ADUs & conversions · Mercer Island, WA

Garage To Living Space in Mercer Island, WA

Convert a garage into a gym, office, or studio.

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Garage To Living Space in Mercer Island, WA

Xion Build provides expert garage to living space in Mercer Island. As a trusted Mercer Island adus & conversions contractor, we manage design, materials, permits, and every trade in-house so your project stays on schedule and on budget. Convert a garage into a gym, office, or studio.

Mercer Island projects often involve sloped lots, shoreline rules, and mid-century homes that benefit from thoughtful structural and design planning.

We write scope in plain terms: what we'll do, the materials, the sequence, and how any surprises are handled if something is uncovered.

What's included in your garage to living space

A typical garage to living space in Mercer Island can involve framing, the kitchen and bath, utilities, finishes — and we put the full scope in writing so you know exactly what's covered before work starts.

You get a single point of contact, licensed and insured trades, and clear communication from the first sketch to the final walkthrough.

How much does a garage to living space cost in Mercer Island?

Most garage to living space projects in Mercer Island fall between $101,000 – $227,000, 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 adus & conversions 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.

Honest guidance on where to invest and where to save, so your budget goes toward what adds real, lasting value.

Our Mercer Island adus & conversions process

Handoff includes a detailed walkthrough and a written warranty — not a crew that vanishes the moment the dust settles.

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.

Frequently asked questions

Are you a licensed adus & conversions 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 garage to living space take?

Timelines depend on scope and permitting. Once the plan is confirmed we give you a realistic schedule and keep you updated as the adus & conversions work progresses.

Do you offer a garage to living space in Mercer Island, WA?

Yes. Convert a garage into a gym, office, or studio. Xion Build is a licensed, bonded, and insured adus & conversions contractor serving Mercer Island and the surrounding WA communities.

What should we decide before starting a garage to living space?

Your budget range, must-haves, timeline, and any finishes you already love. For adus & conversions work we also review access, existing conditions, and whether permits are required in Mercer Island.

How much does a garage to living space cost in Mercer Island?

Most garage to living space projects in Mercer Island run $101,000 – $227,000, 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.

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