Costco birthday cakes are favored for their quality and affordability, typically available in half-sheet sizes that serve up to 48 people. They offer vanilla and chocolate flavors with various designs like roses, balloons, and rainbows, which can be customized. Cakes must be ordered in person at a Costco store, with a recommended two days advance notice to ensure availability.
At around $18.99 per cake, they provide a cost-effective option compared to other retailers. Pickup is straightforward from the Costco bakery, and it’s advised to keep the cakes refrigerated. For those needing more, Costco also provides cupcakes and other treats to complement the main cake.

Costco Custom Birthday Cakes
Costco offers a selection of custom birthday cakes known for their exceptional quality and affordability. These cakes are a popular choice for various celebrations, providing customizable options to suit any event.
Customization Features
Customers can personalize their Costco birthday cakes with several design themes like roses, balloons, and more. While the customization possibilities are broad, they are somewhat constrained to ensure the quality and structure of the cakes remain intact. This allows for personal touches without compromising the cake’s integrity.
Costco Birthday Cake Designs
Available Designs:
- Balloon, Rose, & Rainbow – Perfect for birthdays and celebrations.
- Teddy Bear – Great for baby showers and kids’ parties.
- Cross & American Flag – Ideal for religious events or national holidays.

Costco Cakes 2025: Flavors, Sizes & Prices
| Category | Details |
|---|---|
| Flavors | – Vanilla Cake – White cake with vanilla cheesecake mousse and buttercream icing. – Chocolate Cake – Chocolate cake with chocolate mousse and buttercream icing. |
| Sizes & Servings | – 10-Inch Round Cake – Serves 16 people. – Half-Sheet Cake (12″ x 16″) – Serves 48 people. |
| Pricing (2025) | – 10-Inch Round Cake – $15.99 – Half-Sheet Cake – $26.99 |
| How to Order | 1. Visit Costco Bakery – Find the order form kiosk. 2. Fill Out the Form – Choose size, flavor, design, and add a message. 3. Submit the Form – Drop it in the order box. 4. Order at least 48 hours in advance. |
How to Order Costco Custom Cakes for Birthday At Costco?
To order a custom cake at Costco, you must visit a warehouse in person as online orders are not accepted. It’s recommended to place your order at least two days before your event to ensure availability. Costco’s half-sheet custom cakes are affordably priced at approximately $18.99, making them a cost-effective choice compared to other bakeries.
Once your cake is ready, pick it up from the bakery section and keep it refrigerated, especially if it contains mousse fillings, to maintain its freshness.
Costco’s Online Birthday Cake Selections
Explore Costco’s delightful range of birthday cakes available online, each designed to make your celebrations extra special. Here’s a closer look at some of the standout options:
- David’s Cookies Mile High Peanut Butter Cake: This decadent cake, weighing 6.8 pounds, is perfect for peanut butter lovers. Designed to serve approximately 14 people, it’s a rich blend of flavors that will satisfy all your guests.
- The Cake Bake Shop 8″ Round Carrot Cake: For those who prefer something less traditional, this carrot cake serves 16-22 people and is known for its moist texture and rich taste, frosted with a creamy topping that complements the spiced carrot flavor perfectly.
- The Cake Bake Shop 2 Tier Special Occasion Cake: This two-tier cake is an excellent choice for large gatherings, serving 16-22 people. It’s as visually stunning as it is delicious, making it a centerpiece for any celebration.
- David’s Cookies 10″ Rainbow Cake: Bright and colorful, this cake is a fun choice for children’s parties or any event where you want to add a splash of color. It serves 12 and features layers of vibrant, rainbow-colored sponge.
- David’s Cookies Premier Chocolate Cake: Weighing 7.2 lbs and serving 14, this cake is a chocolate aficionado’s dream. It’s rich, moist, and covered in a luscious chocolate frosting that makes it a crowd-pleaser at any event.
- David’s Cookies Chocolate Fudge Birthday Cake: Including a party pack, this cake serves 16 and is perfect for those who love deep, fudgy chocolate. It’s indulgent and guaranteed to make your birthday celebration memorable.
Each of these cakes is available for delivery when ordered online, offering a convenient way to bring gourmet flavors to your doorstep. Whether you’re planning a small family affair or a grand party, Costco’s selection provides a cake for every occasion, ensuring your celebration is both sweet and stylish.
Enhance Your Birthday Bash with Costco’s Party Essentials
For a memorable birthday celebration, Costco offers more than just cakes. Opt for vibrant floral arrangements to decorate your venue, and consider throwing a Costco-themed party complete with food court favorites like pizza and hot dogs.
Additionally, Costco’s gift baskets and cards make perfect gifts or party favors. Embrace the wholesale charm with Costco-themed decorations and attire for a unique and budget-friendly celebration.
Quick Guide to Ordering Birthday Cakes from Costco
- Order Early: Ensure availability by ordering your cake at least 2-3 days in advance, especially for custom designs.
- Visit the Store: Place your cake order in person at Costco’s bakery section, as online or phone orders are not accepted.
- Choose Your Cake: Select from two flavors—white or chocolate—and two sizes, either a 10-inch round or a half-sheet cake.
- Customization Options: Opt from predetermined designs like balloons or candles, and add custom text. Note that complex custom designs may not be possible.
- Pickup and Verification: Collect your cake on the scheduled date and time, and check its condition and accuracy while still at the store.
- Affordability: Costco cakes are competitively priced, offering great value compared to other retailers.
FAQs Regarding Birthday Cake at Costco
How much does a Costco birthday cake cost?
What flavors and sizes are available?
Sizes: Half-Sheet Cake: Serves up to 48 people.
10-Inch Round Cake: Serves up to 16 people.
