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How to Contact Costco Customer Service Plus Costco’s Return Policy

Costco is known to have one of the best return policies. Members can return nearly any item for a Costco cash card, regardless of when it was purchased and even without a receipt. Costco also offers excellent customer service per department and can be contacted in person, by phone, or online.

You can reach Costco’s main customer service at 1-800-774-2678 Mon-Fri from 6 am- 6 pm PT and 8 am- 5 pm PT on weekends. For Costco online orders, you can call customer service at 1-800-955-2292 Mon-Fri from 5 am- 8 pm PT and 5 am- 7 pm PT on weekends. Costco also has Live Chat support during customer service hours.

In this article, we’ll describe how to contact Costco Customer Service and take advantage of Costco’s generous return policy.

What Is Costco’s Customer Service Number?

The main Costco Customer Service number for general questions is 1-800-774-2678, and customer support is available Monday to Friday from 6 am to 6 pm PT and Saturday and Sunday from 8 am to 5 pm PT.

Below are the Costco Customer Service numbers by department:

DepartmentCostco Customer Service Number
Membership and Warehouse1-800-774-2678
Costco Online Orders (
Costco Business Center1-800-788-9968
Costco Pharmacy1-800-607-6861
Costco Travel1-877-849-2730
Costco Photo Center1-855-620-7579
Costco Concierge Services1-866-861-0450
Costco Home Improvement1-844-765-0251

The main number for Membership and Warehouse is 1-800-774-2678, or you can call your local Costco instead.

You can call the number for Costco Online orders at 1-800-955-2292 for anything related to orders. This includes orders delivered by Costco Logistics.

If you are calling for a business, contact the Costco Business Center at 1-800-788-9968. Keep in mind Costco Business Center Customer Service is not available on weekends.

For questions or requests concerning prescriptions, you can call the Costco Pharmacy department at 1-800-607-6861.

If you need assistance with travel services, you can call Costco Travel Customer Service at 1-877-849-2730. And the Costco Photo Center Customer Service is available at 1-855-620-7579.

Costco offers free technical support for members who purchased electronics and appliances.

This service allows members to speak with expert technicians to provide answers for basic setup and troubleshooting. You can reach Costco Concierge Services at 1-866-861-0450.

Costco also sells an assortment of home goods ranging from flooring materials to kitchen appliances and installation services.

For questions or concerns with your home improvement needs, you can call Costco Home Improvement Customer Service at 1-844-765-0251.

What Are Costco’s Customer Service Hours?

Costco’s Customer Service hours vary by department. Customer Service for the main Membership and Warehouse department can be reached Monday through Friday from 6 am to 6 pm PT and Saturday through Sunday from 8 am to 5 pm PT.

DepartmentCostco Customer Service Hours
Membership and WarehouseMon-Fri, 6 am to 6 pm PT
Sat-Sun, 8 am to 5 pm PT
Costco Online Orders (, 5 am to 8 pm PT
Sat-Sun, 5 am to 7 pm PT
Costco Business CenterMon-Fri, 6 am to 5 pm PT
Costco PharmacyMon-Fri 5 am to 7 pm PT
Sat-Sun, 9:30 am to 2 pm PT
Costco TravelMon-Fri, 5 am to 9 pm PT
Sat-Sun, 6 am to 5:30 pm PT
Costco Photo CenterMon-Sun, 6 am to 8 pm PT
Costco Concierge ServicesMon-Sun, 5 am to 10 pm PT
Costco Home ImprovementMon-Fri, 5 am to 7 pm PT
Sat-Sun, 7 am to 5 pm PT

All Costco Customer Service hours are according to Pacific Time.

The Costco Membership and Warehouse Customer Service number is available seven days a week and can be reached Monday through Friday from 6 am to 6 pm and Saturday and Sunday from 8 am to 5 pm.

Customer Service for Costco Online Orders is available seven days a week. They can be reached Monday through Friday from 5 am to 8 pm and Saturday and Sunday from 5 am to 7 pm.

The Costco Business Center is only available Monday through Friday and can be reached between 6 am and 5 pm.

Costco Pharmacy Customer Service is available seven days a week. They can be reached Monday through Friday from 5 am to 7 pm and Saturday and Sunday from 9:30 am to 2 pm.

The Costco Travel Center is also available seven days a week and can be reached Monday through Friday from 5 am to 9 pm and Saturday and Sunday from 6 am to 5:30 pm.

Costco Concierge Services are available seven days a week. They can be reached Monday through Sunday from 5 am to 10 pm.

Customer Service for the Costco Home Improvement department can be reached Monday through Friday from 5 am to 7 pm and Saturday and Sunday from 7 am to 5 pm.

Does Costco Offer Live Chat Support?

Costco offers live chat support online during Customer Service hours. In addition, chat services are available for Costco Online, the Costco Membership and Warehouse department, and the Costco Business Center.

Costco Online live chat support is available Monday – Friday from 5 am to 8 pm and Saturday – Sunday from 5 am to 7 pm.

Costco Membership and Warehouse live chat support is available Monday – Friday from 6 am to 6 pm and Saturday – Sunday from 8 am to 5 pm.

Additionally, Costco Business Center live chat is available Monday – Friday from 6 am to 5 pm.

Here’s how to take advantage of Costco’s Live Chat Support:

  1. Navigate to the Costco page.
  2. Click on “Contact Us” at the bottom of the menu on the left side of the screen, then select “Chat Us.”
  3. You will be redirected to the Live Help webpage, where you will need to fill out the form to contact support.
  4. First, choose the department you’d like to contact. You can choose between Costco Online, Warehouse or Membership, or Costco Business. The department must be open at the time, or else you will not be able to select it.
  5. In the next line, choose your chat subject. Based on the department you chose, topics may include the following:
    • Order status
    • Order change or cancellation
    • Assistance with shopping or My Account
    • Online returns
    • Online product information
    • Credits, charges, and fees
    • Warranty information
    • Damaged or defective order
    • Credit card questions
    • Membership information or changes
    • Warehouse
    • Product information
    • General questions or suggestions
    • 2% Executive Reward Replacement Request
    • Order status
    • Order change or confirmation
    • Website Questions
    • Billing/Accounting
    • Other
  6. Fill in your first and last name as well as your email address.
  7. If you want to chat about a specific order, enter your order number.
  8. Enter your Costco membership number.
  9. Write a short and descriptive message in the bottom box. Include any details necessary for a support team member to send you a helpful, quick, and accurate reply.
  10. When you have completed the form, click on “Start Chat” at the bottom of the page to connect with a Costco support team member.

For security reasons, Costco’s live chat support cannot process membership fees or credit card transactions.

Can You Contact Costco Customer Service via Email?

Costco does not offer Customer Service support via email. However, Costco Customer Service is available by phone or through live chat support. There is also an option to leave feedback online via the Costco website or mobile app.

You can reach Customer Service by clicking on “Contact Us” on the website. Next, select “Chat Us” to be redirected to the live chat form.

You can also select “Call Us” to be redirected to the Costco Customer Service number directory.

You can leave feedback through a desktop or laptop computer by navigating to

Then click on the blue tab on the right-hand side that says “Feedback” or scroll to the bottom of the page and click on “Feedback.”

The feedback button is also found at the bottom of the screen when using a mobile device. How to leave feedback through the Costco mobile app depends on your device.

For Apple devices, tap on “More” in the app, then select “App Feedback.” For Android devices, open the menu in the app and select “Feedback.”

How Do I Contact Costco Citi Card Customer Service?

Costco Citi Card Customer Service can be reached online or by phone directly through Citi Bank. You can call 1-855-378-6467 for consumer cards and 1-855-378-6468 for business cards. In addition, Costco Citi Card Customer Service can be contacted online at

If your Costco Citi Card isn’t working, it may be because the card has not yet been activated.

You can check the status and activate your card on the Citi website. Citi Customer Service can also help to troubleshoot any problems that may arise in the process.

What Is Costco’s Return Policy?

Costco’s return policy is based on its risk-free 100% Satisfaction Guarantee and includes returns on merchandise and memberships. However, some limitations may apply to the return of select merchandise, including electronics, diamonds, and specialty items.

According to its return policy, Costco will cancel and refund membership fees at any time if you find that you’re dissatisfied with your membership.

Satisfaction with merchandise is also guaranteed, and your purchase price will be refunded. However, the following exceptions apply to merchandise returns:

  • Electronics
  • Diamonds
  • Cigarettes
  • Alcohol
  • Products with a limited useful life expectancy
  • Special Order Kiosk and Custom Installed Programs

The following electronics can be returned for up to 90 days from the date you received the merchandise:

  • TVs
  • Projectors
  • Computers
  • Tablets
  • Smartwatches
  • Cameras
  • Drones
  • Camcorders
  • MP3 players
  • Cell phones (based on carrier service contract)
  • Major appliances (refrigerators, freezers, ranges, cooktops, over-the-range microwaves, dishwashers, water heaters, washers, and dryers)

Some items are excluded from Costco’s Return Policy. These include the following:

  • Special Order Kiosk items
  • Optical items
  • Tires
  • Tickets and digital goods
  • iTunes and Google Play
  • Jewelry items
  • Perishable Items
  • All Apple Products

Costco does not accept returns on Special Order Kiosks and Custom Installed Programs. These include items such as countertops and custom flooring that have been manufactured to personal and unique specifications.

Exceptions are returns that fall under the item’s warranty for repair or replacement due to a failure to meet specifications.

Diamonds 1.00ct or larger can be returned with all original paperwork, including IGI and GIA certificates.

You’ll receive a Jewelry Credit Memo, and a Costco Graduate Gemologist will inspect the diamond for authenticity within 48 hours of the return.

Lastly, Costco does not accept returns for cigarettes, alcohol, or products with limited useful life expectancy, including tires and batteries.

However, some items may be sold with product-specific limited warranties, so you can check with the manufacturer.

Does Costco Accept Returns Without a Receipt?

Costco accepts returns without a receipt. In addition, most items fall under Costco’s 100% Satisfaction Guarantee, which gives a full refund of the price paid. However, certain item exclusions apply, and select items must be returned within 90 days.

To make a return at Costco, all you need is the item and your membership card so that a store associate can look up your past orders.

Non-members can also return gifts received if they have the membership number of the person who bought the item.

Most refunds are put onto a Costco cash card that members and non-members can use.

Costco also offers price adjustments on online orders. For example, if you notice that the price of an item you purchased dropped within 30 days of that purchase, you can fill out a price adjustment form online.

You will receive the difference as Costco credit on your next purchase.

Can You Return a Costco Online Order?

You can return Costco online orders in-store or online. To return an online item in person, visit the returns counter at any Costco warehouse. You can also ship the item back by submitting a returns request online and following the instructions.

Returns can be made on Costco online orders for any of the following reasons:

  • You no longer want the purchased item 
  • You’re dissatisfied with the item
  • You bought the item by mistake
  • You received the incorrect or duplicate item
  • You refused the item upon delivery due to damage to the item or box
  • An item is missing (eligible for replacement only)
  • The shipment is lost in transit

How to Return a Costco Online Order

Costco online orders can be returned at a Costco warehouse or by requesting a return label online and shipping the item back. You don’t need a receipt to return a Costco online order, but you will need the Costco membership card number. Certain exclusions apply, as laid out by Costco’s Return Policy.

Let’s take a look at how to return a Costco online order using both available return methods.

Returning to Costco Warehouse

To return an online order to a Costco warehouse, simply bring the item to the returns counter at any Costco Warehouse.

A customer service associate will look up the order using your membership card, and a refund on eligible items will be given on a Costco cash card.

It is helpful to bring your receipts and the original packaging of the item, but these are not required to make a return.  

Returning on

You can return Costco online orders by submitting a request online using the following steps:

  1. Log in to your Costco account.
  2. Select “Orders & Returns.”
  3. Select “Return Items” next to the appropriate order, then follow the prompts to complete your request.
  4. Choose to receive your return label immediately or to schedule a pickup (where eligible). An email with additional instructions will be sent for large items.


Costco’s Customer Service and Return Policy stand out for its easy access and leniency. With Customer Service agents available from each department, it is easy to connect with exactly who you need to speak with regarding any questions or concerns that may arise.

And with a 100% Satisfaction Guarantee backing Costco’s return policy, you can shop comfortably knowing that you won’t waste money on products you’re not satisfied with.

If you’re interested in finding out more Costco shopping tips, check out the related articles below.

Related Articles:

Everything You Need to Know About Costco’s Hours

Costco Gift Cards: Where to Buy and How to Use Them

Costco Membership: Here’s Everything You Need to Know

Costco Delivery: How It Works and How Much It Costs

Costco Cakes: Your Guide to Buying Cakes at Costco

Last Updated: November 12, 2022

About the Author

Lana Kisner is a writer on the team with more than 15 years of experience in the food service industry.

In her free time, she enjoys traveling, exploring new restaurants, listening to live music, and hiking with her dog.