Home additions · Woodinville, WA

Great Room Addition in Woodinville, WA

A large open living and entertaining space.

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Great Room Addition in Woodinville, WA

Looking for great room addition in Woodinville? Xion Build is a licensed, bonded, and insured home additions contractor delivering standout results for Woodinville homeowners — start to finish, under one roof. A large open living and entertaining space.

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 great room addition

A typical great room addition in Woodinville can involve framing, roofline tie-in, insulation, finishes — 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 great room addition cost in Woodinville?

Most great room addition projects in Woodinville fall between $146,500 – $426,500, 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 Woodinville homeowners choose Xion Build

Local crews who know Eastside permitting, inspections, and the way Pacific Northwest weather tests a home.

Licensed, bonded, and insured in Washington — every project is built to meet or exceed code and backed by a written warranty.

Transparent, written estimates with no hidden fees — you know what you're paying for before work begins.

Our Woodinville home additions process

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.

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 offer a great room addition in Woodinville, WA?

Yes. A large open living and entertaining space. Xion Build is a licensed, bonded, and insured home additions contractor serving Woodinville and the surrounding WA communities.

What should we decide before starting a great room 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.

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 handle permits and inspections?

Yes. We manage permit applications, schedule inspections, and coordinate any required engineering so the work passes cleanly in Woodinville.

Do you offer free estimates for great room addition near Woodinville?

Absolutely. We provide free, no-obligation in-home estimates throughout Woodinville and the greater Eastside, with transparent, itemized pricing.

Related services in Woodinville

Foundation & footings for additions

Engineered footings and foundations for new square footage.

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In-law suite addition

Self-contained suite with bedroom, bath, and kitchenette.

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Home office addition

A quiet, code-built dedicated workspace with proper electrical.

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Two-story great-room expansion

Vaulted, two-story living additions with structural steel where needed.

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