The answer to 'how much to fix garbage disposal in Chicago' is that the cost to repair a garbage disposal can vary significantly depending on several factors. Generally, you can expect to pay anywhere from $150 to $350 for a professional plumber to diagnose and fix a garbage disposal issue in the Chicago area.
The exact cost will depend on the type of disposal, the extent of the repair needed (such as replacing the entire unit versus a simple reset or unclogging), the accessibility of the disposal, and the labor rates in your specific neighborhood. It's best to get quotes from 2-3 local plumbers to compare pricing and services.