The 1989–90 NBA season was the Detroit Pistons' 42nd season in the National Basketball Association, and 33rd season in the city of Detroit. The team played at the Palace of Auburn Hills in suburban Auburn Hills, Michigan. As the defending champions, the Pistons had another successful season winning 13 consecutive games around January and February, holding a 35–14 record at the All-Star break, then posting a 12-game winning streak in March, as they finished first place in the Eastern Conference with a 59–23 record.