Home additions · Kenmore, WA

Sunroom & Four-Season Room in Kenmore, WA

Insulated, conditioned sunrooms usable year-round.

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Sunroom & Four-Season Room in Kenmore, WA

Xion Build provides expert sunroom & four-season room in Kenmore. As a trusted Kenmore home additions contractor, we manage design, materials, permits, and every trade in-house so your project stays on schedule and on budget. Insulated, conditioned sunrooms usable year-round.

Kenmore's lakeside and hillside lots reward decks, additions, and remodels that open the home up to the water and greenery.

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 sunroom & four-season room

A typical sunroom & four-season room in Kenmore can involve foundation work, finishes, roofline tie-in, insulation — 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 sunroom & four-season room cost in Kenmore?

Most sunroom & four-season room projects in Kenmore fall between $128,500 – $374,500, 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 Kenmore homeowners choose Xion Build

Honest guidance on where to invest and where to save, so your budget goes toward what adds real, lasting value.

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

One dedicated point of contact coordinates the entire job, so you're never chasing subcontractors or wondering who's responsible.

Our Kenmore 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.

Handoff includes a detailed walkthrough and a written warranty — not a crew that vanishes the moment the dust settles.

Frequently asked questions

How much does a sunroom & four-season room cost in Kenmore?

Most sunroom & four-season room projects in Kenmore run $128,500 – $374,500, depending on scope, finishes, and existing conditions. After a free in-home consultation we provide a detailed written estimate so your Kenmore price reflects the actual project — not a guess.

What should we decide before starting a sunroom & four-season room?

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 Kenmore.

Do you offer free estimates for sunroom & four-season room near Kenmore?

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

Do you offer a sunroom & four-season room in Kenmore, WA?

Yes. Insulated, conditioned sunrooms usable year-round. Xion Build is a licensed, bonded, and insured home additions contractor serving Kenmore and the surrounding WA communities.

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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Garage addition

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Foundation & footings for additions

Engineered footings and foundations for new square footage.

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Dining room expansion

Expand or add a formal dining space for gatherings.

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