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 and 2026 holiday schedule.

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 ...

Costco is extending its hours and will be opening stores exclusively for Executive members from 9 a.m. to 10 a.m. from Sunday through Friday and from 9 a.m. to 9:30 a.m. on Saturdays. Stores will also ...

With another holiday on the horizon — Martin Luther King Jr. Day — Costco members may be curious when they’ll be able to shop at their local warehouse in January. During most federal holidays, many ...