House Repiping Cost Calculator [2026] Estimate 2026 costs for full-home water line replacement (PEX vs. Copper). Home Size (Square Feet) Number of Bathrooms Piping Material PEX-a (Flexible / Most Common)CPVC (Heat Resistant Plastic)Copper L-Type (Premium / Rigid) Home Foundation / Access Crawlspace / Attic (Easier Access)Concrete Slab (Requires Cutting/Trenching)Multi-Story (Complex Vertical Runs) Include Drywall Repair … Continue reading House Repiping Cost Calculator