Costco Hours: Memorial Day 2015 by Rhonda July 21, 2020 360 Costco will be closed on Monday, May 25, 2015, in observance of Memorial Day. 0 FacebookTwitterPinterestEmail previous post Costco Weekend Update: May 22, 2015 – May 24, 2015 next post Costco Clearance: Mikasa French Countryside Stoneware 20-Piece Dinnerware Set $39.97 You may also like Fiskars 15″ Lopper and Hand Pruner Set on... Costco’s KidKraft Summit View Swing Set Costco Business Center Coupon Book APRIL 2024 Costco Unadvertised Sales! MARCH 2024 Costco Coupon Book MARCH 2024 Bellevue Luxury Candles at Costco: Fresh Fig, Neroli...