From foundation excavation to full site development, KL Development delivers dependable earthmoving and general contracting for homeowners, builders, and developers across King and Snohomish County, WA — Seattle to Everett, Bellevue to Marysville.
Whether it's a residential lot, a commercial pad, or full site development, KL Development brings the equipment, crews, and local site experience to get Western Washington ground build-ready.
From foundation digs to full bulk earthmoving, KL Development brings the equipment, crews, and site experience to move dirt efficiently and safely — built for King & Snohomish County's clay-heavy, wet-season ground conditions.
Learn MoreWe prep raw or cleared land into a build-ready pad — cutting, filling, and fine-grading to plan so your framing crew, paving contractor, or landscaper can start on solid, compliant ground.
Learn MoreWhether it's wooded acreage or an existing structure standing in the way of your project, our crews clear, demo, and haul it out cleanly and to code — permits and disposal handled.
Learn MoreWe trench and install the underground infrastructure your project depends on — water, sewer, storm, and electrical — coordinated tightly with your other trades to keep the schedule moving.
Learn MoreAs your general contractor, KL Development manages the full build — scheduling subs, coordinating inspections, and keeping site work, structure, and finish trades moving together on time and on budget.
Learn MoreWestern Washington's wet season punishes sites without proper drainage. We design and install drainage and erosion-control systems that protect your build during construction and for years after.
Learn MoreA straightforward process, start to finish — so you always know what's happening on your site and when.
From single residential lots to multi-acre commercial development, KL Development scopes and staffs the job to fit.
KL Development runs crews and equipment throughout the greater Seattle-Everett corridor — if you're breaking ground anywhere in King or Snohomish County, we can get equipment on-site.
We're a Washington-based general contractor that shows up, communicates clearly, and runs equipment efficiently — no subcontractor guesswork, no surprise change orders.
From a same-week estimate to full site development, KL Development is ready to scope your project across King & Snohomish County.
Share a few details and our team will get back to you within one business day with next steps.
No sales runaround. We look at your site, scope the work, and give you a real number.