on — often $10–$15/month — that specifically covers sewer lateral failure. It’s worth checking your policy for this endorsement if you have an older home.

Free Camera Inspection — Know Before You Spend

Don’t commit to a repair without seeing what’s actually in the pipe. Gateway Sewer Pros provides video camera inspections throughout St. Louis City, St. Louis County, and St. Charles County. We show you the footage, explain what we see, and give you written pricing for every option before any work begins.

Call (314) 888-5374 for a same-day assessment.

We provide this service across the metro — see our Chesterfield and Ballwin pages, or all services.