If you’re a new Costco.com member, select Create Account, then enter your email address and your choice of password. If you’re a member, enter the membership number found on your …

Once an item has sold out, it’s automatically removed from Costco.com, or you’ll see the "Out of Stock" banner added to the product page. Items are also continually added to Costco.com, re …

To search for specific Costco member-only savings items online, head over to Costco.com and enter either the product name or item number into the search engine. If the product doesn’t …

To complete the one-time online verification process, follow the instructions below: After signing in or registering on Costco.com, click the Verify Membership link on your Account Details page to …

If you are having issues scheduling your online return or replacement, please check our list of items that cannot be returned through Costco.com Self Service. Items returned through …

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 …

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

Please keep in mind that the items available online are unique to Costco.com and may not be carried in your neighborhood Costco warehouse. If the product you’re looking for doesn’t come …

At Costco.com, we want to make sure your online ordering experience is as easy and enjoyable as possible. Shipping on most items is included, and we’ve created a comprehensive delivery …

Keep in mind, you will need to be the Primary Member or Account Manager and verified before you can make any membership changes online. Once verified, you can make changes to your …