ADUs & conversions · Kent, WA

Attached ADU Build in Kent, WA

Attached accessory dwelling units within the home's footprint.

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Attached ADU Build in Kent, WA

Looking for attached ADU build in Kent? Xion Build is a licensed, bonded, and insured adus & conversions contractor delivering standout results for Kent homeowners — start to finish, under one roof. Attached accessory dwelling units within the home's footprint.

Kent homeowners get strong returns from durable, practical remodels — kitchens, baths, roofing, and exterior work that hold up for the long run.

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 attached ADU build

A typical attached ADU build in Kent can involve finishes, the kitchen and bath, permits, 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 an attached ADU build cost in Kent?

Most attached ADU build projects in Kent fall between $151,500 – $454,500, 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 Kent 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.

Meticulous job sites and clear daily communication, with respect for your home, your time, and your neighbors.

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

Our Kent adus & conversions process

Each phase is inspected and documented, and we keep you updated so you always know what's happening and what's next.

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.

Frequently asked questions

How much does an attached ADU build cost in Kent?

Most attached ADU build projects in Kent run $151,500 – $454,500, depending on scope, finishes, and existing conditions. After a free in-home consultation we provide a detailed written estimate so your Kent price reflects the actual project — not a guess.

How long does an attached ADU build 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 free estimates for attached ADU build near Kent?

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

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.

What should we decide before starting an attached ADU build?

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 Kent.

Related services in Kent

Detached ADU (DADU) build

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ADU design & permitting

Plans and permits navigating local ADU rules.

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ADU kitchen & bath build-out

Compact, efficient kitchens and baths for ADUs.

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Garage conversion to ADU

Convert a garage into a legal, livable ADU.

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