How much does it cost to replace water pipes in a house?

Replacing water pipes in a house is priced case by case after an on-site evaluation, not a flat rate. Most homeowners choose between a targeted repair and a full repipe based on pipe age, leak history, and water quality. Once walls open, techs sometimes uncover hidden branch lines or mixed materials that change the scope. Our team handles projects like this in the Woodinville area regularly. After we assess, we provide fixed, up-front pricing with no hidden fees.

Key factors that drive cost:

• Pipe material selected (e.g., PEX vs copper)
• Home size and number of fixtures
• Access conditions (crawlspace, attic, slab, tight chases)
• Wall and ceiling restoration needs after plumbing work

For an accurate price, have a licensed plumber inspect and map your system before work begins. <br/> Updated: 2026-04-04 <br/> Need help in Woodinville, WA? Call (425) 616-3318 or book online.