Home additions · Clyde Hill, WA
Second-Story Addition in Clyde Hill, WA
Build up to add bedrooms and baths while keeping your lot.
Second-Story Addition in Clyde Hill, WA
Looking for second-story addition in Clyde Hill? Xion Build is a licensed, bonded, and insured home additions contractor delivering standout results for Clyde Hill homeowners — start to finish, under one roof. Build up to add bedrooms and baths while keeping your lot.
Clyde Hill's view properties and large lots reward careful permit handling, structural precision, and remodels designed to preserve sightlines and resale value.
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.
What's included in your second-story addition
A typical second-story addition in Clyde Hill can involve foundation work, windows, insulation, framing — and we put the full scope in writing so you know exactly what's covered before work starts.
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.
How much does a second-story addition cost in Clyde Hill?
Most second-story addition projects in Clyde Hill fall between $195,000 – $520,000, 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 Clyde Hill homeowners choose Xion Build
Meticulous job sites and clear daily communication, with respect for your home, your time, and your neighbors.
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 Clyde Hill 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.
Handoff includes a detailed walkthrough and a written warranty — not a crew that vanishes the moment the dust settles.
We pull the permits, schedule every trade in the right order, and protect your home, landscaping, and daily routine throughout the build.
Frequently asked questions
Do you handle permits and inspections?
Yes. We manage permit applications, schedule inspections, and coordinate any required engineering so the work passes cleanly in Clyde Hill.
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 much does a second-story addition cost in Clyde Hill?
Most second-story addition projects in Clyde Hill run $195,000 – $520,000, depending on scope, finishes, and existing conditions. After a free in-home consultation we provide a detailed written estimate so your Clyde Hill price reflects the actual project — not a guess.
How long does a second-story 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.
Do you offer free estimates for second-story addition near Clyde Hill?
Absolutely. We provide free, no-obligation in-home estimates throughout Clyde Hill and the greater Eastside, with transparent, itemized pricing.
Related services in Clyde Hill
Bump-out addition
Small cantilevered bump-outs to expand kitchens, baths, or dining.
View detailsRoom addition
Add a bedroom, office, or living space tied seamlessly into the home.
View detailsFoundation & footings for additions
Engineered footings and foundations for new square footage.
View detailsSunroom & four-season room
Insulated, conditioned sunrooms usable year-round.
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