In his rookie year at the University of Washington, Justin started in 32 out of 33 games and was named to the All-Pac-10 freshmen team by the coaches in the league.
After his senior season concluded at University of Washington, Justin accumulated 1,425 points which tied for 12th all-time in UW's history with Bill Hanson; he finished fourth on the UW three point field-goals list with 133 field goals made.