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 ...

Yes, Costco will be open this Monday. Its warehouses will be open during regular business hours from 9 a.m. to 08:30 p.m. for ...

Find out whether Costco is open on Martin Luther King Jr. Day 2026 and see which holidays the store stays closed.

Costco warehouses will be open on Martin Luther King Jr. Day. The warehouse chain's website doesn't list it as a holiday ...

Martin Luther King Jr. Day is observed on Monday, Jan. 29, 2026. Several federal offices and services will be closed, and ...

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

Costco has once again proven that it cares about the people who shop at its stores.

Martin Luther King Jr. Day is observed on the third Monday of January, with January 19 being the date for 2026. This federal ...

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