Costco Hours: 4th of July by Rhonda July 21, 2020 661 Happy 4th of July! Costco will be closed today. 0 FacebookTwitterPinterestThreadsBlueskyEmail 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 Costco Coupon Book SEPTEMBER 2025 Costco Hot Buys Sale JULY 2025 Peaches and Cream Bar Cake from the Costco... Fried Chicken and Waffles at Costco! Costco Coupon Book JUNE / JULY 2025 NEW Costco Executive Member Benefits Starting June 30,...