Basement ADU Conversion in Yarrow Point, WA

Basement ADU Conversion in Yarrow Point, WA

Xion Build provides expert basement ADU conversion in Yarrow Point. As a trusted Yarrow Point adus & conversions contractor, we manage design, materials, permits, and every trade in-house so your project stays on schedule and on budget. Turn a basement into a separate-entry dwelling unit.

Yarrow Point homeowners expect quiet, meticulous job sites and finish work that holds up to the neighborhood's high architectural 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 basement ADU conversion

A typical basement ADU conversion in Yarrow Point can involve foundation, permits, framing, 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 basement ADU conversion cost in Yarrow Point?

Most basement ADU conversion projects in Yarrow Point fall between $113,500 – $255,000, 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 Yarrow Point homeowners choose Xion Build

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

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.

Our Yarrow Point adus & conversions process

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

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

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

Frequently asked questions

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