KT Building Supply
Countertop Fabricator in Tukwila, Washington

Customer Reviews
About KT Building Supply
KT Building Supply operates in Tukwila, Washington, a city in the heart of the South Seattle metro known for its commercial corridors and mix of residential neighborhoods. With 54 reviews and a 2.8 rating, they've handled a high volume of customer interactions, though the rating suggests inconsistent experiences. Their combined cabinetry and countertop services make them a potential one-stop option for kitchen and bath remodels. You can reach them at (206) 262-1138 for a free estimate.
Materials
Services
Services and Process
KT Building Supply provides custom countertop fabrication and installation alongside cabinetry, which means they can coordinate countertop work with a full kitchen or bathroom cabinet build-out. Their countertop services include precise template measurement, edge profiling in a range of styles, and sink cutouts for your chosen basin configuration. Kitchen and bathroom vanity tops are both within their scope. As a building supply operation, they may also carry a broader selection of slab materials on hand compared to smaller specialty fabricators.
What Sets Them Apart
Tukwila sits close to major transportation routes and is near large retail and commercial zones, which positions suppliers here to serve both homeowners and contractors working across the South King County area. A building supply model can mean more material options under one roof, which is useful when a contractor is sourcing cabinets and countertops for multiple units at once. Trade customers managing multi-project workflows may find this setup efficient.
How the Process Works
You'll start by visiting or calling to discuss your countertop material options and get a free estimate on fabrication and installation. Once materials and specs are confirmed, a technician measures and templates your space to ensure the slab is cut to exact dimensions. The fabricated countertop is then delivered and installed, with the crew completing any sink cutouts on-site. If you're also sourcing cabinetry through KT Building Supply, coordinating both orders through a single contact can simplify the project timeline.
Service Area
KT Building Supply is based in Tukwila and serves customers throughout South King County, including Renton, SeaTac, Burien, and parts of South Seattle. Their location near major arterials makes them accessible for contractors and homeowners across a wide service area. Call (206) 262-1138 to discuss your project location and confirm service availability.
Frequently Asked Questions
Can KT Building Supply handle both cabinets and countertops in the same project?
What should I make of a 2.8 rating with 54 reviews?
Do building supply stores carry more slab options than specialty fabricators?
How does countertop fabrication work when cabinets are being installed at the same time?
Is Tukwila a convenient location for contractors working in South Seattle or Renton?
What edge profiles work best for a kitchen with young children?
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