Home additions · Kirkland, WA
Room Addition in Kirkland, WA
Add a bedroom, office, or living space tied seamlessly into the home.
Room Addition in Kirkland, WA
Xion Build provides expert room addition in Kirkland. As a trusted Kirkland home additions contractor, we manage design, materials, permits, and every trade in-house so your project stays on schedule and on budget. Add a bedroom, office, or living space tied seamlessly into the home.
Kirkland's waterfront cottages and hillside homes mix tight lots with big design ambitions — we plan access, staging, and finishes accordingly.
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 Kirkland can involve framing, foundation work, insulation, windows — 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 Kirkland?
Most room addition projects in Kirkland 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 Kirkland 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.
Honest guidance on where to invest and where to save, so your budget goes toward what adds real, lasting value.
Local crews who know Eastside permitting, inspections, and the way Pacific Northwest weather tests a home.
Our Kirkland home additions process
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.
Design and material selections come next, so finishes, fixtures, and pricing are locked in before demolition — no surprises mid-project.
Frequently asked questions
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 Kirkland.
Do you handle permits and inspections?
Yes. We manage permit applications, schedule inspections, and coordinate any required engineering so the work passes cleanly in Kirkland.
Do you offer free estimates for room addition near Kirkland?
Absolutely. We provide free, no-obligation in-home estimates throughout Kirkland and the greater Eastside, with transparent, itemized pricing.
Do you offer a room addition in Kirkland, 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 Kirkland and the surrounding WA communities.
How much does a room addition cost in Kirkland?
Most room addition projects in Kirkland run $69,000 – $230,000, depending on scope, finishes, and existing conditions. After a free in-home consultation we provide a detailed written estimate so your Kirkland price reflects the actual project — not a guess.
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Engineered footings and foundations for new square footage.
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