Aurora and Illinois Local Tax and Business Guides

Aurora sits in four counties at once, and that surprises many new owners: your property tax bill, your assumed-name filing and your health permit depend on which county your address is in, not on the city name on your mail. These local guides sort that out city by city and county by county.

Each guide explains who administers property tax, how the bill cycle works, how to register a business name and get a municipal license, what local taxes exist (Illinois has no city or county income tax, but home-rule cities can charge food and beverage, hotel, gas and other taxes), where to find small-business help, and how residents and owners file their returns and reports, including the cross-border reports many families in the area also owe.

If you are starting a business, read the Illinois step-by-step guide alongside your county page. For Illinois filings, see our Illinois tax guides.