ADUs & conversions · Olympia, WA
Detached ADU (DADU) Build in Olympia, WA
Stand-alone backyard cottages from foundation to finish.
Detached ADU (DADU) Build in Olympia, WA
When Olympia homeowners search for detached ADU (DADU) build or a dependable adus & conversions contractor near them, they want craftsmanship that lasts and a crew that communicates. That's exactly what we do. Stand-alone backyard cottages from foundation to finish.
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 detached ADU (DADU) build
A typical detached ADU (DADU) build in Olympia can involve utilities, finishes, 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 a detached ADU (DADU) build cost in Olympia?
Most detached ADU (DADU) build projects in Olympia fall between $180,000 – $450,000, 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
Honest guidance on where to invest and where to save, so your budget goes toward what adds real, lasting value.
Meticulous job sites and clear daily communication, with respect for your home, your time, and your neighbors.
Licensed, bonded, and insured in Washington — every project is built to meet or exceed code and backed by a written warranty.
Our Olympia 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.
We pull the permits, schedule every trade in the right order, and protect your home, landscaping, and daily routine throughout the build.
Frequently asked questions
What should we decide before starting a detached ADU (DADU) 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.
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 much does a detached ADU (DADU) build cost in Olympia?
Most detached ADU (DADU) build projects in Olympia run $180,000 – $450,000, 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 offer a detached ADU (DADU) build in Olympia, WA?
Yes. Stand-alone backyard cottages from foundation to finish. Xion Build is a licensed, bonded, and insured adus & conversions contractor serving Olympia and the surrounding WA communities.
Do you offer free estimates for detached ADU (DADU) build near Olympia?
Absolutely. We provide free, no-obligation in-home estimates throughout Olympia and the greater Eastside, with transparent, itemized pricing.
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