What is what holidays is costco closed?

Costco is closed on the following holidays in the United States and Canada:

• New Year's Day: January 1st
• Memorial Day: Last Monday of May
• Independence Day (4th of July): July 4th
• Labor Day: First Monday of September
• Thanksgiving Day: Fourth Thursday of November
• Christmas Day: December 25th

Important Considerations:

• Location Specifics: While the above holidays are generally observed by most Costco locations, it's always best to check with your local Costco's website or call them directly to confirm their hours of operation on a particular holiday. Hours can sometimes vary slightly based on location.
• Other Closures: Costco may also close early or be closed on other days due to unforeseen circumstances like severe weather.

To be absolutely certain of their hours, always check the specific Costco warehouse's website or contact them directly before heading out.