Your Local Basement Waterproofing Experts in DuPont

For trusted basement waterproofing, DuPont homeowners call Three Brothers Waterproofing first. DuPont is a small city in Pierce County, and its marine / oceanic climate shapes the work we do here.

Throughout North Fort Lewis to Ketron Island, our crews cover DuPont and the wider western Washington, handling the basement waterproofing problems that are common to Pierce County's warm, dry summers and heavy winter rainfall. We know the local properties and move fast across all 1 ZIP codes.

Each DuPont job is backed by a written workmanship guarantee and a flat-rate quote you sign off on before we start - no hidden fees. This is why DuPont homeowners recommend Three Brothers Waterproofing.