Home additions · Bothell, WA
Room Addition in Bothell, WA
Add a bedroom, office, or living space tied seamlessly into the home.
Room Addition in Bothell, WA
When Bothell homeowners search for room addition or a dependable home additions contractor near them, they want craftsmanship that lasts and a crew that communicates. That's exactly what we do. Add a bedroom, office, or living space tied seamlessly into the home.
Bothell homeowners balance growing families and aging homes — additions, basement finishes, and kitchen remodels see strong demand here.
From room additions and bump-outs to second stories and full primary suites, we handle structural engineering and permits up front so there are no surprises.
What's included in your room addition
A typical room addition in Bothell can involve insulation, finishes, windows, framing — and we put the full scope in writing so you know exactly what's covered before work starts.
A home addition lives or dies on the connection to the existing house — foundation, framing, and rooflines have to marry seamlessly so the new space feels original.
How much does a room addition cost in Bothell?
Most room addition projects in Bothell fall between $60,000 – $200,000, 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 home additions project — so there are no surprises later.
Why Bothell homeowners choose Xion Build
Transparent, written estimates with no hidden fees — you know what you're paying for before work begins.
One dedicated point of contact coordinates the entire job, so you're never chasing subcontractors or wondering who's responsible.
Honest guidance on where to invest and where to save, so your budget goes toward what adds real, lasting value.
Our Bothell home additions process
Handoff includes a detailed walkthrough and a written warranty — not a crew that vanishes the moment the dust settles.
We pull the permits, schedule every trade in the right order, and protect your home, landscaping, and daily routine throughout the build.
It starts with a free, no-obligation consultation: what you want, the constraints, and a realistic budget range before you commit to anything.
Frequently asked questions
Do you offer free estimates for room addition near Bothell?
Absolutely. We provide free, no-obligation in-home estimates throughout Bothell and the greater Eastside, with transparent, itemized pricing.
Do you handle permits and inspections?
Yes. We manage permit applications, schedule inspections, and coordinate any required engineering so the work passes cleanly in Bothell.
Do you offer a room addition in Bothell, WA?
Yes. Add a bedroom, office, or living space tied seamlessly into the home. Xion Build is a licensed, bonded, and insured home additions contractor serving Bothell and the surrounding WA communities.
What should we decide before starting a room addition?
Your budget range, must-haves, timeline, and any finishes you already love. For home additions work we also review access, existing conditions, and whether permits are required in Bothell.
How much does a room addition cost in Bothell?
Most room addition projects in Bothell run $60,000 – $200,000, depending on scope, finishes, and existing conditions. After a free in-home consultation we provide a detailed written estimate so your Bothell price reflects the actual project — not a guess.
Related services in Bothell
Bump-out addition
Small cantilevered bump-outs to expand kitchens, baths, or dining.
View detailsFoundation & footings for additions
Engineered footings and foundations for new square footage.
View detailsGreat room addition
A large open living and entertaining space.
View detailsAddition design & engineering
Architectural plans and structural engineering for additions.
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