Home additions · Redmond, WA

Sunroom & Four-Season Room in Redmond, WA

Insulated, conditioned sunrooms usable year-round.

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Sunroom & Four-Season Room in Redmond, WA

Looking for sunroom & four-season room in Redmond? Xion Build is a licensed, bonded, and insured home additions contractor delivering standout results for Redmond homeowners — start to finish, under one roof. Insulated, conditioned sunrooms usable year-round.

Redmond's newer neighborhoods and established acreage homes both call for clean scheduling and modern, low-maintenance finishes.

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 Redmond can involve foundation work, insulation, windows, 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 sunroom & four-season room cost in Redmond?

Most sunroom & four-season room projects in Redmond 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 Redmond homeowners choose Xion Build

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

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.

Our Redmond home additions process

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.

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

How long does a sunroom & four-season room 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 Redmond.

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 Redmond.

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

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

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

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

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