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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