The answer to 'how much is shut-off valve' is that the cost of a shut-off valve can vary significantly depending on several factors. Shut-off valves for plumbing fixtures typically range from $10 to $100 or more, depending on the size, material, and complexity of the valve.
The main factors that influence the cost of a shut-off valve include the type of valve (ball valve, gate valve, globe valve, etc.), the size (1/2 inch, 3/4 inch, etc.), the material (brass, chrome, PVC, etc.), and whether it's a basic or more advanced model. Installation costs can also add $50 to $200 or more, depending on the complexity of the job. Getting quotes from local plumbers is essential to determine the exact cost for your specific needs.