Home additions · Kenmore, WA
Room Addition in Kenmore, WA
Add a bedroom, office, or living space tied seamlessly into the home.
Room Addition in Kenmore, WA
Looking for room addition in Kenmore? Xion Build is a licensed, bonded, and insured home additions contractor delivering standout results for Kenmore homeowners — start to finish, under one roof. Add a bedroom, office, or living space tied seamlessly into the home.
Kenmore's lakeside and hillside lots reward decks, additions, and remodels that open the home up to the water and greenery.
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 Kenmore can involve insulation, windows, framing, foundation work — 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 Kenmore?
Most room addition projects in Kenmore fall between $69,000 – $230,000, 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 Kenmore 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.
Local crews who know Eastside permitting, inspections, and the way Pacific Northwest weather tests a home.
Meticulous job sites and clear daily communication, with respect for your home, your time, and your neighbors.
Our Kenmore home additions process
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.
Handoff includes a detailed walkthrough and a written warranty — not a crew that vanishes the moment the dust settles.
Frequently asked questions
Do you handle permits and inspections?
Yes. We manage permit applications, schedule inspections, and coordinate any required engineering so the work passes cleanly in Kenmore.
Do you offer a room addition in Kenmore, 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 Kenmore and the surrounding WA communities.
Are you a licensed home additions 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 long does a room 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 home additions work progresses.
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 Kenmore.
Related services in Kenmore
Bump-out addition
Small cantilevered bump-outs to expand kitchens, baths, or dining.
View detailsHome office addition
A quiet, code-built dedicated workspace with proper electrical.
View detailsAddition design & engineering
Architectural plans and structural engineering for additions.
View detailsStructural tie-in & roofline match
Marry new framing and rooflines cleanly to the existing home.
View detailsWe also serve these areas