The answer to 'cost to install dimmer switch in Chicago' is that the typical cost to install a dimmer switch can range from $75 to $200, depending on several factors. The actual cost will depend on the complexity of the electrical work, the type of dimmer switch, and whether any additional wiring or electrical panel upgrades are required.
For a basic dimmer switch installation in a single-gang electrical box, you can expect to pay on the lower end of that range. However, if the existing wiring needs to be updated or the electrical panel needs to be modified, the cost can increase significantly. It's best to get quotes from local licensed electricians to get an accurate estimate for your specific project.