Foundation & concrete · Mercer Island, WA
New Foundation & Footings in Mercer Island, WA
Footings, stem walls, and foundations for additions.
New Foundation & Footings in Mercer Island, WA
Xion Build provides expert new foundation & footings in Mercer Island. As a trusted Mercer Island foundation & concrete contractor, we manage design, materials, permits, and every trade in-house so your project stays on schedule and on budget. Footings, stem walls, and foundations for additions.
Mercer Island projects often involve sloped lots, shoreline rules, and mid-century homes that benefit from thoughtful structural and design planning.
Drainage and waterproofing are scoped alongside the structure so the repair actually lasts.
What's included in your new foundation & footings
A typical new foundation & footings in Mercer Island can involve footings, excavation, waterproofing, rebar — and we put the full scope in writing so you know exactly what's covered before work starts.
Foundation and concrete work sets everything above it — we engineer for the soil, slope, and water on your specific lot.
How much does a new foundation & footings cost in Mercer Island?
Most new foundation & footings projects in Mercer Island fall between $18,000 – $72,500, 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 foundation & concrete project — so there are no surprises later.
Why Mercer Island homeowners choose Xion Build
One dedicated point of contact coordinates the entire job, so you're never chasing subcontractors or wondering who's responsible.
Transparent, written estimates with no hidden fees — you know what you're paying for before work begins.
Local crews who know Eastside permitting, inspections, and the way Pacific Northwest weather tests a home.
Our Mercer Island foundation & concrete process
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.
Each phase is inspected and documented, and we keep you updated so you always know what's happening and what's next.
Frequently asked questions
How much does a new foundation & footings cost in Mercer Island?
Most new foundation & footings projects in Mercer Island run $18,000 – $72,500, depending on scope, finishes, and existing conditions. After a free in-home consultation we provide a detailed written estimate so your Mercer Island price reflects the actual project — not a guess.
Do you offer a new foundation & footings in Mercer Island, WA?
Yes. Footings, stem walls, and foundations for additions. Xion Build is a licensed, bonded, and insured foundation & concrete contractor serving Mercer Island and the surrounding WA communities.
How long does a new foundation & footings take?
Timelines depend on scope and permitting. Once the plan is confirmed we give you a realistic schedule and keep you updated as the foundation & concrete work progresses.
What should we decide before starting a new foundation & footings?
Your budget range, must-haves, timeline, and any finishes you already love. For foundation & concrete work we also review access, existing conditions, and whether permits are required in Mercer Island.
Are you a licensed foundation & concrete 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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Stamped & decorative concrete
Stamped, colored, and exposed-aggregate finishes.
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Footing drains and French drains to manage water.
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Drainage, sump, and vapor barriers to keep below-grade dry.
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Concrete driveways, aprons, and approaches.
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