ADUs & conversions · Shoreline, WA
Detached ADU (DADU) Build in Shoreline, WA
Stand-alone backyard cottages from foundation to finish.
Detached ADU (DADU) Build in Shoreline, WA
When Shoreline 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.
Shoreline's mid-century homes are ideal candidates for kitchen and bath remodels, additions, and full-system modernization.
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 detached ADU (DADU) build
A typical detached ADU (DADU) build in Shoreline can involve framing, permits, utilities, 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 detached ADU (DADU) build cost in Shoreline?
Most detached ADU (DADU) build projects in Shoreline 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 Shoreline 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.
Transparent, written estimates with no hidden fees — you know what you're paying for before work begins.
Our Shoreline 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.
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.
Frequently asked questions
Do you handle permits and inspections?
Yes. We manage permit applications, schedule inspections, and coordinate any required engineering so the work passes cleanly in Shoreline.
Do you offer free estimates for detached ADU (DADU) build near Shoreline?
Absolutely. We provide free, no-obligation in-home estimates throughout Shoreline and the greater Eastside, with transparent, itemized pricing.
How long does a detached ADU (DADU) 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 a detached ADU (DADU) build in Shoreline, WA?
Yes. Stand-alone backyard cottages from foundation to finish. Xion Build is a licensed, bonded, and insured adus & conversions contractor serving Shoreline and the surrounding WA communities.
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.
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