Costco will be closed nationwide on Labor Day Monday, September 7
Costco members looking for a last-minute Costco Labor Day warehouse run will find the doors shut. U.S. Costco locations are closed on Monday, Sept. 7, 2026, for the federal holiday. Local and national holiday-hours guides, along with Costco’s own customer-service holiday list (Costco’s official holiday closures FAQ), treat Labor Day as one of the chain’s … Read more