Skal Labissiere had 19 points to lead the Kings, who have lost three of four.
Dallas snapped a five-game losing streak by holding Sacramento to 40.9 percent shooting from the floor, including 26.1 percent from 3-point range.
Doug McDermott had 15 points and five rebounds off the bench for the Mavericks, while Aaron Harrison and reserve forward Johnathan Motley added 10 points apiece. Dallas shot 45 percent from the field and 35 percent from beyond the arc.
Willie Cauley-Stein added 13 points, six rebounds and four steals, and Buddy Hield added 14 points off the bench for the Kings, who outrebounded the Mavericks 45-43.
Dallas stretched its lead to as much as 18 points in the fourth quarter, using a 9-0 run to create a huge cushion, before the Kings fought back late in the game.
Hield had seven points in a late 93-second spurt as Sacramento cut the deficit to five with 41.1 seconds left on a Hield layup. Harrison made a pair of free throws with 29 seconds left, Frank Mason III hit two from the line for the Kings, and Kyle Collinsworth added one more free throw for Dallas before Hield missed a 3-pointer with 10 seconds left and the Mavericks ran out the clock.
Dallas went ahead by five after the first period and went into halftime up 53-45 behind 16 first-half points from Barnes on 5-of-8 shooting. Smith had 15 points in the first half.
Kosta Koufos had 15 points and seven rebounds in 14 first-half minutes to lead the Kings, but he didn't play after the break.
Sacramento remains home for two more games, Thursday against the Indiana Pacers and Saturday against the Golden State Warriors, before heading on the road for four games.
Dallas stays in California with a visit to Staples Center to meet the Los Angeles Lakers on Wednesday before returning home to face the Minnesota Timberwolves on Friday.
--Field Level Media
Dallas | Sacramento | |
Harrison Barnes 20 | Scoring | Skal Labissiere 19 |
Harrison Barnes 6 | Assists | De'Aaron Fox 6 |
Maxi Kleber 9 | Rebounds | Justin Jackson 8 |
Harrison Barnes 5 | Free Throws Made | Frank Mason 6 |
Yogi Ferrell 2 | Steals | Willie Cauley-Stein 4 |
Kyle Collinsworth 2 | Blocks | Bruno Caboclo 1 |
Team | Points | FG% | 3PM-3PA | FTM-FTA | Assists | Rebounds | Blocks | Steals | Turnovers |
Dallas | 103 | 45.0 | 14-40 | 17-25 | 25 | 43 | 9 | 7 | 13 |
Sacramento | 97 | 40.9 | 6-23 | 15-19 | 25 | 45 | 6 | 6 | 10 |