Costco Hours: 4th of July by Rhonda July 21, 2020 373 Happy 4th of July! Costco will be closed today. 0 FacebookTwitterPinterestEmail previous post Costco Sale: Ace Bayou Sleep-N-Go Portable Folding Mattress next post Costco Sale: Pyrex 5-Piece Glass Bakeware Set $9.99 You may also like Chocolate Soft Serve Ice Cream in the Costco... 2.9 Gallon Acrylic Drink Dispenser at Costco! Vitamix Venturist Pro Blender – Costco Sale! Yardistry 12′ x 14′ Contemporary Gazebo – Costco... Costco Sale: Ninja NeverClog Cold Press Juicer Totally Bamboo Destination Washington Cutting Board at Costco!