The answer to 'how much to fix supply line in Illinois' is that the cost can vary significantly depending on several factors. Typically, the cost to repair a supply line in Illinois can range from around $150 to $500 or more, depending on the complexity of the repair and the materials needed.
Some key factors that influence the cost include the type of supply line (e.g., copper, PEX, or plastic), the length of the line that needs to be replaced, the accessibility of the line, and whether any additional plumbing work is required. Labor costs can also vary based on the plumber's experience and location within Illinois. Getting quotes from local plumbers is essential to get an accurate estimate for your specific situation.