The answer to 'switch installation cost in Illinois' is that the typical cost to install a light switch can range from $75 to $200, depending on several factors. The main factors that influence the cost include the complexity of the electrical work, the type of switch being installed, the location of the switch, and whether any drywall or other surfaces need to be repaired.
For a basic single-pole light switch replacement in an existing electrical box, the labor and materials will generally be on the lower end of that range. More complex installations, such as adding a new switch or upgrading to a smart or dimmer switch, will be toward the higher end. Getting quotes from licensed electricians in your local area is essential to get an accurate estimate for your specific project.