Windows & doors · Mercer Island, WA
Bi-Fold & Accordion Doors in Mercer Island, WA
Folding glass walls that open rooms to the outdoors.
Bi-Fold & Accordion Doors in Mercer Island, WA
When Mercer Island homeowners search for bi-fold & accordion doors or a dependable windows & doors contractor near them, they want craftsmanship that lasts and a crew that communicates. That's exactly what we do. Folding glass walls that open rooms to the outdoors.
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 bi-fold & accordion doors
A typical bi-fold & accordion doors in Mercer Island can involve weatherproofing, flashing, hardware, air sealing — 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 bi-fold & accordion doors cost in Mercer Island?
Most bi-fold & accordion doors projects in Mercer Island fall between $7,700 – $25,500, 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.
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
How much does a bi-fold & accordion doors cost in Mercer Island?
Most bi-fold & accordion doors projects in Mercer Island run $7,700 – $25,500, 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 offer free estimates for bi-fold & accordion doors near Mercer Island?
Absolutely. We provide free, no-obligation in-home estimates throughout Mercer Island and the greater Eastside, with transparent, itemized pricing.
What should we decide before starting a bi-fold & accordion doors?
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.
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 bi-fold & accordion doors in Mercer Island, WA?
Yes. Folding glass walls that open rooms to the outdoors. Xion Build is a licensed, bonded, and insured windows & doors contractor serving Mercer Island and the surrounding WA communities.
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