ADUs & conversions · Olympia, WA
Attached ADU Build in Olympia, WA
Attached accessory dwelling units within the home's footprint.
Attached ADU Build in Olympia, WA
Xion Build provides expert attached ADU build in Olympia. As a trusted Olympia adus & conversions contractor, we manage design, materials, permits, and every trade in-house so your project stays on schedule and on budget. Attached accessory dwelling units within the home's footprint.
Olympia's historic and waterfront-adjacent homes benefit from restoration-minded remodeling that preserves character while updating systems.
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 Olympia can involve framing, permits, 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 an attached ADU build cost in Olympia?
Most attached ADU build projects in Olympia 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 Olympia homeowners choose Xion Build
One dedicated point of contact coordinates the entire job, so you're never chasing subcontractors or wondering who's responsible.
Local crews who know Eastside permitting, inspections, and the way Pacific Northwest weather tests a home.
Transparent, written estimates with no hidden fees — you know what you're paying for before work begins.
Our Olympia adus & conversions process
It starts with a free, no-obligation consultation: what you want, the constraints, and a realistic budget range before you commit to anything.
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.
Frequently asked questions
Do you offer free estimates for attached ADU build near Olympia?
Absolutely. We provide free, no-obligation in-home estimates throughout Olympia and the greater Eastside, with transparent, itemized pricing.
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 Olympia.
How much does an attached ADU build cost in Olympia?
Most attached ADU build projects in Olympia 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 Olympia price reflects the actual project — not a guess.
Do you handle permits and inspections?
Yes. We manage permit applications, schedule inspections, and coordinate any required engineering so the work passes cleanly in Olympia.
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.
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