The answer to 'how much does water line cost' is that the cost can vary widely depending on several factors. In general, the cost of installing or replacing a water line for a home can range from a few hundred dollars for a simple repair up to several thousand dollars for a more complex project.
The main factors that influence the cost of a water line project include the length of the line, the material used (e.g. copper, PVC, or polyethylene), the difficulty of the installation (e.g. digging through concrete or rock), and any necessary permits or inspections. Additionally, the location and accessibility of the water line, as well as the cost of labor in your area, can impact the overall price.