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 email@example.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
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