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Business Linceses and Permits
Building and Construction Permits
Department of Buildings

The City of Chicago Department of Buildings is dedicated to advancing public safety through code enforcement, community partnerships and creative use of technology to make Chicago a safe place to live, work and play. Visit the Chicago Department of Buildings Homepage for information regarding permit review options; the City of Chicago’s building code; and application requests.

Department of Buildings Homepage

If you’re interested in submitting an application for an interior alteration for your business or home please follow the instructions to the right:

Interior Alterations

Interior alterations do not require the Alderman’s approval, however, the Department of Building's 10-day permit waiting period can be waived for self-certified projects, with an aldermanic acknowledgment letter.

To apply for an aldermanic acknowledgment letter, please submit your request, floor plan and a copy of the 1st page of the permit application from the Department of Buildings to our office via shola@ward42chicago.com. Include complete contact information, including your email address and telephone numbers for return correspondence. Please expect a minimum 3-5 day turnaround for the signed application or approval letter.

Please note - residential interior alterations require an approval letter from the condominium association or board for processing.

For more information about the Department of Buildings, or to download the required applications:

Department of Buildings, (312) 743-3600

Constituent Service Office  |  325 W. Huron, Suite 510, Chicago IL, 60654 | Click here to Contact Us
Ph 312.642.4242 Fax 312.642.0420  |  office@ward42chicago.com  |  Office Hours: Mon.-Fri.: 9AM-5PM & Sat.: 10AM-2PM
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