The answer to 'how much to fix water line replacement in Illinois' is that the cost can vary widely depending on several factors. Typically, water line replacement in Illinois can range from $1,500 to $5,000 or more, depending on the length of the line, the material used, the complexity of the job, and your location within the state.
Factors that can influence the cost include the depth and length of the water line, the type of pipe material (such as copper, PVC, or polyethylene), whether the line runs under a driveway or other hardscaping, and the accessibility of the line. Labor costs, permit fees, and any necessary excavation or landscaping work can also affect the overall price. It's best to get quotes from multiple licensed plumbers in your local area to get an accurate estimate for your specific project.