Buttercup Concord

Bring family, friends, and colleagues together at Buttercup Diner in Vallejo! Conveniently located at 3288 Sonoma Boulevard, Buttercup offers a warm, inviting atmosphere, delicious American comfort food, and the genuine hospitality that has made us a Bay Area favorite since 1988. From birthday parties and baby showers to family reunions, corporate gatherings, graduation celebrations, and celebrations of life, Buttercup provides a comfortable and welcoming setting for life's special occasions. Our menu features everything from hearty breakfasts and brunch favorites to fresh salads, delicious sandwiches, and classic American entrées. With a variety of dining options, we make it easy to create a gathering that suits your guests and occasion. Whether you're celebrating a milestone or simply bringing loved ones together, our friendly team is here to help make your event relaxed, enjoyable, and memorable. **At Buttercup Diner, great food, warm hospitality, and meaningful moments come together. We look forward to hosting your next special event!**