Mon-Fri: 10:00 am – 8:30 pm, Sat: 9:30 am – 6:00 pm, Sun: 10:00 am – 6:00 pm. https://www.costco.com/warehouse-locations?langid=-1&storeid=10301&catalogid=10701. View the ️ Costco store ⏰ hours ☎️ phone number, address, map and ⭐️ weekly ad previews for Brandon, FL.