Windows & doors · Mercer Island, WA
New Construction Windows in Mercer Island, WA
Windows framed and flashed into additions and new openings.
New Construction Windows in Mercer Island, WA
Xion Build provides expert new construction windows in Mercer Island. As a trusted Mercer Island windows & doors contractor, we manage design, materials, permits, and every trade in-house so your project stays on schedule and on budget. Windows framed and flashed into additions and new openings.
Mercer Island projects often involve sloped lots, shoreline rules, and mid-century homes that benefit from thoughtful structural and design planning.
Windows and doors are where comfort, energy bills, and curb appeal meet — proper flashing and air sealing matter as much as the units themselves.
What's included in your new construction windows
A typical new construction windows in Mercer Island can involve flashing, weatherproofing, air sealing, trim — and we put the full scope in writing so you know exactly what's covered before work starts.
From energy-efficient replacement windows to patio sliders, entry doors, and folding glass walls, we install for a weather-tight, draft-free fit.
How much does a new construction windows cost in Mercer Island?
Most new construction windows projects in Mercer Island fall between $8,100 – $27,000, 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 windows & doors project — so there are no surprises later.
Why Mercer Island homeowners choose Xion Build
Licensed, bonded, and insured in Washington — every project is built to meet or exceed code and backed by a written warranty.
Local crews who know Eastside permitting, inspections, and the way Pacific Northwest weather tests a home.
One dedicated point of contact coordinates the entire job, so you're never chasing subcontractors or wondering who's responsible.
Our Mercer Island windows & doors 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.
Each phase is inspected and documented, and we keep you updated so you always know what's happening and what's next.
Frequently asked questions
Do you offer free estimates for new construction windows near Mercer Island?
Absolutely. We provide free, no-obligation in-home estimates throughout Mercer Island and the greater Eastside, with transparent, itemized pricing.
How long does a new construction windows take?
Timelines depend on scope and permitting. Once the plan is confirmed we give you a realistic schedule and keep you updated as the windows & doors work progresses.
What should we decide before starting a new construction windows?
Your budget range, must-haves, timeline, and any finishes you already love. For windows & doors work we also review access, existing conditions, and whether permits are required in Mercer Island.
How much does a new construction windows cost in Mercer Island?
Most new construction windows projects in Mercer Island run $8,100 – $27,000, 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.
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.
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