Class One Donuts
Known for: Second-generation craft donuts
1804 E Rte 66
Glendora, CA 91740
Monday: 5:00 AM – 2:00 PM; Tuesday: 5:00 AM – 2:00 PM; Wednesday: 5:00 AM – 2:00 PM; Thursday: 5:00 AM – 2:00 PM; Friday: 5:00 AM – 2:00 PM; Saturday: 6:00 AM – 2:00 PM; Sunday: 6:00 AM – 12:00 PM
Run by married proprietors Crystal Quach and Jason Luu, who both grew up in Southern California donut families (Quach's parents run shops in Perris and South Gate, and Ted 'The Donut King' Ngoy is her uncle) and left corporate jobs to carry on the tradition. Sits on Route 66 in the same foothill town as The Donut Man.
Owned and run by married couple Crystal Quach and Jason Luu, per The Infatuation (2021/2022) and Citrus College's Logos Magazine.
Last checked 9/25/2026

