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Chicago Historic Resources Survey - Red and Orange Buildings [Illinois--Chicago]

City of Chicago Data Portal · 2012 Full Details

Full Details

Title
Chicago Historic Resources Survey - Red and Orange Buildings [Illinois--Chicago]
Description
The Chicago Historic Resources Survey (CHRS), completed in 1995, was a decade-long research effort by the City of Chicago to analyze the historic and architectural importance of all buildings, objects, structures, and sites constructed in the city prior to 1940. During 12 years of field work and follow-up research that started in 1983, CHRS surveyors identified approximately 9,900 properties which were considered to have some historic or architectural importance. Please note that this CHRS dataset is limited and does not include the entire survey: 1. A color-coded ranking system was used to identify historic and architectural significance relative to age, degree of external physical integrity, and level of possible significance. This dataset only includes buildings identified with the two highest color codes: "Red" and "Orange." Buildings and structures coded "Red" or "Orange" (unless designated as a Chicago Landmark or located within a Chicago Landmark District) are subject to the City of Chicago's Demolition-Delay Ordinance (link to: http://www.cityofchicago.org/city/en/depts/dcd/supp_info/demolition_delay.html), adopted by City Council in 2003. 2. Only buildings are included in this dataset; structures and objects such as bridges, park structures, monuments and mausoleums, generally are not represented. Likewise, garages, coach houses, and other secondary structures associated with a building may not be consistently depicted or color-coded. If an "Orange"- or "Red"-rated building was demolished after 2008, it may still appear in the map. The CHRS occasionally rated only part of a building or part of a group of joined buildings as "Orange" or "Red;" however the entire building or group of joined buildings may be incorrectly identified as "Orange" or "Red." Additional information about the CHRS is available at www.cityofchicago.org/Landmarks/ or by contacting the Historic Preservation Division at (312) 744-3200. To view or use these shapefiles, compression software and special GIS software, such as ESRI ArcGIS or QGIS, is required. To download this file, right-click the "Download" link above and choose "Save link as."
Creator
data.cityofchicago.org
Publisher
City of Chicago Data Portal
Subject
Historic Preservation
Temporal Coverage
Last Modified: 2012-08-13
Date Issued
2012-03-09
Access Rights
Public
Language
English
Date Added
May 22, 2023
Provenance Statement
The metadata for this resource was last retrieved from Open Data Portal on 2025-11-17.

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  • Citation
    data.cityofchicago.org (2012). Chicago Historic Resources Survey - Red and Orange Buildings [Illinois--Chicago]. City of Chicago Data Portal. https://data.cityofchicago.org/d/ty7a-2bxt (web service)
  • BTAA Geoportal Link

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