Basement finishing · Kirkland, WA
Basement Bathroom Addition in Kirkland, WA
Add a bath with proper plumbing and ejector if needed.
Basement Bathroom Addition in Kirkland, WA
Looking for basement bathroom addition in Kirkland? Xion Build is a licensed, bonded, and insured basement finishing contractor delivering standout results for Kirkland homeowners — start to finish, under one roof. Add a bath with proper plumbing and ejector if needed.
Kirkland's waterfront cottages and hillside homes mix tight lots with big design ambitions — we plan access, staging, and finishes accordingly.
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 bathroom addition
A typical basement bathroom addition in Kirkland can involve insulation, electrical, framing, egress — 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 bathroom addition cost in Kirkland?
Most basement bathroom addition projects in Kirkland fall between $44,500 – $111,500, 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 basement finishing project — so there are no surprises later.
Why Kirkland homeowners choose Xion Build
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.
Local crews who know Eastside permitting, inspections, and the way Pacific Northwest weather tests a home.
Our Kirkland basement finishing process
It starts with a free, no-obligation consultation: what you want, the constraints, and a realistic budget range before you commit to anything.
We pull the permits, schedule every trade in the right order, and protect your home, landscaping, and daily routine throughout the build.
Design and material selections come next, so finishes, fixtures, and pricing are locked in before demolition — no surprises mid-project.
Frequently asked questions
Do you offer a basement bathroom addition in Kirkland, WA?
Yes. Add a bath with proper plumbing and ejector if needed. Xion Build is a licensed, bonded, and insured basement finishing contractor serving Kirkland and the surrounding WA communities.
How long does a basement bathroom addition take?
Timelines depend on scope and permitting. Once the plan is confirmed we give you a realistic schedule and keep you updated as the basement finishing work progresses.
What should we decide before starting a basement bathroom addition?
Your budget range, must-haves, timeline, and any finishes you already love. For basement finishing work we also review access, existing conditions, and whether permits are required in Kirkland.
Are you a licensed basement finishing 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.
How much does a basement bathroom addition cost in Kirkland?
Most basement bathroom addition projects in Kirkland run $44,500 – $111,500, depending on scope, finishes, and existing conditions. After a free in-home consultation we provide a detailed written estimate so your Kirkland price reflects the actual project — not a guess.
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