Your Local Basement Waterproofing Experts in Port Townsend

Looking for dependable basement waterproofing, Port Townsend residents call Three Brothers Waterproofing first. Port Townsend is a small city in Jefferson County, and its marine / oceanic climate defines the work we do here.

Across Port Hadlock-Irondale to Marrowstone, our crews cover Port Townsend and the wider northwest Washington, tackling the basement waterproofing problems that come with Jefferson County's warm, dry summers and heavy winter rainfall. We know the local properties and route efficiently across all 1 ZIP codes.

Every Port Townsend job comes with a solid workmanship guarantee and a flat-rate quote you sign off on before we start - no hidden fees. That's why Port Townsend homeowners keep calling Three Brothers Waterproofing.