Coldwell Banker The Real Estate Group New Lenox office is a 3,000 sq.ft. facility on 2 acres on Lincoln Highway (Rt.30) just east of Spencer Rd. The firm originally opened its New Lenox office in 1971. From this location, sales agents can also service the surround communities of Frankfort, Manhattan and Mokena. As part of the Coldwell Banker The Real Estate Group organization, the New Lenox office is able to offer many services not readily available from most real estate offices such relocation, mortgage, insurance, title and property management services.