FOIA requests received as of January 3, 2011 by the Department of Planning and Development (Department of Housing and Economic Development prior to January 2014).

FOIA requests received by the Public Building Commission since 2015.

FOIA requests received by Water as of May 1, 2010

FOIA requests received by the Department of Assets, Information & Services (AIS) since January 1, 2020.

AIS was formed by a merger of two departments on January 1, 2020. See the following datasets for their FOIA requests prior to the merger:

Fleet & Facility Management - https://data.cityofchicago.org/d/nd4p-ckx9

Innovation & Technology - https://data.cityofchicago.org/d/4nng-j9hd

FOIA requests received by the Department of Housing.