Home additions · Bothell, WA
Foundation & Footings For Additions in Bothell, WA
Engineered footings and foundations for new square footage.
Foundation & Footings For Additions in Bothell, WA
When Bothell homeowners search for foundation & footings for additions or a dependable home additions contractor near them, they want craftsmanship that lasts and a crew that communicates. That's exactly what we do. Engineered footings and foundations for new square footage.
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 foundation & footings for additions
A typical foundation & footings for additions in Bothell can involve foundation work, finishes, 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 foundation & footings for additions cost in Bothell?
Most foundation & footings for additions projects in Bothell fall between $37,000 – $111,500, 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
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.
One dedicated point of contact coordinates the entire job, so you're never chasing subcontractors or wondering who's responsible.
Our Bothell 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.
Each phase is inspected and documented, and we keep you updated so you always know what's happening and what's next.
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 Bothell.
How long does a foundation & footings for additions 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.
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 foundation & footings for additions in Bothell, WA?
Yes. Engineered footings and foundations for new square footage. Xion Build is a licensed, bonded, and insured home additions contractor serving Bothell and the surrounding WA communities.
How much does a foundation & footings for additions cost in Bothell?
Most foundation & footings for additions projects in Bothell run $37,000 – $111,500, 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.
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Addition design & engineering
Architectural plans and structural engineering for additions.
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Attached or detached garages framed, wired, and finished.
View detailsStructural tie-in & roofline match
Marry new framing and rooflines cleanly to the existing home.
View detailsSecond-story addition
Build up to add bedrooms and baths while keeping your lot.
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