Foundation & concrete · Mercer Island, WA
Retaining Wall Construction in Mercer Island, WA
Engineered concrete and block retaining walls.
Retaining Wall Construction in Mercer Island, WA
When Mercer Island homeowners search for retaining wall construction or a dependable foundation & concrete contractor near them, they want craftsmanship that lasts and a crew that communicates. That's exactly what we do. Engineered concrete and block retaining walls.
Mercer Island projects often involve sloped lots, shoreline rules, and mid-century homes that benefit from thoughtful structural and design planning.
Foundation and concrete work sets everything above it — we engineer for the soil, slope, and water on your specific lot.
What's included in your retaining wall construction
A typical retaining wall construction in Mercer Island can involve excavation, waterproofing, rebar, drainage — and we put the full scope in writing so you know exactly what's covered before work starts.
Drainage and waterproofing are scoped alongside the structure so the repair actually lasts.
How much does a retaining wall construction cost in Mercer Island?
Most retaining wall construction projects in Mercer Island fall between $6,700 – $33,500, 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
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.
Local crews who know Eastside permitting, inspections, and the way Pacific Northwest weather tests a home.
Our Mercer Island foundation & concrete process
Handoff includes a detailed walkthrough and a written warranty — not a crew that vanishes the moment the dust settles.
Each phase is inspected and documented, and we keep you updated so you always know what's happening and what's next.
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 offer a retaining wall construction in Mercer Island, WA?
Yes. Engineered concrete and block retaining walls. Xion Build is a licensed, bonded, and insured foundation & concrete contractor serving Mercer Island and the surrounding WA communities.
Do you handle permits and inspections?
Yes. We manage permit applications, schedule inspections, and coordinate any required engineering so the work passes cleanly 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.
How much does a retaining wall construction cost in Mercer Island?
Most retaining wall construction projects in Mercer Island run $6,700 – $33,500, 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.
What should we decide before starting a retaining wall construction?
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.
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