Jenn's Cupcakes and Parties

Jenn's Cupcakes and Parties Jenn's Cupcakes & Parties, a woman-owned is a online licensed bakery based in Castro Valley, CA. We love supporting our community! We do not have a store front.

Jenn's Cupcakes and Parties is a bakery and event planning business based in Castro Valley. We bake cupcakes, custom cakes, sweet treats and work with our customers that have specific food sensitivities. We can also assist you with party planning for all types of events, from weddings to birthdays to business meetings. We can plan everything from the invitations to the thank you notes. We also hav

e a nice selection of rentals for all your smaller party needs. Be on the lookout for us at local events around our community, as well as at schools and non-profits for fundraising events. If you are looking for a creative kid's birthday party for 7+ year olds, consider booking one of our party packages where we come to you with all the supplies to teach buttercream and fondant cupcake decorating. Jenn's Cupcakes & Parties is a fully licensed and permitted ONLINE bakery. We highly recommended that orders are placed weeks in advance, as it is not uncommon to sell out on any given weekend. We look forward to baking for you!

Jenny's 6th birthday is giving full garden party elegance and we are obsessed 🌸🩷✨ Drop a 💗 if this dreamy pink rosette c...
06/03/2026

Jenny's 6th birthday is giving full garden party elegance and we are obsessed 🌸🩷✨ Drop a 💗 if this dreamy pink rosette cake stopped your scroll!

Turning 18 never looked this cool, calm, and completely stunning 💙✨🖤 Like if Mason's textured birthday cake belongs in a...
06/02/2026

Turning 18 never looked this cool, calm, and completely stunning 💙✨🖤 Like if Mason's textured birthday cake belongs in an art gallery!

Toot toot, chugga chugga — Bryson's Big Red Car birthday is pulling up in style 🚗🌈⭐ Comment if The Wiggles were your who...
06/01/2026

Toot toot, chugga chugga — Bryson's Big Red Car birthday is pulling up in style 🚗🌈⭐ Comment if The Wiggles were your whole childhood!

Kairi is FIVE and her birthday energy just hit different 💜🎵⭐ Drop a 💜 if this K-pop Demon Hunter cake is the most epic t...
05/31/2026

Kairi is FIVE and her birthday energy just hit different 💜🎵⭐ Drop a 💜 if this K-pop Demon Hunter cake is the most epic thing you've seen today!

Smiski showed up to the graduation party and honestly, same energy as every Class of 2026 grad 🎓💚🤍 Tag your favorite gra...
05/30/2026

Smiski showed up to the graduation party and honestly, same energy as every Class of 2026 grad 🎓💚🤍 Tag your favorite graduate who needs this cake at their celebration!

The big 21 just got a whole lot cooler 🍋💙🎉 Tag the birthday crew that would go absolutely crazy over this cake! ...
05/30/2026

The big 21 just got a whole lot cooler 🍋💙🎉 Tag the birthday crew that would go absolutely crazy over this cake!

Built with love, stacked to perfection — Adrian's 7th birthday just became legendary 🧱💛🎉 Comment 🧱 if this LEGO cake is ...
05/29/2026

Built with love, stacked to perfection — Adrian's 7th birthday just became legendary 🧱💛🎉 Comment 🧱 if this LEGO cake is the coolest thing you've seen all week!

Fifty years of good taste — celebrated with Don "Jacobo" Añejo, and enough chocolate to match the occasion 🥃🍫🎉 Tag the t...
05/28/2026

Fifty years of good taste — celebrated with Don "Jacobo" Añejo, and enough chocolate to match the occasion 🥃🍫🎉 Tag the tequila-and-chocolate lover in your life who's ready to toast 50 in style!

When your two favorite things become the most iconic birthday cake ever made 🍟🧋🎂 Happy 60th, Maria — this one is SO you!...
05/27/2026

When your two favorite things become the most iconic birthday cake ever made 🍟🧋🎂 Happy 60th, Maria — this one is SO you! Comment if you're a McDonald's or Slurpee ride-or-die!

Soft, golden, and utterly magical — this birthday cake floated straight out of a dream 🦋💜✨ Who would you order this for?...
05/26/2026

Soft, golden, and utterly magical — this birthday cake floated straight out of a dream 🦋💜✨ Who would you order this for? Drop their name below!

Address

Castro Valley, CA
94546

Opening Hours

Monday 8:30am - 5:30pm
Tuesday 8:30am - 5:30pm
Wednesday 8:30am - 5:30pm
Thursday 8:30am - 5:30pm
Friday 8:30am - 5:30pm
Saturday 8:30am - 5:30pm
Sunday 8:30am - 5:30pm

Telephone

+15108286657

Website

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