How can I delete my account online account?

If you're the primary account holder, you have the right to remove your personal data from your online account. You can easily do this by unregistering your account, which means that your credit card details, your saved addressess, your online purchases and transaction history as well as your wish lists will be removed. However your membership will still be active and you will still be able to use it at any Costco warehouse.

1. Sign in to your online account

Sign in to your online account, and then hover over the My Account link located at the top right-hand side of the web page. Click on the My Details link from the dropdown menu.

2. Unregister Account

From the My Details page, click on the Unregister Account link.

3. Remove all account & data

Fill in your password, and reenter it again in the Verify Password link. Next click Confirm to complete the process of unregistering your account.