The winning streak is the club's longest since a five-game run Feb. 21-March 1.
With the win. the Trail Blazers pulled within 1 1/2 games of the Houston Rockets for fourth place in the Western Conference.
Nick Young dropped a season-high 40 points in a reserve role for the Lakers, who have lost three of their last four games.
Former Titans kicker dies in car crash
UPI Sports Results for September 20, 2014