Building Description 137 W. Park Avenue is a +/- 1,070 sf. high exposure office retail opportunity in prestigious Libertyville, IL. The unit consists of a large waiting/reception area and conference room in front and 2 private offices, kitchenette and restroom in the rear. Former attorney’s office with nice, newer high-end finishes, don’t forget to view all the pictures. Location Description 137 W. Park Avenue is located on the south side of Park Avenue (Route 176) just west of Milwaukee Avenue (Route 21) and east of Stewart Avenue. Very close to shops, dining and the historic downtown area. Libertyville is located in Lake County, IL and considered an affluent suburb of Chicago, IL.