View or download a list of Ogle County property assessments. There are two lists shown, one in parcel number order and the other in alphabetical order by owner. The values shown are after action by the township assessor, as of 9/20/2018. These values are subject to change by the Ogle County Board of Review and subject to equalization by the IL Department of Revenue. These values will form the basis for the 2018 real estate tax bills, which will be issued in 2019.