Plumbing · Mercer Island, WA
Whole-Home Re-Piping in Mercer Island, WA
Replace failing galvanized or polybutylene with PEX or copper.
Whole-Home Re-Piping in Mercer Island, WA
Xion Build provides expert whole-home re-piping in Mercer Island. As a trusted Mercer Island plumbing contractor, we manage design, materials, permits, and every trade in-house so your project stays on schedule and on budget. Replace failing galvanized or polybutylene with PEX or copper.
Mercer Island projects often involve sloped lots, shoreline rules, and mid-century homes that benefit from thoughtful structural and design planning.
Good plumbing is invisible — proper slope, venting, and access prevent the leaks, clogs, and water damage that show up years later.
What's included in your whole-home re-piping
A typical whole-home re-piping in Mercer Island can involve supply lines, drain and vent, shutoffs, water heater — and we put the full scope in writing so you know exactly what's covered before work starts.
From re-piping and tankless water heaters to fixtures, drain lines, and radiant heat, we coordinate rough-in with tile and cabinetry so everything lands where the design intends.
How much does a whole-home re-piping cost in Mercer Island?
Most whole-home re-piping projects in Mercer Island fall between $10,500 – $32,500, depending on the size of the space, the finishes you choose, and the condition of what's already there.
Because every home is different, we don't quote final numbers sight unseen. After a free in-home consultation you get a detailed, itemized estimate tied to your actual plumbing project — so there are no surprises later.
Why Mercer Island homeowners choose Xion Build
Meticulous job sites and clear daily communication, with respect for your home, your time, and your neighbors.
Transparent, written estimates with no hidden fees — you know what you're paying for before work begins.
Honest guidance on where to invest and where to save, so your budget goes toward what adds real, lasting value.
Our Mercer Island plumbing process
Design and material selections come next, so finishes, fixtures, and pricing are locked in before demolition — no surprises mid-project.
Handoff includes a detailed walkthrough and a written warranty — not a crew that vanishes the moment the dust settles.
It starts with a free, no-obligation consultation: what you want, the constraints, and a realistic budget range before you commit to anything.
Frequently asked questions
How much does a whole-home re-piping cost in Mercer Island?
Most whole-home re-piping projects in Mercer Island run $10,500 – $32,500, depending on scope, finishes, and existing conditions. After a free in-home consultation we provide a detailed written estimate so your Mercer Island price reflects the actual project — not a guess.
Are you a licensed plumbing contractor?
Yes — Xion Build is licensed, bonded, and insured in WA. Every project is built to meet or exceed code and is backed by a written warranty.
Do you offer a whole-home re-piping in Mercer Island, WA?
Yes. Replace failing galvanized or polybutylene with PEX or copper. Xion Build is a licensed, bonded, and insured plumbing contractor serving Mercer Island and the surrounding WA communities.
Do you handle permits and inspections?
Yes. We manage permit applications, schedule inspections, and coordinate any required engineering so the work passes cleanly in Mercer Island.
What should we decide before starting a whole-home re-piping?
Your budget range, must-haves, timeline, and any finishes you already love. For plumbing work we also review access, existing conditions, and whether permits are required in Mercer Island.
Related services in Mercer Island
Leak detection & repair
Locate and repair hidden supply and drain leaks.
View detailsWater heater replacement
Tank and tankless water heaters sized for the home.
View detailsBackflow & code compliance
Backflow prevention and bringing plumbing to code.
View detailsSump pump & drainage
Sump pumps and basement/crawlspace drainage.
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