Checked
City data
Building Violations
Published by City of Chicago · Updated 10/30/2026 · Daily
- Last updated
- 10/30/2026
- First published 01/26/2018
- Update frequency
- Daily
- Formats
- 4
- CSV, JSON, GeoJSON
- Coverage
- Chicago
- City in Illinois
About this dataset
Violations issued by the Department of Buildings from 2006 to the present. Lenders and title companies, please note: These data are historical in nature and should not be relied upon for real estate transactions. For transactional purposes such as closings, please consult the title commitment for outstanding enforcement actions in the Circuit Court of Cook County or the Chicago Department of Administrative Hearings. Violations are always associated to an inspection and there can be multiple violation records to one inspection record. Related Applications: Building Data Warehouse http://www.cityofchicago.org/city/en/depts/bldgs/provdrs/inspect/svcs/building_violationsonline.html. The information presented on this website is informational only and does not necessarily reflect the current condition of the building or property. The dataset contains cases where a respondent has been found to be liable as well as cases where the respondent has been found to be not liable.
Files and access
Links open the official government source
- CSV downloaddata.cityofchicago.orgCSV
- JSON (SODA API)data.cityofchicago.orgJSON
- GeoJSONdata.cityofchicago.orgGeoJSON
- XMLdata.cityofchicago.orgXML
API endpoint: https://data.cityofchicago.org/resource/22u3-xenr.json
Links open outside websites we do not control.
Frequently asked questions
- Who publishes Building Violations?
- City of Chicago publishes this dataset on Chicago Data Portal.
- How often is it updated?
- The publisher lists the update frequency as daily. The last update was on 10/30/2026.
- How do I download it?
- It is available as CSV, JSON, GeoJSON, XML. Use the links in Files and access, which open the official government source.
Where this catalog comes from
- Data.gov CatalogU.S. General Services Administration
- State and local open data portalsSocrata Discovery API
- State and city CKAN portalsCalifornia, Virginia, Boston, Houston and more
- Government ArcGIS Hub sitesCity and county GIS data
Catalog checked 10/30/2026
We list dataset descriptions only. Downloads and APIs link straight to the official government source, which holds the current version and its terms of use.
Source: Chicago Data Portal and Data.gov · Last updated 10/30/2026 · Listing only; the data stays with the publisher
Share: