Cook County collects no county-level business income tax. Illinois imposes a 7% corporate income tax plus the 2.5% Personal Property Replacement Tax (PPRT) distributed to local governments. Cook County levies industry-specific taxes on parking, hotels, alcohol, and tobacco under Ch. 74.
Illinois eliminated the personal property tax on businesses in 1979 and replaced it with the Personal Property Replacement Tax (35 ILCS 5/201(c)-(d)): 2.5% on C-corp income and 1.5% on partnerships and S-corps, distributed to counties, schools, and local taxing bodies. The state corporate income tax adds 7% under 35 ILCS 5/201. Cook County's own business levies (Ch. 74) cover non-income items: parking, hotel, amusement, alcoholic beverage, gasoline, tobacco, firearm/ammunition, and gambling machines. The county property tax system uses different assessment percentages by class: 10% residential, 25% commercial/industrial, with Class 6b/7/8 incentives reducing assessment for rehabilitation projects.
Failure to file or pay state PPRT or Cook County industry-specific taxes triggers Department of Revenue audit, late penalties of 10-30%, plus interest at 1% monthly under 35 ILCS 735.
Other ordinances people look up for this city. Green dot = verified primary-source excerpt.
Oak Park, IL
Oak Park's animal control ordinance prohibits dogs from barking excessively to the point of disturbing neighbors. Under Village Code, keeping an animal that ...
Oak Park, IL
Oak Park regulates outdoor music under its general noise ordinance. Residents may play music outdoors during permitted hours but must keep volume at levels t...
Oak Park, IL
Oak Park Village Code Chapter 23 establishes strict noise regulations. Quiet hours run from 9:00 PM to 7:00 AM Sunday through Thursday and 10:00 PM to 8:00 A...
Oak Park, IL
Oak Park prohibits amplified music and sound systems that create unreasonable noise disturbing neighbors, particularly during quiet hours (9 PMβ7 AM weekdays...
Oak Park, IL
Oak Park is not located directly under major airport flight paths and does not have its own local airport. The Village does not maintain separate aircraft no...
Oak Park, IL
Oak Park permits leaf blower use during allowed construction and landscaping hours, generally 7:00 AM to 7:00 PM Monday through Saturday. Leaf blower use on ...
Side-by-side rule comparisons with other cities in Cook County.
See how Oak Park's business tax classification rules stack up against other locations.
Help us keep this page accurate. If you notice an error or outdated information, let us know.