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How to Order a Custom Cake at Costco: Step-by-Step Guide

Planning a birthday, graduation, or office celebration? If you’ve ever wondered how to order a custom cake from Costco, you’re not alone. With their generous portions and unbeatable prices, Costco cakes are a favorite for all kinds of gatherings.

Knowing exactly how to place an order saves you time—and ensures you’ll get the perfect cake for your big day. In this article, we’ll walk you through the simple ordering process, share tips for custom designs, and answer common questions.

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How Do You Order a Custom Cake from Costco?

Ordering a custom cake from Costco is a practical, delicious, and budget-friendly way to celebrate any occasion. Whether planning a birthday, graduation, baby shower, or just a family get-together, Costco sheet cakes have become famous for their value and taste. However, the process can be a bit different from other bakeries, so knowing what to expect ensures your experience goes smoothly.

Below, you’ll find a step-by-step guide on how to order a custom cake from Costco, the available choices, benefits and challenges, practical tips, pricing info, and answers to the most frequently asked questions.


What Makes Costco Custom Cakes Special?

Costco is known for more than just warehouse shopping. Their custom sheet cakes offer:


Costco Custom Cakes: Sizes, Prices, Flavors & How to Order - costco custom cake order

  • Large servings at an excellent price.
  • Consistent quality—moist cake, rich frosting.
  • Simple yet attractive designs suitable for various events.
  • Generous customization options, even if more limited than boutique bakeries.

Step-by-Step Guide: Ordering a Costco Custom Cake

Costco’s process for custom cake orders is unique because, unlike many bakeries, they do not offer online or phone ordering for custom cakes. Here’s how you should go about it:

1. Visit Your Local Costco Bakery

To place a custom cake order, you’ll need to visit the bakery department at your local Costco warehouse in person. Custom cake ordering is not available via phone or online.

2. Locate the Cake Order Form

At the bakery, look for the order kiosk or counter. Here, you’ll find a paper order form—usually displayed on a stand or counter near the bakery window.

The form will ask for:

  • Event date and time for pickup
  • Cake size and flavor options
  • Filling and frosting choices
  • Custom design or decoration requests
  • Personalized message

3. Choose Your Cake Size and Flavor

Costco primarily offers their famous half-sheet cake for custom orders. These cakes are generously sized and feed a crowd, usually serving 40–48 people.

  • Flavors: The most common flavors are:
    • White cake with vanilla cheesecake mousse filling
    • Chocolate cake with chocolate mousse filling

Some warehouses may occasionally offer other varieties, but these two are the classics.

4. Pick a Design

Costco provides a range of simple but charming designs suitable for birthdays, graduates, sports fans, holidays, and more. On the order form, you’ll find a design catalog or sheet that you can browse.

  • You can select from:
    • Pre-set themed decorations (balloons, roses, sports, etc.)
    • Colors for border and accents
    • Your custom message (e.g., “Congratulations!” or a name)

5. Note Special Instructions

If you have any specific requests (like omitting certain decorations, different wording, or allergy information), there is usually a section on the form or space to add notes.

Tip: Costco doesn’t offer highly detailed, intricate fondant work but will accommodate reasonable customization within their standard designs.

6. Submit Your Order to the Bakery Associate

After completing your form, hand it to a bakery staff member. They will confirm the details and provide you with a pickup slip or receipt.

7. Schedule Pickup Time

Custom cakes generally require at least 24–48 hours’ notice. During busy seasons (holidays, graduation), it’s best to order 3–4 days in advance to secure your spot.

8. Pick Up and Enjoy

Return to Costco on the designated date and time, present your receipt, and receive your freshly made cake!


Benefits of Ordering a Costco Custom Cake

  • Value for Money: Costco’s half-sheet cakes are priced far below most bakeries for a similar size, often around $25–$30.
  • Consistent Quality: Customers rave about the moist cake and light, not-too-sweet frosting.
  • Feeds a Crowd: One cake serves up to 48 people, making it ideal for parties and celebrations.
  • Easy Ordering: Though in-person, the process is straightforward and user-friendly.
  • Variety of Designs: Suitable for many occasions, plus the ability to add a personal touch.

Possible Challenges and Points to Consider

While ordering a custom cake at Costco is convenient for most, there are some limits and considerations:

  • No Online or Phone Ordering: You must go to the warehouse to place your cake order.
  • Limited Flavors & Design: Only two main flavors and a catalog of standard designs. Customization options are not as extensive as boutique bakeries.
  • No Small or Round Cakes: Customizations are for half-sheet cakes only—there are no personal-sized or tiered options for custom orders.
  • Bulk Requirement: If you only need cake for a few people, a Costco cake might be too big.
  • Availability: Occasionally, some designs or flavors can run out, especially around major holidays.

Practical Tips for the Best Costco Cake Experience

  • Order Early: Especially during high-demand times, order as soon as possible to guarantee availability.
  • Bring Details: If you have a color or theme in mind, bring a sample or photo for guidance.
  • Double-Check Spelling: Ensure names and custom messages are written clearly on the form.
  • Check for Allergens: Ask the bakery staff if you have food allergy concerns.
  • Consider Storage: Costco cakes are large and should be kept cool. Ensure you have space in your fridge or a cool spot at home.

How Much Do Costco Custom Cakes Cost?

Pricing is one of the biggest draws. As of the most recent updates, here’s what you can expect:

  • Custom Half-Sheet Cake: Typically priced around $25–$30.
    • Feeds 40–48 people.
    • Price remains the same regardless of custom message or design within standard options.
  • Pre-made Cakes: If you’re in a rush, some locations keep a selection of pre-decorated cakes in the display case, usually at the same price point.
  • Add-ons: Currently, Costco doesn’t offer paid upgrades for decorations or flavors for custom cakes.

Cost Tip: No extra shipping charges apply, as all orders are picked up from your local warehouse.


Frequently Asked Questions (FAQs)

How far in advance should I order a custom cake from Costco?

It’s best to order at least 48 hours in advance. During holidays or graduation season, ordering 3–4 days ahead ensures you get your preferred pickup date.

What cake flavors and fillings does Costco offer for custom cakes?

Costco’s custom cakes generally come in two crowd-pleasing options: white cake with vanilla cheesecake mousse filling or chocolate cake with chocolate mousse filling. Selections may vary slightly by location.

Can I order a custom cake from Costco online or by phone?

Currently, all custom cake orders must be placed in person at Costco bakery counters. There is no online or phone option for custom cake ordering.

How many people does a Costco custom sheet cake serve?

A half-sheet Costco cake serves approximately 40–48 people, making it suitable for large gatherings.

Can I request special dietary options, such as gluten-free or nut-free cakes?

Costco’s standard custom cakes are not gluten-free or nut-free, and options for special dietary needs are very limited. Always ask the bakery for ingredient and allergen information before ordering.


In Summary

Ordering a custom cake from Costco is simple, convenient, and budget-friendly—perfect for feeding a crowd without breaking the bank. Despite some limitations in flavors and designs, the process is straightforward, and the result is a generously sized, delicious cake customized with your message or event theme. Remember to order early, fill out your order form clearly, and prepare to pick up your cake in person. With a little planning, your next celebration will be made even sweeter with a Costco custom cake!