Howard H.
10/2/2025
For the pass three months, I been coming here. I would meet up with friends, and family. I'm hung up, with old-fashioned burger, plus onion rings drinks would be coffee and water. Your servers are...
Buttercup
$$
Open
(551)
Photos
3288 Sonoma Blvd
Vallejo, CA 94590
ButtercuP is a beloved family diner that has been serving the East Bay community for over 30 years, offering fresh and delicious meals for breakfast, lunch, and dinner. Founded by David and Debbie in 1988, ButtercuP was born out of their desire to find a restaurant that provided both quality food and a casual atmosphere suitable for families.
With multiple locations in Oakland, Walnut Creek, Vallejo, and Concord, ButtercuP has become an East Bay tradition, welcoming locals and visitors alike to enjoy their hearty menu, which includes family meals, kids' meals, desserts, and cocktails. Whether you're craving a comforting breakfast or a satisfying dinner, ButtercuP is the go-to spot for a delicious and enjoyable dining experience.
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Reviews
3.5551 reviews
Sasha C.
10/14/2025
Service was nice. But this place is more so like a Dennys a quick diner type situation. Not an elevated or aesthetic vibe. Came here on a whim with a friend we wanted to have breakfast and it...
Bethy B.
8/7/2025
Buttercup is an absolute hidden gem, delicious food, friendly staff, clean restaurant and restrooms, fair prices and nice portions. They are very kid friendly and the kids menu has lots of...
tina a.
8/10/2025
Buttercup is a step above its peers, I.e. IHOP, Black bear, Huckleberry's. You know you will always get good quality food here and rarely have to wait to be seated. I was bummed to order a burger...
Malu D.
8/23/2025
My husband and I were ravenous at 1:30 P.M., after taking care of an errand we had to attend to in Vallejo, so I searched for a place to eat within the vicinity. "Buttercup," a diner, popped up...
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