Home additions · Bothell, WA
Second-Story Addition in Bothell, WA
Build up to add bedrooms and baths while keeping your lot.
Second-Story Addition in Bothell, WA
When Bothell homeowners search for second-story 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. Build up to add bedrooms and baths while keeping your lot.
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 second-story addition
A typical second-story addition in Bothell can involve roofline tie-in, foundation work, framing, 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 second-story addition cost in Bothell?
Most second-story addition projects in Bothell fall between $150,000 – $400,000, 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
Local crews who know Eastside permitting, inspections, and the way Pacific Northwest weather tests a home.
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 Bothell home additions process
Each phase is inspected and documented, and we keep you updated so you always know what's happening and what's next.
We pull the permits, schedule every trade in the right order, and protect your home, landscaping, and daily routine throughout the build.
Handoff includes a detailed walkthrough and a written warranty — not a crew that vanishes the moment the dust settles.
Frequently asked questions
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.
Do you offer a second-story addition in Bothell, 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 Bothell and the surrounding WA communities.
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.
How much does a second-story addition cost in Bothell?
Most second-story addition projects in Bothell run $150,000 – $400,000, 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.
How long does a second-story 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.
Related services in Bothell
Room addition
Add a bedroom, office, or living space tied seamlessly into the home.
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Insulated, conditioned sunrooms usable year-round.
View detailsAddition design & engineering
Architectural plans and structural engineering for additions.
View detailsBump-out addition
Small cantilevered bump-outs to expand kitchens, baths, or dining.
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