While Costco warehouses are closed on many major holidays throughout the year, stores will remain open on Martin Luther King ...

Most stores on Monday are open during their regular business hours on Martin Luther King Jr. Day, with a few exceptions.

Costco is known for bulk groceries, household essentials, pharmacy services and gas stations. If you’re planning a warehouse run, knowing Costco’s regular hours and holiday closures can help you avoid ...

Want to head to Costco on MLK Jr. Day, but not sure if Costco is open or closed on the federal holiday? Here's their hours ...