Home additions · Woodinville, WA
Second-Story Addition in Woodinville, WA
Build up to add bedrooms and baths while keeping your lot.
Second-Story Addition in Woodinville, WA
Xion Build provides expert second-story addition in Woodinville. As a trusted Woodinville home additions contractor, we manage design, materials, permits, and every trade in-house so your project stays on schedule and on budget. Build up to add bedrooms and baths while keeping your lot.
Woodinville's wine-country estates and acreage homes are ideal for additions, outdoor living, and kitchens built for entertaining.
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 second-story addition
A typical second-story addition in Woodinville can involve roofline tie-in, foundation work, framing, insulation — 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 second-story addition cost in Woodinville?
Most second-story addition projects in Woodinville fall between $172,500 – $460,000, 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 Woodinville homeowners choose Xion Build
Transparent, written estimates with no hidden fees — you know what you're paying for before work begins.
Honest guidance on where to invest and where to save, so your budget goes toward what adds real, lasting value.
Meticulous job sites and clear daily communication, with respect for your home, your time, and your neighbors.
Our Woodinville 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.
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.
Frequently asked questions
Do you offer a second-story addition in Woodinville, WA?
Yes. Build up to add bedrooms and baths while keeping your lot. Xion Build is a licensed, bonded, and insured home additions contractor serving Woodinville 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.
What should we decide before starting a second-story 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 Woodinville.
Do you handle permits and inspections?
Yes. We manage permit applications, schedule inspections, and coordinate any required engineering so the work passes cleanly in Woodinville.
How much does a second-story addition cost in Woodinville?
Most second-story addition projects in Woodinville run $172,500 – $460,000, depending on scope, finishes, and existing conditions. After a free in-home consultation we provide a detailed written estimate so your Woodinville price reflects the actual project — not a guess.
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