Find your nearest Costco warehouse location and explore helpful self-service options for customer support.

Return to Warehouse: For an immediate refund, including shipping and handling fees, return your purchase to any Costco warehouse. To find your nearest location, please visit our warehouse locator.

To view products on Costco.com, either type what you’re looking for into the Search box, or mouse over "Shop" to view our different categories. Simply click on the name or picture of an item to navigate to …

To order prescription eyeglasses on Costco.com, you will need the following: A valid prescription which should include the doctor’s information, date of the exam, the doctor’s signature, and pupillary …

Welcome to the Costco Customer Service page. Explore our many helpful self-service options and learn more about popular topics.

When registering your account on Costco.com, it’s important to verify your identity to ensure the security and privacy of your personal information. To complete the one-time online verification process, follow …

Welcome to the Costco Customer Service page. Explore our many helpful self-service options and learn more about popular topics.

Follow the steps below to add, remove or change your membership Auto Renewal settings: Go to Costco.com and select Sign In / Register in the upper right corner of the page. Costco members may …

Welcome to the Costco Customer Service page. Explore our many helpful self-service options and learn more about popular topics.

Order tracking is available on many Costco.com orders. If you’d like to track your order, follow these simple steps: Select Orders & Returns on the Costco.com homepage and sign in using your email …