Costco will close on Saturday, July 4, 2026 for Independence Day and is expected to reopen on Sunday, July 5, 2026.

What to know

  • Costco is closing all U.S. locations for the holiday.
  • The closure is for one day only.
  • Regular hours return the next day, though exact opening times can vary by store.

Quick note

For holiday weekends, Costco’s hours can differ from other retailers, so July 4 is the date to avoid for shopping at the warehouse club.