The Celtics outscored the Kings in all four quarters on their way to a 113-95 win in Sacramento.
Jayson Tatum tallied 25 points and Payton Pritchard had 22 off the bench for Boston, which has won six straight and 11 of its last 12 overall.
DeMar DeRozan posted 20 points and 10 assists for the Kings, who have dropped three in-a-row.
Sacramento remains ninth in the West, but now sits just a half-game ahead of Phoenix and Dallas.
Domantas Sabonis racked up 16 points and 17 rebounds in the setback.
(Photo by Thearon W. Henderson/Getty Images)
Photo: Thearon W. Henderson / Getty Images Sport / Getty Images