How much does it cost to repipe a house?

Whole-house repipe runs $4,500 for a small 1,200 sqft home with PEX, $9,500 for a typical 1,800–2,400 sqft repipe in PEX or CPVC, and $18,000+ for copper repipe or homes with finished walls requiring drywall repair.

Quick price points (2026)

TierCostUnit
Low$4,500whole house
Typical$9,500whole house
High$18,000whole house

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