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Question DetailsAsked on 8/15/2013

how much will a new main plumbing system cost?

need to replace main drainage and other pipes

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1 Answer


You need to define what pipes exactly - inside or outside, water or sewer, including or not including furnace and hot water heater, etc. If someone has told you your entire plumbing system needs to be replaced, first I would get at least one other inspection and opinion, and secondly I would be very leery of this diagnosis unless the house is over say 70 years old. Water pipes last from about 20-30 years if galvanized, typically 30-100 years if copper. Sewer pipes typically last 50-200 years unless broken somehow.

A complete plumbing replacement including sewer pipes is a pretty rare thing unless a house is being entirely gutted ot the wood for a total rebuild, and is going to cost you probably $7-10,000 or more from faucet to street.

Use Submit Answer, below, to reply back with more details if you want a more detailed answer, or browse through the questions and answers in Home > Plumbing for responses on water and sewer line replacement costs and issues.

Answered 6 years ago by LCD

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