Windows & doors · Seattle, WA
New Construction Windows in Seattle, WA
Windows framed and flashed into additions and new openings.
New Construction Windows in Seattle, WA
Looking for new construction windows in Seattle? Xion Build is a licensed, bonded, and insured windows & doors contractor delivering standout results for Seattle homeowners — start to finish, under one roof. Windows framed and flashed into additions and new openings.
From Laurelhurst to Queen Anne, Seattle's older homes often need structural care alongside the kitchen, bath, and addition work that modernizes them.
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 Seattle can involve trim, air sealing, weatherproofing, flashing — 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 Seattle?
Most new construction windows projects in Seattle fall between $7,200 – $24,000, 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 Seattle homeowners choose Xion Build
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.
Local crews who know Eastside permitting, inspections, and the way Pacific Northwest weather tests a home.
Our Seattle 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.
We pull the permits, schedule every trade in the right order, and protect your home, landscaping, and daily routine throughout the build.
Design and material selections come next, so finishes, fixtures, and pricing are locked in before demolition — no surprises mid-project.
Frequently asked questions
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 Seattle.
Do you offer a new construction windows in Seattle, WA?
Yes. Windows framed and flashed into additions and new openings. Xion Build is a licensed, bonded, and insured windows & doors contractor serving Seattle and the surrounding WA communities.
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.
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.
Are you a licensed windows & doors 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 Seattle
Window & door trim packages
Interior casing and exterior trim detailing.
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Interior and exterior French doors.
View detailsSkylight & roof window
Daylighting with leak-proof skylights.
View detailsPatio & sliding doors
Sliding and multi-slide patio doors for indoor-outdoor living.
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