CHICAGO — Interra Realty has brokered the sale of a 13-unit mixed-use property in Chicago’s Pilsen neighborhood for $3.1 million. The property, which comprises 12 residential units and one street-level retail space, is located at 1157 W. 18th St. The building underwent a full renovation in 2016, including all new kitchens and baths. The 2,300-square-foot retail space has a new facade with large windows, exposed brick walls, high ceilings and access to additional basement storage. Jeremy Morton and Ted Stratman of Interra represented both the undisclosed buyer and the seller, a local development group. At $238,462 per unit, this was the second highest price-per-unit sale in Pilsen history, according to Interra.