Costco Hours: 4th of July by Rhonda July 24, 2020 385 Happy 4th of July! Costco will be closed today. 0 FacebookTwitterPinterestEmail previous post Costco Coupon Book: July 10, 2014 – August 3, 2014. Prices Listed. next post Costco Sale – iRobot Roomba 595 Pet Series Vacuum You may also like 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! Costco Unadvertised Sales! APRIL 2024 Costco In-Warehouse Hot Buys Sale: APRIL 2024