Basement finishing · Federal Way, WA

Basement Bathroom Addition in Federal Way, WA

Add a bath with proper plumbing and ejector if needed.

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Basement Bathroom Addition in Federal Way, WA

Xion Build provides expert basement bathroom addition in Federal Way. As a trusted Federal Way basement finishing contractor, we manage design, materials, permits, and every trade in-house so your project stays on schedule and on budget. Add a bath with proper plumbing and ejector if needed.

Federal Way's established neighborhoods reward durable, value-driven remodels, roofing, and exterior work.

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 Federal Way can involve electrical, framing, finishes, 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 Federal Way?

Most basement bathroom addition projects in Federal Way fall between $39,000 – $97,000, 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 Federal Way homeowners choose Xion Build

Local crews who know Eastside permitting, inspections, and the way Pacific Northwest weather tests a home.

One dedicated point of contact coordinates the entire job, so you're never chasing subcontractors or wondering who's responsible.

Meticulous job sites and clear daily communication, with respect for your home, your time, and your neighbors.

Our Federal Way basement finishing process

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.

Design and material selections come next, so finishes, fixtures, and pricing are locked in before demolition — no surprises mid-project.

Frequently asked questions

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 Federal Way.

Do you offer a basement bathroom addition in Federal Way, WA?

Yes. Add a bath with proper plumbing and ejector if needed. Xion Build is a licensed, bonded, and insured basement finishing contractor serving Federal Way and the surrounding WA communities.

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.

Do you offer free estimates for basement bathroom addition near Federal Way?

Absolutely. We provide free, no-obligation in-home estimates throughout Federal Way and the greater Eastside, with transparent, itemized pricing.

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