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

Placing an order on Costco.com is simple. Just follow these steps: Sign In / Register in the upper right-hand corner of Costco.com.

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

Renewing your membership online is as simple as signing in and heading to Renew Membership in your Costco.com Account.

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

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.

Costco Home Improvement Installed Products. For Graber Window Treatments: 1-855-742-9130 For Lennox HVAC: 1-877-483-6226

Retrieving your order history is simple! Just head over to Costco.com and select Orders & Returns near the top of the page.

Costco members may charge their membership fees automatically on any Visa® credit/debit card or Mastercard debit card.

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.