Same-Day Delivery Powered by Instacart FAQs - Costco Customer Service
The Costco Shop Card cannot be used as a form of payment for Same-day Delivery powered by Instacart orders. If you would like to use a Costco Shop Card to pay for your order, we recommend …
What are Costco’s hours of operation? - Costco Customer Service
The Costco app is another way to find our locations’ hours. It’s free to download on the iTunes or Google Play app stores. As of June 30, 2025, exclusive earlier shopping hours for Executive members may …
Why does Costco charge sales tax on orders?
Why does Costco charge sales tax on orders? You can shop confidently at Costco because we operate responsibly. That means we follow state and local laws, including those that require us to collect …
Costco Customer Service
Welcome to the Costco Customer Service page. Explore our many helpful self-service options and learn more about popular topics.
How do I cancel my Costco.com order?
When an order is cancelled, the pre-authorization is immediately released by Costco.com and removed from your financial account based on the policies of the card.
Contact Us - Costco Customer Service
Welcome to the Costco Customer Service page. Explore our many helpful self-service options and learn more about popular topics.
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Welcome to the Costco Customer Service page. Explore our many helpful self-service options and learn more about popular topics.
How is sales tax calculated on my order? - Costco Customer Service
Many factors determine the sales tax charged on an order. The amount listed on the checkout page represents a sales tax estimate, which may be different than the sales tax charged when the order is …
Return or Replace your Costco.com Online Order
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. Accepted payment …
Are Kosher products available at Costco warehouses?
Are Kosher products available at Costco warehouses? Many of our Costco warehouse locations regularly stock kosher products. To find out, just ask a team member next time you visit your local …