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

Costco is set to open a new warehouse in Central Massachusetts amid a slew of other new locations this year. Here's ...

Costco is rolling out new locations, higher gas rewards, food court scanners, and new member perks arriving next month in ...

Martin Luther King Jr. Day falls on Monday, Jan. 19 this year. The annual holiday is set aside to honor the life and accomplishments of civil rights leader, Martin Luther King Jr. Intended to coincide ...

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 ...

AMHERST, NY — Costco's first Western New York location is now expected to open in early August. The Town of Amherst confirmed ...

Southern Utah's growth seems unstoppable. Now comes the opening of the state's second Costco. Costco currently operates more ...

Costco opens a new store in West Roseville, becoming the first major tenant in the Baseline Marketplace development.

See which products people were lining up for at the grand opening event.

Add Yahoo as a preferred source to see more of our stories on Google. Is Costco open on Martin Luther King Jr. Day? Are any grocery stores open on Martin Luther King Jr. Day? Here’s what you need to ...