ADUs & conversions · Bothell, WA
Basement ADU Conversion in Bothell, WA
Turn a basement into a separate-entry dwelling unit.
Basement ADU Conversion in Bothell, WA
Xion Build provides expert basement ADU conversion in Bothell. As a trusted Bothell adus & conversions contractor, we manage design, materials, permits, and every trade in-house so your project stays on schedule and on budget. Turn a basement into a separate-entry dwelling unit.
Bothell homeowners balance growing families and aging homes — additions, basement finishes, and kitchen remodels see strong demand here.
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 basement ADU conversion
A typical basement ADU conversion in Bothell can involve permits, utilities, framing, 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 a basement ADU conversion cost in Bothell?
Most basement ADU conversion projects in Bothell fall between $87,000 – $196,000, 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 Bothell homeowners choose Xion Build
Transparent, written estimates with no hidden fees — you know what you're paying for before work begins.
Meticulous job sites and clear daily communication, with respect for your home, your time, and your neighbors.
Local crews who know Eastside permitting, inspections, and the way Pacific Northwest weather tests a home.
Our Bothell adus & conversions process
We pull the permits, schedule every trade in the right order, and protect your home, landscaping, and daily routine throughout the build.
Handoff includes a detailed walkthrough and a written warranty — not a crew that vanishes the moment the dust settles.
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 Bothell.
Do you offer free estimates for basement ADU conversion near Bothell?
Absolutely. We provide free, no-obligation in-home estimates throughout Bothell and the greater Eastside, with transparent, itemized pricing.
How much does a basement ADU conversion cost in Bothell?
Most basement ADU conversion projects in Bothell run $87,000 – $196,000, depending on scope, finishes, and existing conditions. After a free in-home consultation we provide a detailed written estimate so your Bothell price reflects the actual project — not a guess.
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.
What should we decide before starting a basement ADU conversion?
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 Bothell.
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