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Sewer Line Replacement

When repairs keep failing, replace the line.

Full replacement makes sense when a lateral has failed in several places, has collapsed, or has a belly that holds waste. It is a large decision, so it should be based on recorded camera evidence and a clear scope you can compare between contractors.

Signs

When this applies to you

  • Camera footage showing collapse, heavy offsets or repeated cracking
  • Backups that return quickly after cleaning
  • Sinkholes or depressions along the sewer path
  • Very old pipe material near the end of its service life

First steps

What to do before anyone arrives

  1. 01Get the camera recording and a written scope.
  2. 02Ask where the line will be excavated and what will be restored.
  3. 03Ask who pulls permits and schedules inspections.
  4. 04Compare at least two scopes, not just two prices.

Methods

How the work is typically done

Open-cut

A trench is dug along the line and new pipe is laid at correct grade. Best for bellies and collapses.

Trenchless

Pipe bursting or lining may replace the line with small pits when the path qualifies.

Hybrid

Excavate the worst section and line the rest — common when one area has failed.

Cost depends on scope

What moves the price

  • Length and depth of the line
  • What sits on top: driveway, porch, trees, sidewalk
  • Open-cut vs. trenchless method
  • Connection work at the city main or right-of-way
  • Permits, inspections and surface restoration

This site does not publish fixed prices. Any estimate should be based on an inspection of your line and confirmed in writing by the contractor.

Replacement is a grading and access project

A new pipe needs appropriate slope, bedding, support and connections, not simply a different material. Ask the contractor to identify the measured defect, line depth and route to the public connection. A sag or repeated structural failures can justify replacement, but one obstructed joint does not automatically establish that the whole lateral must go.

Open excavation allows direct correction of the affected section, while suitable bursting may reduce surface disturbance. Both require planning for utilities, access and the approved connection. Clarify whether the work is a short replacement, the entire private run or a different scope at the main; those proposals are not directly comparable.

Include restoration and the final inspection

Ask who handles spoil removal, cleanout installation, backfill and compaction. Sidewalks, drives, basement slabs and landscaping should have explicit restoration terms. A deep short repair can exceed a longer shallow repair because access and surface work dominate the price.

Confirm local plumbing and any right-of-way approvals before starting. Keep the permit and inspection records, final camera video and written warranty. Separate pipe repair from sewage cleanup and insurance claims. A replacement corrects the contracted defects; it does not by itself eliminate public-system surcharge, groundwater or every possible future drain problem.

Budget planning

Published planning ranges

These are published planning ranges, not Michigan Sewer Pros quotes. Actual local quotes vary with line length, depth, access, permits and restoration.

Basic sewer snakingAngi's Detroit method-specific planning range. Complex roots, access or structural repairs cost more.
$95–$240
Hydro jettingAngi's Detroit cleaning-method range; inspection and pipe repair may be additional.
$340–$580
Camera inspectionAngi's Detroit inspection reference; route length, access and scope affect price.
$195–$1,275+
Line replacementHomeGuide national planning range for about 40 linear feet, not a local fixed quote. Longer, deeper or obstructed projects can exceed this.
$2,000–$10,000
Cured-in-place liningHomeGuide national range. Suitability, preparation, access and minimum job charges affect total cost.
$90–$250 / foot
Pipe burstingHomeGuide national range; utility conflicts, pits, connections and restoration must be scoped.
$60–$200 / foot

Sources: Angi: Detroit sewer-clog and inspection cost data (updated August 2026) · HomeGuide: national sewer repair and replacement cost guide

Good to know: If only one joint or a short section is bad, a spot repair may be enough. Ask for the evidence that replacement is necessary.

Sewer Line Replacement: common questions

Who owns the sewer line?

In many Metro Detroit communities the homeowner is responsible for the lateral from the house toward the main, but the exact boundary varies by city. Check with your municipality before work starts.

Do I need a permit?

Sewer replacement generally requires a permit and inspection. Your contractor should confirm the specific requirements with your city.

How long does replacement take?

It depends on length, depth, method and restoration. Ask for a schedule that includes inspection and restoration, not just digging days.

Request help

Request help with sewer line replacement

Two minutes, no sales script. Describe the problem and you get a reference number for your request. Prefer to talk it through?

Call 248-331-7754
  • No obligation to book anything
  • Ask for camera footage before any big repair
  • Pricing depends on scope and is confirmed by the contractor

Request from: Sewer Line Replacement

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