It may offer information on the names of the owner, builder, and architect, the building dimension, type of construction and legal description of the property. Cost of construction may also be included, but may have been understated to keep the cost of the permit down.
Permit copies are often available at the local library, township clerks offices, and of course your local historical society.
For ease of access, we suggest that you first try the UIC library. However, if your house was built after June 1954, they will not have a copy of your permit and you must go to the Department of Buildings.
Regardless of where you do your research, looking up your permit is a two-stage process:
Reminder: Street addresses and names may change over time, be sure to follow any hints to changes in address. Check for records at your local post office indicating regional address changes. Many homes were listed as Rural Delivery when they were first built, and are now surrounded by a full development with a classic street name.