Costco – Memorial Day 2024 by Rhonda May 27, 2024 433 5/27/24. Costco will be closed on Monday, May 27, 2024, in observance of Memorial Day. We at Frugal Hotspot are extremely grateful for our brave military who have sacrificed their lives in service of our country. 0 FacebookTwitterPinterestEmail previous post KS Mixed Berry Cheesecake at Costco! next post Solar Escape Bucket Hat – Costco Sale! You may also like Yankee Candle Car Jar Ultimate Air Fresheners –... Costco Coupon Book APRIL 2025 Costco Business Center Coupon Book: APRIL / MAY... Costco Hot Buys Sale: 3/29/25 – 4/6/25 Permasteel 46″ Rolling Work Bench at Costco! Bond Bloomington Cascading Cup Fountain at Costco!