South St. Louis County Real Estate View 123 listings HomeGuidesSouth St. Louis County Guides Maplewood / Richmond HeightsSt. Charles CountyBrentwoodJefferson CountyFlorissantNorth St. Louis CountySt. Louis CityMid St. Louis CountyClayton / LadueSouth St. Louis CountyFestus / DeSotoSt. Louis CountyOPEN THIS WEEKENDLuxury Homes