City Porches are specialized porch builders that understand Chicago code violations. Please call us for your free inspection at 773-231-8400. Chicago has some of the most stringent porch code laws in the country. Chicago has been plagued with porch collapses since the chicago fire. Ever since the collapse of a porch in Lincoln park and 13 people died, Chicago decided to take a second look at its deteriorating porch systems. City Porches understands these code because that’s all we do, commercial and residential porch systems on multi unit buildings that have violations.