Sibby's Cupcakery

Sibby's Cupcakery No substitutes, no shortcuts—with extra smiles on top! Voted Best Party Food by Bay Area Parent and the "center of the cupcake universe" by the Bay Guardian.
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Sibby's Cupcakery is a nut-free bakery specializing in classic and custom cupcakes made the old-fashioned way: crafted from scratch and baked fresh daily, using only the finest ingredients. We've been specializing in custom cupcakes made the old-fashioned way since 2004 . Baked to order from scratch using only the finest ingredients. No substitutes, no shortcuts. With extra smiles on top.

Congratulations to 🎊,the winner of our Sibby’s Sampler giveaway for June!🧁Please give us a call to schedule a pickup da...
06/14/2026

Congratulations to 🎊
,the winner of our Sibby’s Sampler giveaway for June!🧁
Please give us a call to schedule a pickup date and time to collect your prize.🧁
Thanks to everyone who entered - well do another giveaway in July!

We have a great selector of cupcakes for sale in store and are open today until 2 pm!

Happy Pride Month! Time to celebrate by re-watching Heated Rivalry for the 10th++ time! Cheers to love in all forms, sun...
06/13/2026

Happy Pride Month! Time to celebrate by re-watching Heated Rivalry for the 10th++ time! Cheers to love in all forms, sunshine, and happy endings for all. 🌈❤️🧡💛💚💙💜

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We’re all in on World Cup fever over here—can you feel it!? ⚽ 🏆 🌏 The FIFA World Cup is coming to Santa Clara for 6 epic...
06/12/2026

We’re all in on World Cup fever over here—can you feel it!? ⚽ 🏆 🌏 The FIFA World Cup is coming to Santa Clara for 6 epic matches from June 13 through July 1, and we’ve got the perfect sweet treats for your watch parties! 🙌 Give us a call to place your order for pickup or delivery, and ask for our World Cup decorations. We can customize your order with the colors (and team jersey) of your choice!

Today’s the perfect day to enjoy our light and refreshing Lemon Meringue cupcake! 🍋 It’s made with fresh-squeezed lemon ...
06/11/2026

Today’s the perfect day to enjoy our light and refreshing Lemon Meringue cupcake! 🍋 It’s made with fresh-squeezed lemon juice and lemon zest, filled with homemade lemon curd and topped with toasted meringue frosting. Stop by and try one today! ☀️

🎁IT’S GIVEAWAY TIME!🎁Enter for a chance to win our June Sibby’s Sampler Box (that’s 12 mini cupcakes, 2 of each of our 6...
06/10/2026

🎁IT’S GIVEAWAY TIME!🎁
Enter for a chance to win our June Sibby’s Sampler Box (that’s 12 mini cupcakes, 2 of each of our 6 sampler flavors, with our classic signature decorations)! All you need to do is follow these 4 steps:

📲Follow us on Instagram or Facebook

❤️Like this post

🔖Tag a friend on this post

The Bay Area is hosting 6 FIFA games in Santa Clara. Let’s hear it, who do you think will win the World Cup this year? ⚽️ Comment below

The flavors for this month are:
🎊Confetti Surprise
👵🏻Grandma’s Chocolate Tea Cake
🍋Lemon Meringue
🌕Classic Yellow
🥕Carrot Cinnamon
❤️Red Velvet
We’ll announce the winner soon. Stay tuned!

Last day for Purple Velvet Cupcakes honoring Prince.💜Of course his birthday is 6/7.The king of aura wouldn’t have it any...
06/07/2026

Last day for Purple Velvet Cupcakes honoring Prince.💜
Of course his birthday is 6/7.
The king of aura wouldn’t have it any other way.
Thank you for the music, the mystique, the mischief, and the merriment. Your influence continues to inspire generations, and your aura remains unmatched.

Happy (heavenly) birthday to a true icon - Prince!👑 💜🧁

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Happy ! 🌈 Here’s to enjoying the month’s festivities and celebrating the beautiful, diverse souls that make up this won...
06/06/2026

Happy ! 🌈 Here’s to enjoying the month’s festivities and celebrating the beautiful, diverse souls that make up this wonderful world!

It’s , but please donut ask us to pick a favorite...it’s impossible! 🍩🍩🍩 What’s your favorite donut? 🍩
06/05/2026

It’s , but please donut ask us to pick a favorite...it’s impossible! 🍩🍩🍩
What’s your favorite donut?

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Our June Sibby’s Sampler has arrived! Flavors include:🍋 Lemon Meringue💛 Classic Yellow Cake♥️ Red Velvet🎉 Confetti Surpr...
06/04/2026

Our June Sibby’s Sampler has arrived! Flavors include:
🍋 Lemon Meringue
💛 Classic Yellow Cake
♥️ Red Velvet
🎉 Confetti Surprise
🥕 Carrot Cinnamon
🫖 Grandma’s Chocolate Tea Cake

Call up your shrink in Beverly Hills...you know the one...Dr. Everything-Will-Be-Alright...and tell him: Purple Velvet i...
06/03/2026

Call up your shrink in Beverly Hills...you know the one...Dr. Everything-Will-Be-Alright...and tell him: Purple Velvet is BACK! 💜 As we do every year, we’re celebrating Sibby’s favorite artist, Prince, with this limited-edition cupcake. 🥳💜 Purple Velvet is available for 4 days only starting today and available through Sunday, June 7 (Prince’s birthday)!

Prince’s iconic symbol is the signature decoration for this flavor, but we can do any other decoration on these as well—graduation, birthday, you name it! 💜☔️

Address

716 S Railroad Avenue
San Mateo, CA
94401

Opening Hours

Wednesday 10am - 5:30pm
Thursday 10am - 5:30pm
Friday 10am - 5:30pm
Saturday 10am - 5pm
Sunday 10am - 2pm

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