Madden Sewer specializes in performing the Private Drain Program for the City of Chicago.  

The description of the program is listed below from the City Website.

"The City may now repair sewer drain tiles coming from private residences, of up to four units, that are broken under the public way. This is the area from the city sidewalk to the center of the street.
Tiles proven to be broken under the public way will be repaired by the City at no cost to the property owner when the following conditions are met: A licensed sewer contractor must be hired to rod and/or make a video inspection of the drain line, and the contractor must schedule a review by a sewer inspector.
The Department of Water Management oversees the Private Drain Program."