About Den Ouden Contracting

Den Ouden Contracting is a Ballarat-based business, run by father and son, Bill & Billy Den Ouden.

Bill began his career as a licensed drainer, starting his own small earthworks and septic installation business in 1983.
Billy joined him in 1991 and they soon expanded into the world of land subdivisions, becoming ‘Den Ouden Contracting’ in 2003.

With a combined 50+ years’ experience, Den Ouden Contracting has serviced Ballarat and surrounding districts with various major subdivision projects, including the 7 stage – Winter Valley Rise, and more than 2000 septic tank installations.