The answer to 'how much does shut-off valve cost in Chicago' is that the cost can vary significantly depending on several factors. Shut-off valves are an essential plumbing component that allow you to turn off the water supply to a specific fixture or area of your home. The price for a shut-off valve can range from $20 to $150 or more, depending on the type, size, and material of the valve, as well as the complexity of the installation.
Factors that can influence the cost of a shut-off valve in Chicago include the location of the valve (e.g., under a sink versus in a basement), the accessibility of the valve, the type of valve (e.g., ball valve, gate valve, or globe valve), the material (e.g., brass, chrome, or plastic), and whether any additional plumbing work is required. It's best to get quotes from local plumbers to get an accurate estimate for your specific situation.