When we first covered this location in October 2024, construction was still underway. A year later, the new Costco Wholesale on the Allen–McKinney border has been serving Collin County shoppers since its August 2025 debut. The once-vacant site has quickly become one of the region’s busiest retail spots.
From Construction to Reality
The transformation from open land to full-scale warehouse wrapped up earlier this year, adding another major anchor to the booming corridor north of Dallas. The store features a gas station, tire center, pharmacy, and bakery—standard offerings that continue to draw steady crowds. Despite a few growing pains, the store’s location has helped ease pressure from the long-busy Plano and Frisco warehouses.
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