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 ...

Planning a Costco run on MLK Day? Check to see if it's open or closed.

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 Executive Members. Meanwhile, Gold Star and Business Members can stop by ...

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

All grocery stores will be open in New Jersey and the greater metropolitan area on Martin Luther King Jr. Day 2026 ...

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

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