The answer to 'cost of shut-off valve repair' is that the cost can vary significantly depending on several factors. Generally, the cost to repair a shut-off valve in your home can range from $150 to $500 or more. The exact price will depend on the type of valve, the complexity of the repair, the labor rates in your local area, and whether any additional parts or materials are needed.
Some key factors that influence the cost include the age and condition of the valve, whether it's a simple washer replacement or requires more extensive repairs, and the accessibility of the valve. Hiring a licensed and experienced plumber is essential to ensure the job is done properly and safely.