Costco is Closed on the 4th of July (2022) by Rhonda July 4, 2022 426 Happy Independence Day! Costco will be closed today, July 4, 2022. Even though Costco stores are closed today in observance of Independence Day, costco.com is open and is having a huge sale! Check out the deals at costco.com, while supplies last. Costco.com SALE! 0 FacebookTwitterPinterestEmail previous post Sunforce Solar String Lights – Costco Sale! next post Grandware 6-Drawer Wooden Orchard Rack at Costco! You may also like NEW Orange Dreamsicle Cheesecake at Costco!! Costco Coupon Book AUGUST 2024 Costco In-Warehouse Hot Buys Sale – JULY 2024! Costco Business Center Coupon Book JULY / AUGUST... Costco Sale: Kirkland Signature Hexagon Dog Bed Costco Member Savings Days 7/15/24 – 7/19/24