Garage Conversion To ADU in Federal Way, WA

Garage Conversion To ADU in Federal Way, WA

Xion Build provides expert garage conversion to ADU in Federal Way. As a trusted Federal Way 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 legal, livable ADU.

Federal Way's established neighborhoods reward durable, value-driven remodels, roofing, and exterior work.

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 conversion to ADU

A typical garage conversion to ADU in Federal Way can involve utilities, framing, the kitchen and bath, foundation — 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 conversion to ADU cost in Federal Way?

Most garage conversion to ADU projects in Federal Way fall between $60,000 – $160,000, 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 Federal Way homeowners choose Xion Build

Local crews who know Eastside permitting, inspections, and the way Pacific Northwest weather tests a home.

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.

Our Federal Way 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.

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

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