Portillo’s is now open and serving Joliet. There isn’t a seat in the house as this is the a drive-though and online order pick up fast-food chain. The one-of-a-kind Joliet location is, located at 1444 Larkin Avenue. Unlike traditional restaurants, Portillo’s Pick Up will not have an indoor dining room. Instead, the 3,750- square-foot restaurant will feature three drive-thru lanes as well as a pick-up area for orders placed at portillos.com and through the Portillo’s app. The chain will also offer delivery and catering from the new Joliet restaurant.