ADUs & conversions · Mercer Island, WA

ADU Kitchen & Bath Build-Out in Mercer Island, WA

Compact, efficient kitchens and baths for ADUs.

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ADU Kitchen & Bath Build-Out in Mercer Island, WA

Looking for ADU kitchen & bath build-out in Mercer Island? Xion Build is a licensed, bonded, and insured adus & conversions contractor delivering standout results for Mercer Island homeowners — start to finish, under one roof. Compact, efficient kitchens and baths for ADUs.

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 ADU kitchen & bath build-out

A typical ADU kitchen & bath build-out in Mercer Island can involve permits, framing, foundation, the kitchen and bath — 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 an ADU kitchen & bath build-out cost in Mercer Island?

Most ADU kitchen & bath build-out projects in Mercer Island fall between $96,500 – $217,500, 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 adus & conversions project — so there are no surprises later.

Why Mercer Island homeowners choose Xion Build

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.

Transparent, written estimates with no hidden fees — you know what you're paying for before work begins.

Our Mercer Island adus & conversions process

Design and material selections come next, so finishes, fixtures, and pricing are locked in before demolition — no surprises mid-project.

We pull the permits, schedule every trade in the right order, and protect your home, landscaping, and daily routine throughout the build.

It starts with a free, no-obligation consultation: what you want, the constraints, and a realistic budget range before you commit to anything.

Frequently asked questions

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 ADU kitchen & bath build-out near Mercer Island?

Absolutely. We provide free, no-obligation in-home estimates throughout Mercer Island and the greater Eastside, with transparent, itemized pricing.

How long does an ADU kitchen & bath build-out 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 an ADU kitchen & bath build-out in Mercer Island, WA?

Yes. Compact, efficient kitchens and baths for ADUs. Xion Build is a licensed, bonded, and insured adus & conversions contractor serving Mercer Island and the surrounding WA communities.

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.

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