Home additions · Seattle, WA
Primary Suite Addition in Seattle, WA
A new primary bedroom, bath, and closet wing.
Primary Suite Addition in Seattle, WA
When Seattle homeowners search for primary suite addition or a dependable home additions contractor near them, they want craftsmanship that lasts and a crew that communicates. That's exactly what we do. A new primary bedroom, bath, and closet wing.
From Laurelhurst to Queen Anne, Seattle's older homes often need structural care alongside the kitchen, bath, and addition work that modernizes them.
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 primary suite addition
A typical primary suite addition in Seattle can involve framing, windows, foundation work, 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 primary suite addition cost in Seattle?
Most primary suite addition projects in Seattle fall between $103,500 – $345,000, 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 Seattle homeowners choose Xion Build
Transparent, written estimates with no hidden fees — you know what you're paying for before work begins.
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 Seattle 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.
Each phase is inspected and documented, and we keep you updated so you always know what's happening and what's next.
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 primary suite addition cost in Seattle?
Most primary suite addition projects in Seattle run $103,500 – $345,000, depending on scope, finishes, and existing conditions. After a free in-home consultation we provide a detailed written estimate so your Seattle price reflects the actual project — not a guess.
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.
How long does a primary suite addition 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.
What should we decide before starting a primary suite 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 Seattle.
Do you handle permits and inspections?
Yes. We manage permit applications, schedule inspections, and coordinate any required engineering so the work passes cleanly in Seattle.
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