We work out of one shop in Bellevue and cover both counties from it. In King County that means Seattle and Shoreline, the Eastside from Medina and Mercer Island through Bellevue, Kirkland, Redmond, Sammamish, Issaquah, Newcastle and Renton, the north end through Kenmore, Woodinville and Cottage Lake, and the Snoqualmie Valley towns of Duvall, Snoqualmie and North Bend. In Snohomish County it covers the south-county cities of Edmonds, Lynnwood, Mill Creek and Mukilteo, Everett itself, and then Snohomish, Monroe, Lake Stevens, Marysville and Arlington further north and east. Bothell sits on the line between the two counties, and we work both halves of it.
One thing holds true of every floor in both counties: it moves. We get a long wet season and a genuinely dry summer, and indoor humidity swings far enough between the two that solid wood flooring expands and contracts on an annual cycle you can measure. Boards shrink through the dry months and take some of it back once the rain returns, which is why a gap that looks alarming in late August can be half its width by December. It is also the reason we will not pack a gap at its widest — filler pushed in during the open season gets crushed and spat back out when the boards swell.
After that, what drives the repair is what the floor is made of rather than which city it is in. Older housing across both counties tends to be solid hardwood — vertical-grain Douglas fir in the pre-war houses, narrower strip oak in the post-war ones. Newer construction is a different problem: the Eastside build-out and the subdivisions spreading north through Snohomish County are largely engineered hardwood, laminate and LVP. Those do not sand — engineered wear layers are frequently thinner than a credit card — so the fix is nearly always plank replacement, and the difficult part shifts from carpentry to sourcing a product that may have been discontinued years ago.
Every city we serve has its own floor repair page covering the housing there and the failures that keep coming up. If yours is on the list, start there. If it is not, the same crew, the same matching process, the same written pricing and the same 1-year workmanship warranty apply anywhere in King or Snohomish County. Call (425) 595-1079 and we will come out and look at it.