Home additions · Redmond, WA
Room Addition in Redmond, WA
Add a bedroom, office, or living space tied seamlessly into the home.
Room Addition in Redmond, WA
Looking for room addition 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. Add a bedroom, office, or living space tied seamlessly into the home.
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 room addition
A typical room addition in Redmond can involve insulation, roofline tie-in, foundation work, framing — 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 room addition cost in Redmond?
Most room addition projects in Redmond fall between $69,000 – $230,000, 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
Licensed, bonded, and insured in Washington — every project is built to meet or exceed code and backed by a written warranty.
Honest guidance on where to invest and where to save, so your budget goes toward what adds real, lasting value.
Transparent, written estimates with no hidden fees — you know what you're paying for before work begins.
Our Redmond home additions process
It starts with a free, no-obligation consultation: what you want, the constraints, and a realistic budget range before you commit to anything.
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.
Frequently asked questions
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 offer free estimates for room addition near Redmond?
Absolutely. We provide free, no-obligation in-home estimates throughout Redmond and the greater Eastside, with transparent, itemized pricing.
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 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 Redmond.
How much does a room addition cost in Redmond?
Most room addition projects in Redmond run $69,000 – $230,000, depending on scope, finishes, and existing conditions. After a free in-home consultation we provide a detailed written estimate so your Redmond price reflects the actual project — not a guess.
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Vaulted, two-story living additions with structural steel where needed.
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A new primary bedroom, bath, and closet wing.
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