Basement finishing · Shoreline, WA
Basement Guest Suite in Shoreline, WA
Self-contained guest suites with bath.
Basement Guest Suite in Shoreline, WA
Looking for basement guest suite in Shoreline? Xion Build is a licensed, bonded, and insured basement finishing contractor delivering standout results for Shoreline homeowners — start to finish, under one roof. Self-contained guest suites with bath.
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 basement guest suite
A typical basement guest suite in Shoreline can involve electrical, egress, finishes, insulation — 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 guest suite cost in Shoreline?
Most basement guest suite projects in Shoreline fall between $18,000 – $50,000, 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 basement finishing project — so there are no surprises later.
Why Shoreline 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.
One dedicated point of contact coordinates the entire job, so you're never chasing subcontractors or wondering who's responsible.
Local crews who know Eastside permitting, inspections, and the way Pacific Northwest weather tests a home.
Our Shoreline basement finishing process
Design and material selections come next, so finishes, fixtures, and pricing are locked in before demolition — no surprises mid-project.
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.
Frequently asked questions
Do you offer a basement guest suite in Shoreline, WA?
Yes. Self-contained guest suites with bath. Xion Build is a licensed, bonded, and insured basement finishing contractor serving Shoreline and the surrounding WA communities.
What should we decide before starting a basement guest suite?
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 Shoreline.
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.
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 guest suite cost in Shoreline?
Most basement guest suite projects in Shoreline run $18,000 – $50,000, depending on scope, finishes, and existing conditions. After a free in-home consultation we provide a detailed written estimate so your Shoreline price reflects the actual project — not a guess.
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Drop and drywall ceilings with recessed lighting.
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Code-compliant bedrooms with egress windows.
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Egress, ceiling height, and code compliance.
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Add a bath with proper plumbing and ejector if needed.
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