Costco is opening its largest warehouse in Idaho’s Treasure Valley this November, but there’s more to the story than a new place to shop. The massive store in South Meridian is part of a much larger development that will bring new businesses and homes to the growing community.
According to Costco‘s official website, the new warehouse is scheduled to open on Thursday, November 5, 2026, at 203 E. Tower Lane, near the intersection of Meridian and Lake Hazel roads…