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Author: Elizabeth Blasius, Zach Mortice
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Looking for eligible properties will take a couple of minutes. Excluded: condos (while they're eligible, the association would have to decide); buildings with an unknown unit count. We recommend choosing "Not tax exempt", also.
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Changing the radius will have a large delay in loading the properties, so use it carefully.
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Tip: Use "Filter by zoning" and choose the "Transit" group of zoning districts. This ordinance is officially known as Transit Served Location.
Notes about our property data
Properties without a taxpayer name are likely tax exempt. Some properties have a blue "Chicago-owned land" label. To find all Chicago-owned land, past and present, use the "Chicago-owned land" map below. Building age data is not always reliable. This feature was supported by the Metropolitan Planning Council.
You can purchase all of our Cook County data in the Map & Data Store.
Data update schedule
Property information is updated frequently; properties with frequent lookups are updated weekly and others are updated monthly. Cook County updates tax information and property classification after the second tax bill goes out (mid summer), and assessment information is updated when a triad is re-assessed (varies based on location) or for special circumstances (like the COVID-19 pandemic).
by permits pulled in the last 60 days
by permits pulled in the last 60 days
Unlocked sample Place report is one of 486 Personal Place Places in our database.
Unlocked sample Place report spans 1 municipality:
Unlocked sample Place report spans 1 county:
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* Unit counts are interpreted from the permit description, and will exclude some permits that don't include the count in the description. Unit counts also exclude: townhouses, permits with descriptions that use words instead of numbers to count, and permits with misspelled words in the description. Single-unit houses are likely to be overcounted, while multi-unit buildings are likely to be undercounted.
Certain permit types are excluded from the table and the total: Electric wiring, elevator equipment, scaffolding, and signs. Changes are calculated from the previous year only.
Building footprints found here and nearby
Building violations found here or nearby
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Chicago-owned land found here or nearby
This data excludes those properties with the "Senior Freeze Exemption" because any property that had it in one year and not in the following year will show an extremely high increase (up to 970% in some cases).
The data includes single-family houses and 2-6 flats that had a property tax bill increase from 2017 to 2018 of greater than or equal to 25 percent. It excludes condos.
Residential properties with high property tax increases found here or nearby
This feature is only available for select users. It is not an add-on, and not connected to paid Cityscape memberships. Contact us if you would like access.
6,445 businesses licensed in Chicago (out of 67,274 active licenses) cannot be mapped at this time.
Some reports to 311 may not be shown because they were not mapped during the intake. They have no address and we cannot map them. Data is available for reports made to 311 since December 18, 2018. Report a vacant or abandoned building on Chicago's 311 website.