Decks & outdoor living · Mercer Island, WA
Composite Deck Build in Mercer Island, WA
Low-maintenance composite decking with hidden fasteners.
Composite Deck Build in Mercer Island, WA
When Mercer Island homeowners search for composite deck build or a dependable decks & outdoor living contractor near them, they want craftsmanship that lasts and a crew that communicates. That's exactly what we do. Low-maintenance composite decking with hidden fasteners.
Mercer Island projects often involve sloped lots, shoreline rules, and mid-century homes that benefit from thoughtful structural and design planning.
From low-maintenance composite to cedar and Ipe hardwood, plus cable railings, pergolas, and covered patios, we build for how the Northwest weathers wood and detail the finishes for looks.
What's included in your composite deck build
A typical composite deck build in Mercer Island can involve framing, decking boards, lighting, railings — and we put the full scope in writing so you know exactly what's covered before work starts.
Decks are structural — footings, ledger flashing, and railing connections are what keep them safe and standing through wet PNW winters.
How much does a composite deck build cost in Mercer Island?
Most composite deck build projects in Mercer Island fall between $15,500 – $58,500, 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 decks & outdoor living 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.
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 Mercer Island decks & outdoor living process
Handoff includes a detailed walkthrough and a written warranty — not a crew that vanishes the moment the dust settles.
We pull the permits, schedule every trade in the right order, and protect your home, landscaping, and daily routine throughout the build.
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
What should we decide before starting a composite deck build?
Your budget range, must-haves, timeline, and any finishes you already love. For decks & outdoor living work we also review access, existing conditions, and whether permits are required in Mercer Island.
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.
Do you offer free estimates for composite deck build near Mercer Island?
Absolutely. We provide free, no-obligation in-home estimates throughout Mercer Island and the greater Eastside, with transparent, itemized pricing.
How much does a composite deck build cost in Mercer Island?
Most composite deck build projects in Mercer Island run $15,500 – $58,500, 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 a composite deck build in Mercer Island, WA?
Yes. Low-maintenance composite decking with hidden fasteners. Xion Build is a licensed, bonded, and insured decks & outdoor living contractor serving Mercer Island and the surrounding WA communities.
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