He joined the Sydney Kings in 1988 after playing two seasons and 51 games at the Hobart Devils. In 1988 and 1989 he was named in the All-NBL second team, and continued to rank high in the steals and assists on an annual basis. During his NBL career, Carfino amassed 3,089 points at an average of 23.4 points, as well as having 750 assists, 501 rebounds and 378 steals. His highest score in his NBL career was 52 which he achieved twice, as well as scoring over 40 points five times more.