Costco is open on Martin Luther King Jr. Day. Costco closes on a few holidays throughout the year, but Martin Luther King Jr Day is not one of them. The wholesale retailer will be open regular hours throughout the week of MLK Day. read more
Costco will not have any changes in hours of business operations on Martin Luther King Jr. Day. Since its creation back in 1983 by President Ronald Reagan, MLK Day has been celebrated annually across the United States since 1986. read more