Francine L.
12/9/2025
Can a coffee place in Diamond Bar be this good? Yes, and that place is Grid Coffee. The store's simple layout shines brightly with the bold flavors it offers. I love their lavender latte, and...
Grid Coffee
$$
Open
(535)
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1139 S Diamond Bar Blvd Ste B
Diamond Bar, CA 91765
Grid Coffee, located in Diamond Bar, CA, is a charming café that seamlessly blends a minimalistic aesthetic with a tranquil atmosphere, making it an ideal destination for both relaxation and productivity. Patrons can enjoy a diverse menu featuring unique beverages like the Blue Lavender Matcha and Iced Dalgona Latte, alongside a carefully curated tea selection, all served by friendly staff in a welcoming environment.
The spacious interiors and communal seating foster a sense of community, inviting customers to connect over their favorite drinks. With free parking and ample outlets, Grid Coffee is not just a coffee shop but a hub for locals seeking quality beverages and a peaceful space to work or socialize.
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Reviews
4.5535 reviews
Gabe O.
12/1/2025
Dropped into Grid Coffee while I was in the neighborhood. It was a cold, rainy day but the parking lot had plenty of spaces and the line moved quickly. Ordered a hot vanilla latte and a brownie...
Miori I.
11/21/2025
On a cold, rainy day, I needed a caffeine fix near Mt. Sac and found Grid Coffee thanks to Yelp. The photos and menu sold me instantly! From the parking lot, I thought it was just a small spot...
Brianna C.
12/14/2025
Second time at Grid Coffee, and they definitely know what they're doing over there!! Although I was a bit bummed that they no longer use Stereoscope Coffee beans, I wasn't disappointed in the...
Sophia H.
11/8/2025
From the outside, this coffee shop looked deceivingly small and narrow. However, we were greeted by a wide, open space and a high ceiling when we stepped in. The interior has a minimalistic,...
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