Costco Hours

Costco Business Hours

If you want to connect with the Costco customer service department, you can reach out by phone, email, through social media. Today, we will discuss about Costco hours of operation that includes Costco opening hours, closing, holiday hours and closing business hours.

Costco Regular Business Hours

Weekdays: The customer service department is open 6 am to 6 pm
Weekends: The customer service department is open 8 am to 5 pm

What time does Costco open and close?
Store hours today Opening Hours Closing Hours
Monday 6:00 am 6:00 pm
Tuesday 6:00 am 6:00 pm
Wednesday 6:00 am 6:00 pm
Thursday 6:00 am 6:00 pm
Friday 6:00 am 6:00 pm
Saturday 8:00 am 5:00 pm
Sunday 8:00 am 5:00 pm

Costco Holiday Hours

Costco customer service is open on most public holidays. Our self serve functions are available 24/7.
Christmas Day and Easter Sunday: Closed

What time does Costco close?

Public Holidays

Contact Information

Contact by phone


Costco customer support is available Monday to Friday, 6 am to 6 pm, Saturday to Sunday, 8 am to 5 pm.

Corporate Head office address of Costco

999 Lake Dr, Issaquah, WA 98027

For any general inquiries, please contact Costco head office number : (425) 313-8100

For additional information, please visit the Costco website:

Other Ways to Contact Costco

All Contacts of Costco
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