Home additions · Shoreline, WA
Two-Story Great-Room Expansion in Shoreline, WA
Vaulted, two-story living additions with structural steel where needed.
Two-Story Great-Room Expansion in Shoreline, WA
Looking for two-story great-room expansion in Shoreline? Xion Build is a licensed, bonded, and insured home additions contractor delivering standout results for Shoreline homeowners — start to finish, under one roof. Vaulted, two-story living additions with structural steel where needed.
Shoreline's mid-century homes are ideal candidates for kitchen and bath remodels, additions, and full-system modernization.
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.
What's included in your two-story great-room expansion
A typical two-story great-room expansion in Shoreline can involve foundation work, finishes, framing, roofline tie-in — and we put the full scope in writing so you know exactly what's covered before work starts.
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.
How much does a two-story great-room expansion cost in Shoreline?
Most two-story great-room expansion projects in Shoreline fall between $123,500 – $360,500, 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 Shoreline homeowners choose Xion Build
Transparent, written estimates with no hidden fees — you know what you're paying for before work begins.
One dedicated point of contact coordinates the entire job, so you're never chasing subcontractors or wondering who's responsible.
Local crews who know Eastside permitting, inspections, and the way Pacific Northwest weather tests a home.
Our Shoreline home additions process
Design and material selections come next, so finishes, fixtures, and pricing are locked in before demolition — no surprises mid-project.
Each phase is inspected and documented, and we keep you updated so you always know what's happening and what's next.
It starts with a free, no-obligation consultation: what you want, the constraints, and a realistic budget range before you commit to anything.
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 Shoreline.
Do you offer free estimates for two-story great-room expansion near Shoreline?
Absolutely. We provide free, no-obligation in-home estimates throughout Shoreline and the greater Eastside, with transparent, itemized pricing.
How long does a two-story great-room expansion 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.
How much does a two-story great-room expansion cost in Shoreline?
Most two-story great-room expansion projects in Shoreline run $123,500 – $360,500, depending on scope, finishes, and existing conditions. After a free in-home consultation we provide a detailed written estimate so your Shoreline price reflects the actual project — not a guess.
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.
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Architectural plans and structural engineering for additions.
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A new primary bedroom, bath, and closet wing.
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Add a bedroom, office, or living space tied seamlessly into the home.
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