35 ILCS 200/10-15: Condominiums and cooperatives.

In counties with 200,000 or more inhabitants which classify property, condominiums occupied by the owner as a residence for a minimum of 6 months during the year and created in accordance with the provisions of the "Condominium Property Act", as well as land with improvements owned and operated as a cooperative, shall be assessed on the same basis of assessment as single family residences in such counties.