Windows & doors · Mercer Island, WA
Skylight & Roof Window in Mercer Island, WA
Daylighting with leak-proof skylights.
Skylight & Roof Window in Mercer Island, WA
Looking for skylight & roof window in Mercer Island? Xion Build is a licensed, bonded, and insured windows & doors contractor delivering standout results for Mercer Island homeowners — start to finish, under one roof. Daylighting with leak-proof skylights.
Mercer Island projects often involve sloped lots, shoreline rules, and mid-century homes that benefit from thoughtful structural and design planning.
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 skylight & roof window
A typical skylight & roof window in Mercer Island can involve weatherproofing, trim, flashing, hardware — 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 skylight & roof window cost in Mercer Island?
Most skylight & roof window projects in Mercer Island fall between $1,900 – $7,700, 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
Transparent, written estimates with no hidden fees — you know what you're paying for before work begins.
Local crews who know Eastside permitting, inspections, and the way Pacific Northwest weather tests a home.
Meticulous job sites and clear daily communication, with respect for your home, your time, and your neighbors.
Our Mercer Island windows & doors 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
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.
How long does a skylight & roof window 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 offer free estimates for skylight & roof window 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 offer a skylight & roof window in Mercer Island, WA?
Yes. Daylighting with leak-proof skylights. Xion Build is a licensed, bonded, and insured windows & doors contractor serving Mercer Island and the surrounding WA communities.
What should we decide before starting a skylight & roof window?
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.
Related services in Mercer Island
Patio & sliding doors
Sliding and multi-slide patio doors for indoor-outdoor living.
View detailsStorm & screen doors
Storm doors, screens, and retractable screen systems.
View detailsWindow replacement
Energy-efficient replacement windows with proper flashing.
View detailsNew construction windows
Windows framed and flashed into additions and new openings.
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