Map of all local historic districts in the City of Detroit that is updated regularly and intended to be used for reference purposes only. Each local historic district is enacted by an ordinance containing a legal boundary description and elements of design. To obtain a copy of an ordinance, please consult Chapter 21 of the Detroit City Code or contact the Clerk's Office. Please note that all work conducted within a local historic district (construction, alteration, demolition, site work, etc.) requires review and approval by the Historic District Commission.For more information about final reports or proposed local historic districts currently under study, please visit the Historic Designation Advisory Board webpage or contact staff at (313) 224-3487.Column DefinitionsOBJECTID: Unique identifier for each record within this dataset.Name: Name of the Local Historic DistrictSection: The corresponding section within Chapter 21 of the City's Code of Ordinances.Year_Enacted: The day and year that the Local Historic District designation was enacted by the Detroit City Council for this area. Note: the time of day is not precise.Report_Link: Link to a report written by the Historic Designation Advisory Board that defines the boundaries of the area and describes the area's history. Historic districts enacted prior to 1976 do not have corresponding final reports.GlobalID: Unique identifier for each record within this dataset across geodatabases.Interior Designation: This field indicates if any interior alterations also require review and approval by the Historic District Commission. If it is blank, then only exterior alterations are reviewed.