The club was formed in 1997 as Epsom Dynamos, but later became fully incorporated as part of Walcountians Sports Club and became known as AFC Walcountians in 2004. Being dedicated to youth football, the club launched its first senior side for the 2015–16 season in the Redhill & District League Division One. In 2017 the club joined the
Surrey South Eastern Combination Junior Division One and won the league in the first season. In the 2020–21 season the club won the Intermediate Division One and earned promotion into the
Surrey Premier County League In 2025 the club were promoted into the
Southern Combination Football League Division One for the 2025–26 season. ==Ground==