What is the cost of replacing a cast iron plumbing stack?

The cost of replacing a cast iron Plumbing stack can vary depending on factors such as the size of the stack, the extent of the damage, and the location of the property. On average, homeowners can expect to pay between 1,500 to 4,000 for the replacement of a cast iron plumbing stack. It is recommended to get quotes from multiple contractors to get an accurate estimate for the specific job.