Your Local Basement Waterproofing Experts in Cottage Grove

For trusted Basement Waterproofing in Cottage Grove, Cottage Grove residents trust Three Brothers Waterproofing first. Cottage Grove is a small city in Dane County, and its humid continental climate shapes the work we do here.

Across Sun Prairie to McFarland, our crews serve Cottage Grove and the wider southern Wisconsin, tackling the basement waterproofing problems that are common to Dane County's warm, humid summers and year-round precipitation. We know the local homes and move fast across all 1 ZIP codes.

Each Cottage Grove job comes with a written workmanship guarantee and a flat-rate quote you approve before we start - no guesswork. That's why Cottage Grove homeowners keep calling Three Brothers Waterproofing.