Lauren S.
8/22/2025
Great selection of flavors and quality cupcakes. Ordered for parties and work events and always a hit! Favorite flavors include: Carrot, Chocolate, Salted Caramel
Sibby's Cupcakery
$$
Closed
(1,013)
Photos
716 S Railroad Ave
San Mateo, CA 94401
Sibby's Cupcakery is a nut-free bakery located in downtown San Mateo, California, renowned for its delightful assortment of cupcakes and themed designs. Voted Best of the Best by Bay Area Parent Magazine for eleven consecutive years, the bakery takes pride in offering a variety of classic and custom flavors to satisfy every sweet tooth.
Among their offerings, customers can enjoy special monthly sampler flavors, including Jimmie Cake and Pumpkin Spice, along with popular classics like Butter Cup and Red Velvet. The signature Midnight Magic cupcake, with its five layers of chocolate decadence, is a must-try for chocolate lovers looking for an indulgent treat.
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Reviews
4.51,013 reviews
Sandra L.
8/30/2025
Amazing and kind service. Professional for catering two dozen cupcakes for a party. The cake is on the denser side and pretty sweet frosting. Other than that it was delicious :)
Patricia L.
7/26/2025
Favorite cupcake shop in the peninsula that's hidden a few blocks away from the heart of downtown San Mateo. You really can't go wrong with any of their cupcake flavors (seasonal flavors rotate...
Jiavani H.
10/12/2025
Out in the area and wanted something sweet. Stumbled upon a cupcake shop and they were absolutely good. The cupcake hit the spot for sure!
Joyce H.
4/18/2025
Found this cupcake shop randomly on a drive and loved the cupcakes. It's hidden in an industrial area but don't let that fool you. They have great cupcakes. I recommend giving it a try. I bought a...
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