How much should a plumber cost to replace pipes under a house that now have roots in them?

The cost for a plumber to replace pipes under a house affected by roots can vary widely based on factors like location, the extent of the damage, and the type of pipes being installed. On average, homeowners can expect to pay between $1,500 to $5,000 for this type of work. Additional costs may arise if extensive excavation or additional repairs are needed. It's advisable to get multiple quotes from licensed plumbers to ensure a fair price.