Additional Dwelling Unit Areas

Published by data.cityofchicago.org | City of Chicago | Metadata Last Checked: July 29, 2025 | Last Modified: 2021-07-15

Areas eligible for Additional Dwelling Unit permits. Ordinance O2020-2850, passed in December 2020, creates five pilot area zones within which property owners can apply for additional dwelling units under the ADU program. For more information about ADUs in Chicago, visit http://www.chicago.gov/ADU. This dataset is in a format for spatial datasets that is inherently tabular but allows for a map as a derived view. Please click the indicated link below for such a map. To export the data in either tabular or geographic format, please use the Export button on this dataset.

Find Related Datasets

Click any tag below to search for similar datasets

Complete Metadata

identifier	https://data.cityofchicago.org/api/views/ttjb-ayff
issued	2021-07-14
landingPage	https://data.cityofchicago.org/d/ttjb-ayff
theme	[ "Buildings" ]