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This is a Non-Federal dataset covered by different Terms of Use than

Additional Dwelling Unit Areas

Metadata Updated: December 2, 2023

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

​​​​​This dataset is in a forma​​t 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.

Access & Use Information

Public: This dataset is intended for public access and use. Non-Federal: This dataset is covered by different Terms of Use than License: No license information was provided.

Downloads & Resources


Metadata Created Date October 23, 2021
Metadata Updated Date December 2, 2023

Metadata Source

Harvested from Chicago JSON

Additional Metadata

Resource Type Dataset
Metadata Created Date October 23, 2021
Metadata Updated Date December 2, 2023
Data First Published 2021-07-14
Data Last Modified 2021-07-15
Category Buildings
Public Access Level public
Metadata Context
Metadata Catalog ID
Schema Version
Catalog Describedby
Harvest Object Id 74ac27c2-3b43-494e-b9de-9a5f7518a4ad
Harvest Source Id 7590e386-229e-453a-8e53-6f18e200e421
Harvest Source Title Chicago JSON
Homepage URL
Source Datajson Identifier True
Source Hash 9b459fc129a98d06018759c5df224a9666471330aaedaee752068d0a4ffc4560
Source Schema Version 1.1

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