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Building Departments for Chicago, IL - ALL
Dekalb and Cook Counties projects in Illinois
and nearby departments in your area(s).
Areas of coverage for the sprawling city of Chicago go up to and include the bordering areas of Wisconsin.
For greater detail or information on geographic coverage areas visit each dedicated page.
Chicago Building Department
121 N La Salle St # 900
Chicago, Illinois 60602 (312) 744-3400
Cook County Building and Zoning Department
69 West Washington St # 2830
Chicago, Illinois 60602 (312) 603-0500
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