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Unfortunately, HARGIS in no longer accessible. We apologize for this temporary inconvenience. A new version of HARGIS will be available in the coming weeks. Please review the following document for temporary guidance during the HARGIS outage period: HARGIS Outage Guidance.pdf
The Historic and Architectural Resources Geographic Information System (HARGIS) is the public portal to Illinois’ historic buildings, structures, sites, objects, and districts. First launched in 2003, the database contains properties that have been listed in the National Register of Historic Places (red/gold), determined eligible for listing (blue), or surveyed without a determination (green).
While every effort has been taken to ensure the accuracy of the data in HARGIS, some factors are beyond our control. Properties may have been demolished or moved since surveys were taken, and addresses may have been changed or points placed on the map have been entered in error. In addition, the information contained in HARGIS may be outdated in some instances. This Web site functions as a research tool, not an up-to-the-minute inventory about every historic and/or architecturally significant property in the state. This tool allows researchers to investigate and review potentially significant properties according to the best data that is available in Illinois' historic preservation office. If you are aware of errors in the data, or if you can help us update information, please send an e-mail to firstname.lastname@example.org
and it will be corrected at a future time. There is currently a backlog of information not yet entered, so we ask for your patience as this is completed.
Lastly, the absence of a property from this database does not imply a lack of historic or architectural importance. On the other hand, properties included in HARGIS are not automatically assured grants or any other assistance or protection. Also, other historic properties may exist that have not yet been identified. It may be necessary to contact us for more information and to satisfy local, state, or federal historic preservation requirements.