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Sewer Line Replacement Cost (2026)

Main lateral, dig vs trenchless. 2026 national pricing with the drivers that move you between the low and high end.

Low
$5,500
Median
$9,500
High
$22,000

What moves the price

  • •Length and depth of run
  • •Trenchless (pipe burst / lining) vs open trench
  • •Root invasion severity
  • •Driveway / hardscape repair
  • •Permit and city inspection

Signs it's time

  • •Repeated drain backups across fixtures
  • •Orangeburg or cast iron at 50+ years
  • •Bellies or major root intrusion on scope
  • •Sinkholes in the yard
  • •Sewer odor inside the home

DIY vs pro

Always pro — permit, locate, and city tie-in required.

Forecast your specific home

When will yours need replacing?

National medians are a planning floor. HomeScore tells you, for your specific home, the year this system likely needs replacement and how much to put into the reserve fund every month.

More replacement costs