LocalProjectBudget

Install or Replace a Sewer Main Cost in 2026

Most Install or Replace a Sewer Main projects in the United States cost between $1,100 and $23,000. The typical price is $5,500.

Sewer main replacement involves excavation, permits and often street restoration.

What drives the price

  • Accessible fixture swap versus opening walls or slab
  • Pipe material — copper, PEX or cast iron replacement
  • Emergency versus scheduled work
  • Permit and inspection requirements

Usually included

  • Licensed plumber labour
  • Pipe, fittings and standard fixtures

Usually extra

  • Drywall and finish repair
  • Fixtures you supply
  • Municipal tap or sewer connection fees

Install or Replace a Sewer Main costs in major metros

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