The answer to 'how much to fix supply line in my area' is that the cost can vary widely depending on several factors. Typically, the cost to repair a supply line can range from $150 to $500 or more, depending on the complexity of the job and your location.
Some key factors that influence the cost include the length and material of the supply line, whether any drywall or other surfaces need to be repaired, the accessibility of the line, and the hourly labor rates in your local area. Larger jobs, such as replacing the entire supply line, can cost significantly more. Getting quotes from local plumbers is essential to understanding the specific costs for your situation.