Costco 250 N Randall Rd, Lake In the Hills, IL60156 Costco is a worldwide membership warehouse club that was formed in 1976 to give shoppers the best deal possible on…More brand-name merchandise. Since 2004, this Lake in the Hills location has done that and more, becoming a centerpiece of the community with its low prices, vast selection and customer-friendly member services. Whatever you need, Costco has you covered. Specialty stores include an independent optometrist, a pharmacy and a gas station. After you fill up your car's tank, you can buy some tires. And if you're bored with your current car, you can buy a different one at Costco. If you're hungry, Costco offers fresh meats and produce, and bulk items at low prices. Top-of-the-line TVs, Blu-Ray players and computers head the electronics department. Feel under-dressed? Costco has bargain fashions for men, women and children. In short, if you want something, and want it at the lowest possible price, Costco has a membership plan that is perfect for you.