Your Local Basement Waterproofing Experts in Cousins Island

When it comes to trusted Basement Waterproofing in Cousins Island, Cousins Island residents call Three Brothers Waterproofing first. Cousins Island is a small community in Cumberland County, and its humid continental climate shapes the work we do here.

Throughout Littlejohn Island to Falmouth Foreside, our crews serve Cousins Island and the wider southwest Maine, tackling the basement waterproofing problems that are common to Cumberland County's warm summers and year-round precipitation. We understand the local homes and route efficiently across all 1 ZIP codes.

Each Cousins Island job comes with a solid workmanship guarantee and a flat-rate quote you sign off on before we begin - no surprises. That's how Cousins Island residents keep calling Three Brothers Waterproofing.