The answer to 'cost of shut-off valve repair' is that the cost can vary widely depending on several factors. In general, the typical range for a basic shut-off valve repair is between $150 to $500. The exact price will depend on the type of valve, the complexity of the repair, the materials needed, and the labor costs in your local area.
Some key factors that influence the cost include the accessibility of the valve, whether the valve needs to be replaced entirely, and any additional plumbing work required. Repairs on older or harder-to-access valves may be more expensive. It's best to get quotes from local plumbers to get an accurate estimate for your specific situation.