The 32-point win was the largest margin of victory for the Celtics this season.
Boston took control of the game from the outset and led 17-4 on Walker's 3-pointer with 5:45 left in the first quarter. The Celtics made it a 20-point lead midway through the second quarter on a layup by Walker and the Warriors didn't threaten the rest of the way.
The Warriors shot just 22 per cent from the field in the first half and went into halftime down 55-34.
The win avenged a 14-point loss at Golden State two weeks ago. The Celtics have won three of four games since acquiring Kenny Anderson.
Walker, who played just 27 minutes because of the blowout, finished the first half with 17 points, 7 rebounds and 6 assists. Anderson had 10 assists and has 19 assists in the past two games without a turnover.
Celtics reserve Dontae Jones scored a career-high 15 points, all of it coming in the second half after Boston had built its lead.
The Celtics have won four of their last five games and three straight at home. Golden State has dropped 13 of its last 15 on the road.
The Warriors were led by Jason Caffey, who had 21 points and 10 rebounds.
NOTES:Ron Mercer entered the game averaging 18.4 ppg in the last nine contests since the All-Star break. ... Golden State dropped to 1-11 on the road against Eastern Conference teams. ... Dampier and Celtics reserve Dontae Jones were teammates for the 1996 Mississippi State Final Four club. ... Jones sank a trio of 3-pointers, his first in the NBA, after missing on his first nine attempts this season.
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