Sam Landerholm made five 3-pointers and finished with 27 points, leading the Spudders to the 28-point home victory.
Michael Potter had nine points, 14 rebounds, four assists, and three steals for Ridgefield.
Michael Schwinof added 16 points for Ridgefield, which improved to 7-2 in Trico League play.
Ridgefield led by 13 at halftime, then scored 42 second-half points.
RIDGEFIELD 76, CASTLE ROCK 48
CASTLE ROCK — C. Johnson 0, Nate Williamson 12, Will Dolan 13, Ty Johnson 2, Mason Klingberg 0, Austin Els 0, Austin Moore 10, Ed Brister 0, Austin Gehring 9, Zack Sheldon 2. Totals 14 (6) 14-26 48.
RIDGEFIELD — Michael Potter 9, Sam Landerholm 27, Michael Schwinof 16, Brady Williams 1, Max Ballantyne 8, Marques Segundo 1, David Potter 9, AJ Olson 0, Kyle Morris 0, Josh Mason 5. Totals 30 (5) 11-20 76.
Castle Rock 8 13 12 15—48
Ridgefield 19 15 20 22—76
JV — Ridgefield won.