Sewer line repair expenses in Thornton can vary for a number of reasons. Usually, homeowners should plan on spending somewhere between $1,500 and $6,000 to have their sewer lines fixed. If the problem is relatively minor, like a small crack in the line, and is located in an easily accessible spot, a repair might cost closer to $1,500. However, if the line has a major problem and needs to be replaced, the cost will likely be upward of $4,000. Even more if the area is hard to get to. Factors that influence these costs include how far underground the line is, how long the damaged section is, and what sort of repair or replacement will be done.Determining the exact plumbing issue can involve video camera inspection, which has a price tag between $250 and $500. Many local plumbing services, including those in Thornton, provide no-cost estimates. Obtaining several can provide a gauge of expected repair costs and the range of trenchless methods' prices. The less disruptive approach to accessing underground plumbing problems can actually save money in some cases, though it may not feel that way when faced with initial costs. Asking whether insurance or local services can pay for some part of the problem and its solution can also be a worthwhile conversation.