ADUs & conversions · Normandy Park, WA
Detached ADU (DADU) Build in Normandy Park, WA
Stand-alone backyard cottages from foundation to finish.
Detached ADU (DADU) Build in Normandy Park, WA
When Normandy Park 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.
Normandy Park's quiet coastal neighborhoods favor refined kitchen, bath, and exterior projects that hold up to salt air and weather.
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 Normandy Park can involve utilities, finishes, framing, the kitchen and bath — 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 Normandy Park?
Most detached ADU (DADU) build projects in Normandy Park fall between $207,000 – $517,500, 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 Normandy Park homeowners choose Xion Build
Honest guidance on where to invest and where to save, so your budget goes toward what adds real, lasting value.
Local crews who know Eastside permitting, inspections, and the way Pacific Northwest weather tests a home.
Licensed, bonded, and insured in Washington — every project is built to meet or exceed code and backed by a written warranty.
Our Normandy Park adus & conversions process
Handoff includes a detailed walkthrough and a written warranty — not a crew that vanishes the moment the dust settles.
Each phase is inspected and documented, and we keep you updated so you always know what's happening and what's next.
It starts with a free, no-obligation consultation: what you want, the constraints, and a realistic budget range before you commit to anything.
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 Normandy Park.
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.
Do you offer a detached ADU (DADU) build in Normandy Park, WA?
Yes. Stand-alone backyard cottages from foundation to finish. Xion Build is a licensed, bonded, and insured adus & conversions contractor serving Normandy Park and the surrounding WA communities.
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 Normandy Park.
Do you offer free estimates for detached ADU (DADU) build near Normandy Park?
Absolutely. We provide free, no-obligation in-home estimates throughout Normandy Park and the greater Eastside, with transparent, itemized pricing.
Related services in Normandy Park
Garage conversion to ADU
Convert a garage into a legal, livable ADU.
View detailsADU utility & meter separation
Separate utilities and metering for rentals.
View detailsADU design & permitting
Plans and permits navigating local ADU rules.
View detailsADU kitchen & bath build-out
Compact, efficient kitchens and baths for ADUs.
View detailsWe also serve these areas