ADU Design & Permitting in Olympia, WA

ADU Design & Permitting in Olympia, WA

When Olympia homeowners search for ADU design & permitting or a dependable adus & conversions contractor near them, they want craftsmanship that lasts and a crew that communicates. That's exactly what we do. Plans and permits navigating local ADU rules.

Olympia's historic and waterfront-adjacent homes benefit from restoration-minded remodeling that preserves character while updating systems.

You get a single point of contact, licensed and insured trades, and clear communication from the first sketch to the final walkthrough.

What's included in your ADU design & permitting

A typical ADU design & permitting in Olympia can involve finishes, foundation, the kitchen and bath, permits — and we put the full scope in writing so you know exactly what's covered before work starts.

We write scope in plain terms: what we'll do, the materials, the sequence, and how any surprises are handled if something is uncovered.

How much does an ADU design & permitting cost in Olympia?

Most ADU design & permitting projects in Olympia fall between $83,000 – $187,000, 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 Olympia homeowners choose Xion Build

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

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

One dedicated point of contact coordinates the entire job, so you're never chasing subcontractors or wondering who's responsible.

Our Olympia adus & conversions process

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

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

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

Frequently asked questions

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