Costco July 2024 Hours Of Operation. If going to costco is on the calendar for independence day this year, we hate to break it to you, but costco will be closed on thursday, july 4. And it’s a good thing you asked, because all costco locations will be closed on july 4, 2024, in observance of independence day.

Labour day monday, september 2: To locate store hours, as well as hours for the pharmacy, gas station, optical department and other costco services, click on the locater and select “store details.”.