Basement finishing · Clyde Hill, WA
Basement Bathroom Addition in Clyde Hill, WA
Add a bath with proper plumbing and ejector if needed.
Basement Bathroom Addition in Clyde Hill, WA
Looking for basement bathroom addition in Clyde Hill? Xion Build is a licensed, bonded, and insured basement finishing contractor delivering standout results for Clyde Hill homeowners — start to finish, under one roof. Add a bath with proper plumbing and ejector if needed.
Clyde Hill's view properties and large lots reward careful permit handling, structural precision, and remodels designed to preserve sightlines and resale value.
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 Clyde Hill can involve finishes, electrical, egress, 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 bathroom addition cost in Clyde Hill?
Most basement bathroom addition projects in Clyde Hill fall between $50,500 – $126,000, 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 Clyde Hill homeowners choose Xion Build
Meticulous job sites and clear daily communication, with respect for your home, your time, and your neighbors.
Honest guidance on where to invest and where to save, so your budget goes toward what adds real, lasting value.
Transparent, written estimates with no hidden fees — you know what you're paying for before work begins.
Our Clyde Hill basement finishing process
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.
Handoff includes a detailed walkthrough and a written warranty — not a crew that vanishes the moment the dust settles.
Frequently asked questions
How much does a basement bathroom addition cost in Clyde Hill?
Most basement bathroom addition projects in Clyde Hill run $50,500 – $126,000, depending on scope, finishes, and existing conditions. After a free in-home consultation we provide a detailed written estimate so your Clyde Hill price reflects the actual project — not a guess.
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 Clyde Hill.
Do you offer free estimates for basement bathroom addition near Clyde Hill?
Absolutely. We provide free, no-obligation in-home estimates throughout Clyde Hill and the greater Eastside, with transparent, itemized pricing.
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.
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Basement waterproofing prep
Drainage and moisture control before finishing.
View detailsBasement ceiling & lighting
Drop and drywall ceilings with recessed lighting.
View detailsHome theater & media room
Acoustically treated media and theater rooms.
View detailsBasement guest suite
Self-contained guest suites with bath.
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