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    Coffee By Sergio

    4.5 (13 reviews)
    Closed 3:30 pm - 8:00 PM
    Updated 2 months ago

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    7 months ago

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    1 year ago

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    2 years ago

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    3 years ago

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    3 years ago

    Love the coffee it is the best and they also offer a lot of flavors. They have sugar free options and caffeine free for the kiddos.

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    3 years ago

    No words other than the best coffee!!Always has the best drinks! And staff really friendly

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    3 years ago

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    3 years ago

    Very good coffee! It tastes very good and I like the cute little truck. The guy who takes our order is really nice and funny.

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    2 years ago

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    Ask the Community - Coffee By Sergio

    Where are you ? We're here at the shoppes because the hours posted and can't find you guys? We drove from over 40mins away :///

    Hello, You can find us at local farmers markets throughout the inland empire in Southern California. We currently vend Wednesday - Saturday in the following cities; Wednesday Chino Hills, CA., Thursday Woodland Hills, CA., Friday Baldwin Park, Ca.,… Read more

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    Review Highlights - Coffee By Sergio

    My honest review is this coffee is amazing I always get a caramel vanilla iced coffee with lechera and caramel around the cup.

    Mentioned in 2 reviews

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    Was finally in town early enough to stop by! I always love how pretty, floral, and pink the inside…read moreof this shop is! It's super cute!! And despite being a "small" space, there always seems to be plenty of seating, which is such a plus. This time I tried the Tiramisu Matcha. The tiramisu definitely added sweetness to the matcha. It was good, but I think next time I'd love to try one of the other matchas on the menu! Also, shoutout to how quickly they finished making both my drink and my friend's!

    I visited for the first time and unfortunately didn't have a great experience. When I ordered my…read moredrink, someone at the counter yelled my order across the shop even though there were only about three customers inside, which felt unnecessary. When I walked away, the barista also made a comment about the decaf drink that came across irritated. My friend had ordered a decaf beverage as well around the same time. While I was trying to focus on some work, one of the employees from the counter sat with a friend near the cashier area and they were speaking very loudly. Their conversation included comments about someone being Asian and arguing about whether someone was Black. It felt uncomfortable and unprofessional to overhear that kind of conversation while sitting in the shop. I hope the staff receive some basic customer service and professionalism training, as the atmosphere made it difficult to enjoy the space.

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    Grid Coffee - Hot Vanilla Latte to go with

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    Coffee and matcha: 10/5 -creamy, rich, not too sweet…read moreService great -coffee gets made fast Vibes good - good for studying, seating got cushions now Come here at least one every week

    This review is LONG OVERDUE! :) I've been coming here since December 2021 & it's hands down my…read morefavorite coffee shop in Diamond Bar. I'm a matcha person so I've only ever gotten their matcha, and if not just their strawberry hibiscus (no longer served), herbal tea, and strawberry milk. I love their selection of matcha: strawberry with chunks. One of the best I've had! Their blueberry matcha is pretty delicious also. The customer service is great. Everyone is kind and efficient. I'd say the baristas kind of keep to themselves though and aren't overly enthusiastic. But overall, still welcoming & nice! The atmosphere is simple with wood seating areas. I like it. However sitting for a long duration can be a little uncomfortable since there's not much back support, but luckily they have a basket with padded pillows to sit on. Recently they added tables along the corner nook area which is great! Aside from that they have little tray-like table tops to set your drinks on or laptops/books/etc; while working. There's also plenty of outlets which is a plus. Not to mention they always seem to have a good playlist goin' :) Oh! & they have outside seating as well underneath shaded umbrellas. My only complaint is it gets really hot in there during the hotter months. Especially since they're facing south and catch all the direct light early on in the day. Don't get me wrong, I love the natural lighting! It's just more prone to getting hotter & I'm not sure if they have A/C. I'm sure they probably do but it's never been exactly cold in there like most coffee shops, mainly room temperature. All in all Grid is a great spot! I highly recommend :)

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    Platform 909 is hands down my favorite coffee shop in Chino Hills. They have such a wide range of…read moredrinks and pastries, which I love because there is always something new to try or something to perfectly match my craving. The pesto chicken sandwich is bomb, especially with the chips and nacho cheese on the side. Random combo, but so good lol. Their coffee cake is seriously to die for and always hits the spot. The shop itself is super cute and cozy with beautiful plants that make the whole space feel warm and inviting. It is the kind of place you actually want to sit and stay awhile. The staff is always great, friendly, and welcoming which makes the experience even better. Honestly, this place always satisfies my cravings and I could come here every day without getting tired of it!

    First off this place is decor in this coffee shop amazing and Harry Potter inspired. If you are a…read moreHarry Potter enthusiast like myself. They have a wide variety of sandwiches, pastries, and coffee. The wait staff was so helpful accommodating they helped me navigate the menu and gave me a great option for my mom and I. We made it a Harry Potter day prior to going to Universal Studios. It really was a great experience. Clean establishment, also love coming here just to relax and study. I recommend Platform Butterscotch Latte Ham & Cheese Bagelwich

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    Coffee By Sergio - coffee - Updated May 2026

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