Jimmy John's — Restaurant in Diamond Bar

Been wanting to try them for awhile. Very clean sandwich shop in Diamond Bar. They deliver but don’t know any details about that. There’s 2 sub sandwich sizes to choose from. An 8 or 16 inch subs. The 8 inch sub was perfect for me. Other places 6 inch subs don’t fill me up and 12 inches is too much. 8 inch hits the sweet spot. Ordered the gargantuan sub, very generous meat portions. Will come back again. If you haven’t tried them yet I would recommend. You will love the portions and flavors with their great...

Very disappointed with this location! I have visited the Glendora store on 2 occasions. This was a first time visit for my husband and son. Not a good experience. Taste like a plain dry sandwich because they hardly put any mayo. Very skimpy on the extra ingredients you add. Pretty bad when you cant taste vinegar and oil or spicy peppers. At no time do they tell you that they charge an extra $1 for wheat bread. $32 for 3 sandwiches, 2 bags of chips, and 2 drinks. Don't waste your time or money at...

First time trying JJ. Two sizes and I had the smaller size because I’m dainty like that. I was a bit disappointed in the meat. Although a large selection of sandwiches, the regular roast beef is just meat no cheese. Not sure what that is all about. Bread was bland, meat a bit salty and flavor very mildly. Veggies were ok but lettuce was finely shredded which removes a crunch. Although they did off cucumbers which is a bonus for me I was disappointed in my sandwich. PS, not hot...