The Celtics played their fifth straight game without star forward Kevin Garnett, who is out with an abdominal strain.
The Clippers were led by Corey Maggette with 33.
Boston had an 84-81 advantage after three quarters and then scored the first six points of the final period. Eddie House made a three-pointer with the shot clock running down to give Boston a 107-96 advantage with 1:27 to play.
2014: The Year in Music [PHOTOS]