The answer to 'how much is sewer line' is that the cost of a sewer line replacement or repair can vary widely depending on several factors. Typical ranges for sewer line work can be from $2,000 to $15,000 or more, but the exact cost will depend on the length of the line, the depth, the material, accessibility, and whether it's a repair or full replacement.
Factors like the type of sewer line (e.g. clay, PVC, cast iron), the location (under a driveway or landscaping), and the complexity of the job (tree roots, collapsed pipe, etc.) can all impact the final price. It's essential to get multiple quotes from licensed plumbers in your local area to get an accurate estimate for your specific situation.