Windows & doors · Seattle, WA
Window Replacement in Seattle, WA
Energy-efficient replacement windows with proper flashing.
Window Replacement in Seattle, WA
Xion Build provides expert window replacement in Seattle. As a trusted Seattle windows & doors contractor, we manage design, materials, permits, and every trade in-house so your project stays on schedule and on budget. Energy-efficient replacement windows with proper flashing.
From Laurelhurst to Queen Anne, Seattle's older homes often need structural care alongside the kitchen, bath, and addition work that modernizes them.
From energy-efficient replacement windows to patio sliders, entry doors, and folding glass walls, we install for a weather-tight, draft-free fit.
What's included in your window replacement
A typical window replacement in Seattle can involve air sealing, weatherproofing, hardware, flashing — and we put the full scope in writing so you know exactly what's covered before work starts.
Windows and doors are where comfort, energy bills, and curb appeal meet — proper flashing and air sealing matter as much as the units themselves.
How much does a window replacement cost in Seattle?
Most window replacement projects in Seattle fall between $9,200 – $46,000, 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
One dedicated point of contact coordinates the entire job, so you're never chasing subcontractors or wondering who's responsible.
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.
Our Seattle windows & doors process
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.
Handoff includes a detailed walkthrough and a written warranty — not a crew that vanishes the moment the dust settles.
Frequently asked questions
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.
Do you offer a window replacement in Seattle, WA?
Yes. Energy-efficient replacement windows with proper flashing. Xion Build is a licensed, bonded, and insured windows & doors contractor serving Seattle and the surrounding WA communities.
What should we decide before starting a window replacement?
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 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 free estimates for window replacement near Seattle?
Absolutely. We provide free, no-obligation in-home estimates throughout Seattle and the greater Eastside, with transparent, itemized pricing.
Related services in Seattle
Door hardware & weatherproofing
Hardware, weatherstripping, and thresholds for tight seals.
View detailsEntry door installation
Statement entry doors with proper sealing and hardware.
View detailsWindow & door trim packages
Interior casing and exterior trim detailing.
View detailsPatio & sliding doors
Sliding and multi-slide patio doors for indoor-outdoor living.
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