Home additions · Lake Forest Park, WA
Two-Story Great-Room Expansion in Lake Forest Park, WA
Vaulted, two-story living additions with structural steel where needed.
Two-Story Great-Room Expansion in Lake Forest Park, WA
Xion Build provides expert two-story great-room expansion in Lake Forest Park. As a trusted Lake Forest Park home additions contractor, we manage design, materials, permits, and every trade in-house so your project stays on schedule and on budget. Vaulted, two-story living additions with structural steel where needed.
Lake Forest Park's wooded, lakefront-adjacent homes reward careful finish work and remodels that respect mature trees and grade.
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 two-story great-room expansion
A typical two-story great-room expansion in Lake Forest Park can involve foundation work, framing, finishes, roofline tie-in — 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 two-story great-room expansion cost in Lake Forest Park?
Most two-story great-room expansion projects in Lake Forest Park fall between $142,000 – $414,500, 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 Lake Forest Park 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.
Local crews who know Eastside permitting, inspections, and the way Pacific Northwest weather tests a home.
One dedicated point of contact coordinates the entire job, so you're never chasing subcontractors or wondering who's responsible.
Our Lake Forest Park 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.
Design and material selections come next, so finishes, fixtures, and pricing are locked in before demolition — no surprises mid-project.
We pull the permits, schedule every trade in the right order, and protect your home, landscaping, and daily routine throughout the build.
Frequently asked questions
How much does a two-story great-room expansion cost in Lake Forest Park?
Most two-story great-room expansion projects in Lake Forest Park run $142,000 – $414,500, depending on scope, finishes, and existing conditions. After a free in-home consultation we provide a detailed written estimate so your Lake Forest Park price reflects the actual project — not a guess.
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.
Do you handle permits and inspections?
Yes. We manage permit applications, schedule inspections, and coordinate any required engineering so the work passes cleanly in Lake Forest Park.
Do you offer a two-story great-room expansion in Lake Forest Park, WA?
Yes. Vaulted, two-story living additions with structural steel where needed. Xion Build is a licensed, bonded, and insured home additions contractor serving Lake Forest Park and the surrounding WA communities.
Do you offer free estimates for two-story great-room expansion near Lake Forest Park?
Absolutely. We provide free, no-obligation in-home estimates throughout Lake Forest Park and the greater Eastside, with transparent, itemized pricing.
Related services in Lake Forest Park
Structural tie-in & roofline match
Marry new framing and rooflines cleanly to the existing home.
View detailsAddition design & engineering
Architectural plans and structural engineering for additions.
View detailsRoom addition
Add a bedroom, office, or living space tied seamlessly into the home.
View detailsBump-out addition
Small cantilevered bump-outs to expand kitchens, baths, or dining.
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