Costco Hours Holidays 2024. Costco is extremely busy during the holidays as people tend to cook large meals for family and friends.  — 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.” stores open on labor day 2024

 — independence day is thursday, july 4, 2024. New year’s day, easter sunday, memorial day, independence day, labor day, thanksgiving day, and christmas day.