ADUs & conversions · Tacoma, WA
Basement ADU Conversion in Tacoma, WA
Turn a basement into a separate-entry dwelling unit.
Basement ADU Conversion in Tacoma, WA
Looking for basement ADU conversion in Tacoma? Xion Build is a licensed, bonded, and insured adus & conversions contractor delivering standout results for Tacoma homeowners — start to finish, under one roof. Turn a basement into a separate-entry dwelling unit.
Tacoma's classic homes and craftsman stock reward 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 basement ADU conversion
A typical basement ADU conversion in Tacoma can involve the kitchen and bath, framing, foundation, 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 basement ADU conversion cost in Tacoma?
Most basement ADU conversion projects in Tacoma 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 Tacoma homeowners choose Xion Build
Licensed, bonded, and insured in Washington — every project is built to meet or exceed code and backed by a written warranty.
Transparent, written estimates with no hidden fees — you know what you're paying for before work begins.
Local crews who know Eastside permitting, inspections, and the way Pacific Northwest weather tests a home.
Our Tacoma 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
How long does a basement ADU conversion 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.
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 handle permits and inspections?
Yes. We manage permit applications, schedule inspections, and coordinate any required engineering so the work passes cleanly in Tacoma.
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 Tacoma.
How much does a basement ADU conversion cost in Tacoma?
Most basement ADU conversion projects in Tacoma 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 Tacoma price reflects the actual project — not a guess.
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