For example if you have FULL BATHROOMS you will count the amount of sinks, tub showers and toilets. In this case two of each. sinks, tub shower enclosures and toilets. In the northeast, the typical cost per fixture is between $ and $ per fixture to rough in the plumbing. In this example X $ = $.It might not feel like a great investment when you see that rush jobs come with premium costs. But the alternatives can be apocalyptic. Click here for quotes on different types of plumbing jobs. The cost of a plumber ranges from $ to $ for a typical job with the average cost per hour ranging from $ to $..PEX is a plastic material. It’s durable, safe and affordable. Because this type of pipe is flexible, it won’t burst. PEX costs less to install than copper. PEX is for indoor use only since it breaks down when exposed to UV light. With a new home, plumbing with PEX for water supply lines could cost between $, $,..How much does a plumbing for a new house cost? Cost to install plumbing system will be determined by dozens of factors and quote for the project will be provided after calculating the number of man hours to complete the work and estimating materials expenses which have to be purchased..