Property taxes are determined on an ad valorem basis, which means that the cost of the tax bill is based on the value of the property. The county assessor’s office compares each property with similar properties in the area to determine their respective values.

For Instance, the Cook County Assessor’s Office is responsible for placing a value on … Read More ›

Commercial properties account for one of several different classes, or types, of property in Cook County. In order to be considered commercial property, a parcel of real estate must be used for business activities.

Commercial property is often a building that houses office or retail space. It can also be land, a garage, hotel, theatre, gas … Read More ›

There are several different classes, or types, of property located in Cook County. Multi-unit residential properties are parcels of real estate that must be set up to accommodate several households in separate units. This can take the form of a single building with multiple units or any building structure with shared walls between units. Duplexes, … Read More ›

All properties in Cook County are reassessed on a triennial schedule. Every three years, the new valuations – along with appeals, exemptions, local tax levies, and assessments of nearby properties – determine the amount of future property tax bills.

The Assessor’s Office, the Board of Review, the Cook County Clerk, and the Cook County Treasurer all … Read More ›