Costco is open today from 10am to 9pm.// VIEW ALL HOURS
Mon to Sat 10am - 9pm
Sun 11am - 6pm
We are a membership warehouse club, dedicated to bringing our members the best possible prices on quality brand-name merchandise. With hundreds of locations worldwide, Costco provides a wide selection of merchandise, plus the convenience of specialty departments and exclusive member services, all designed to make your shopping experience a pleasurable one.
See all things at Potomac Mills®: Department Stores & Anchors