Costco is Closed on the 4th of July (2022) by Rhonda July 4, 2022 663 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 Costco Weekend Update: April 18-20, 2025 Kirkland Signature Baby Wipes – Costco Sale! Strawberry Streusel Cheesecake at Costco! Yankee Candle Car Jar Ultimate Air Fresheners –... Costco Coupon Book APRIL 2025 Costco Business Center Coupon Book: APRIL / MAY...