Color Spotlight: Yellow River Grab the stock of Yellow River. Supplies are limited. Reserve a SlabTake a look at Granite Countertop Warehouse testimonials and reviews to see what our customers are saying. If you want to set up a specific time to meet with one of our designers, let us know when you would like to visit. Make Appointment Quartz Countertops Are the Latest Trend The Showroom hours are: Monday to Friday: 8am – 6pm Saturday: 9am -5pm Sunday: 12nn – 5pm