Find today's latest Costco gas prices in Mckinney, Texas. Compare prices and save on your next fill-up. Costco Supermarket location at 3650 W UNIVERSITY DR, MCKINNEY, TX 75071-2934 with address, opening hours, phone number, directions, and more with an interactive map and up-to-date information. Costco - McKinney at 3650 W University Dr in Texas 75071-2934: store location & hours, services, holiday hours, map, driving directions and more Costco Wholesale is located at 3650 W University Dr in Mckinney, Texas 75071. Costco Wholesale can be contacted via phone at 469-347-6421 for pricing, hours and directions. Costco at 3630 W University Dr, McKinney, TX 75071, USA - hours, address, map, directions, phone number, customer ratings and reviews. Our house is a Costco house. From the flooring, and window treatments to my husband's clothes. Everything is from Costco. They double the manufacturers warranty so of course buy all your electronics at Costco. My wall closet was completed by California Closets thru Costco. They did really nice work. Please review the sections on this page about Costco McKinney, TX, including the working times, address details, product ranges and additional details. Shop Costco's Mckinney, TX location for electronics, groceries, small appliances, and more. Find quality brand-name products at warehouse prices. Costco on Mckinney, 3650 W Univ Dr is open today 10am - 6pm. Full weekly hours, address, phone number and directions. Hours. Costco McKinney, TX See the normal opening and closing hours and phone number for Costco McKinney, TX.