Your Local Basement Waterproofing Experts in Bainbridge Island

For reliable basement waterproofing, Bainbridge Island residents choose Three Brothers Waterproofing first. Bainbridge Island is a mid-sized town in Kitsap County, and its marine / oceanic climate defines the work we do here.

Throughout Enetai to Keyport, our crews serve Bainbridge Island and the wider western Washington, handling the basement waterproofing problems that are common to Kitsap County's warm, dry summers and heavy winter rainfall. We understand the local properties and route efficiently across all 2 ZIP codes.

Each Bainbridge Island job comes with a written workmanship guarantee and a flat-rate quote you sign off on before we begin - no surprises. That's why Bainbridge Island residents trust Three Brothers Waterproofing.