Riddle is the 11th Lobo player to reach the milestone and the first since Lisa Meter in 2010.
The Lobos improve to 15-4 overall and 6-3 in the Mountain West while the Spartans drop to 5-14 overall and 2-6 in league play.
Riddle added seven digs and four blocks.
Senior Lexi Ross tallied 10 kills and had three blocks.
Redshirt sophomore Hannah Johnson made it a baker's dozen in double-doubles for the season with 38 assists and 11 digs.
New Mexico hit .217 in the match and used 12 blocks to hold the Spartans to .167 hitting accuracy.
New Mexico travels to Lubbock, Texas for a non-conference match at Texas Tech on Wednesday, Oct. 23. The Lobos host Nevada on Saturday, Oct. 26 for their annual "Dig Pink" match.
Set One - Lobos 25, SJSU 13
The Lobos used five kills and four blocks to jump ahead of the Spartans, 11-6, early in the first set and cruised to a 25-13 win.
New Mexico finished set one with seven total blocks to hold the Spartans to -.050 hitting in set one. The Lobos had nine kills on 32 swings and committed no errors for a .281 attack percentage.
Set Two - SJSU 25, Lobos 18
UNM was plagued by miscues in the second set, committing seven attack errors and botching three serves. The miscues allowed the Spartans to jump to an early 13-9 lead which resulted in a 25-18 set two win for the home team.
Set Three - Lobos 25, SJSU 21
The Lobos trailed by two points, 11-13, before an attack error by the Spartans followed by back-to-back aces by Lovato and a kill by Riddle put the Lobos ahead 15-13.
The Spartans charged back and tied the set at 16-all, but back-to-back kills by Ross and an SJSU error gave the Lobos the advantage, 19-16. San Jose State threatened, 20-20, before a kill by House gave the Lobos the lead again. UNM closed out the set a few plays later, 25-21.
Set Four - Lobos 25, SJSU 23
New Mexico opened set four, 4-0. Highlighting the run were back-to-back solo blocks by Warren. The Spartans fought back, tied the set at 6-6 and went point-for-point with the Lobos until three-consecutive points by the Spartans pushed them ahead, 19-16.
UNM answered in a big way, stepping up its net play and going on 6-1 run to take a 22-20 lead. The spurt was sparked by kills from Riddle and Warren and a Krieg-Riddle stuff.
San Jose State slowed the Lobos down a bit, but UNM closed the set, 25-23, and took the match, 3-1.