Plumbing · Mercer Island, WA
Sump Pump & Drainage in Mercer Island, WA
Sump pumps and basement/crawlspace drainage.
Sump Pump & Drainage in Mercer Island, WA
Looking for sump pump & drainage in Mercer Island? Xion Build is a licensed, bonded, and insured plumbing contractor delivering standout results for Mercer Island homeowners — start to finish, under one roof. Sump pumps and basement/crawlspace drainage.
Mercer Island projects often involve sloped lots, shoreline rules, and mid-century homes that benefit from thoughtful structural and design planning.
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.
What's included in your sump pump & drainage
A typical sump pump & drainage in Mercer Island can involve shutoffs, drain and vent, water heater, fixtures — and we put the full scope in writing so you know exactly what's covered before work starts.
Good plumbing is invisible — proper slope, venting, and access prevent the leaks, clogs, and water damage that show up years later.
How much does a sump pump & drainage cost in Mercer Island?
Most sump pump & drainage projects in Mercer Island fall between $3,300 – $12,000, 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
Transparent, written estimates with no hidden fees — you know what you're paying for before work begins.
Meticulous job sites and clear daily communication, with respect for your home, your time, and your neighbors.
Local crews who know Eastside permitting, inspections, and the way Pacific Northwest weather tests a home.
Our Mercer Island plumbing process
It starts with a free, no-obligation consultation: what you want, the constraints, and a realistic budget range before you commit to anything.
Design and material selections come next, so finishes, fixtures, and pricing are locked in before demolition — no surprises mid-project.
We pull the permits, schedule every trade in the right order, and protect your home, landscaping, and daily routine throughout the build.
Frequently asked questions
What should we decide before starting a sump pump & drainage?
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.
Do you offer free estimates for sump pump & drainage near Mercer Island?
Absolutely. We provide free, no-obligation in-home estimates throughout Mercer Island and the greater Eastside, with transparent, itemized pricing.
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.
Do you offer a sump pump & drainage in Mercer Island, WA?
Yes. Sump pumps and basement/crawlspace drainage. Xion Build is a licensed, bonded, and insured plumbing contractor serving Mercer Island and the surrounding WA communities.
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.
Related services in Mercer Island
Water heater replacement
Tank and tankless water heaters sized for the home.
View detailsWhole-home re-piping
Replace failing galvanized or polybutylene with PEX or copper.
View detailsFixture & faucet installation
Faucets, toilets, and fixtures installed and sealed.
View detailsDrain & sewer line work
Repair and replace failing drain and sewer lines.
View detailsWe also serve these areas