Your Local Basement Waterproofing Experts in Bothell

For dependable basement waterproofing, Bothell residents trust Three Brothers Waterproofing first. Bothell is a mid-sized town in King County, and its marine / oceanic climate shapes the work we do here.

Throughout Bothell East to Kenmore, our crews cover Bothell and the wider western Washington, handling the basement waterproofing problems that are common to King County's warm, dry summers and heavy winter rainfall. We understand the local properties and route efficiently across all 3 ZIP codes.

Each Bothell job comes with a written workmanship guarantee and a flat-rate quote you approve before we start - no hidden fees. That's how Bothell homeowners keep calling Three Brothers Waterproofing.