ADUs & conversions · Mill Creek, WA
Garage Conversion To ADU in Mill Creek, WA
Convert a garage into a legal, livable ADU.
Garage Conversion To ADU in Mill Creek, WA
When Mill Creek homeowners search for garage conversion to ADU or a dependable adus & conversions contractor near them, they want craftsmanship that lasts and a crew that communicates. That's exactly what we do. Convert a garage into a legal, livable ADU.
Mill Creek's well-kept neighborhoods reward high-quality kitchen, bath, and outdoor-living upgrades that match the community's standard.
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 Mill Creek can involve utilities, foundation, the kitchen and bath, permits — 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 Mill Creek?
Most garage conversion to ADU projects in Mill Creek fall between $69,000 – $184,000, 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 Mill Creek 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 Mill Creek adus & conversions process
Design and material selections come next, so finishes, fixtures, and pricing are locked in before demolition — no surprises mid-project.
Handoff includes a detailed walkthrough and a written warranty — not a crew that vanishes the moment the dust settles.
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
Do you offer free estimates for garage conversion to ADU near Mill Creek?
Absolutely. We provide free, no-obligation in-home estimates throughout Mill Creek and the greater Eastside, with transparent, itemized pricing.
How much does a garage conversion to ADU cost in Mill Creek?
Most garage conversion to ADU projects in Mill Creek run $69,000 – $184,000, depending on scope, finishes, and existing conditions. After a free in-home consultation we provide a detailed written estimate so your Mill Creek price reflects the actual project — not a guess.
What should we decide before starting a garage conversion to ADU?
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 Mill Creek.
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.
Do you handle permits and inspections?
Yes. We manage permit applications, schedule inspections, and coordinate any required engineering so the work passes cleanly in Mill Creek.
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