South St. Louis County Real Estate View 267 listings HomeGuidesSouth St. Louis County Guides Cottleville / Weldon SpringDefiance / New Melle / AugustaLake St. Louis / Wentzville / ForistellMid/Central St. Louis CountyNorth St. Louis CountyO’Fallon / Dardenne PrairieSouth St. Louis CountySt. Charles / St. PetersTroy / Moscow Mills / Hawk PointWarren CountyWest St. Louis CountyForeclosuresLuxury HomesNew Construction