Plumbing · Seattle, WA
Tankless Water Heater Install in Seattle, WA
On-demand hot water with proper gas and venting.
Tankless Water Heater Install in Seattle, WA
Looking for tankless water heater install in Seattle? Xion Build is a licensed, bonded, and insured plumbing contractor delivering standout results for Seattle homeowners — start to finish, under one roof. On-demand hot water with proper gas and venting.
From Laurelhurst to Queen Anne, Seattle's older homes often need structural care alongside the kitchen, bath, and addition work that modernizes them.
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 tankless water heater install
A typical tankless water heater install in Seattle can involve fixtures, water heater, drain and vent, shutoffs — 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 tankless water heater install cost in Seattle?
Most tankless water heater install projects in Seattle fall between $4,000 – $9,200, 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 Seattle 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.
Licensed, bonded, and insured in Washington — every project is built to meet or exceed code and backed by a written warranty.
Our Seattle plumbing process
Each phase is inspected and documented, and we keep you updated so you always know what's happening and what's next.
It starts with a free, no-obligation consultation: what you want, the constraints, and a realistic budget range before you commit to anything.
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 tankless water heater install?
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 Seattle.
Do you offer free estimates for tankless water heater install near Seattle?
Absolutely. We provide free, no-obligation in-home estimates throughout Seattle and the greater Eastside, with transparent, itemized pricing.
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 handle permits and inspections?
Yes. We manage permit applications, schedule inspections, and coordinate any required engineering so the work passes cleanly in Seattle.
Do you offer a tankless water heater install in Seattle, WA?
Yes. On-demand hot water with proper gas and venting. Xion Build is a licensed, bonded, and insured plumbing contractor serving Seattle and the surrounding WA communities.
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