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Plumbing Estimate - what to expect

Posted on 1/11/21 at 12:53 pm
Posted by Lestradamus
Baton Rouge
Member since Dec 2015
346 posts
Posted on 1/11/21 at 12:53 pm
About to go out for some bids on adding and moving some plumbing fixtures. Will have a total of 8 fixtures (3 bath fixtures moved, 3 added, and 2 kitchen fixtures moved). What’s a ball park you would expect from these details?

-Raised home
-Existing drain line buried, PVC, sized for having an additional bath
-3 moved bath fixtures are just relocating in same bathroom (trust me, they need to be moved)
-3 added bath fixtures will require about 20-25 foot drain run and roughly the same supply run
-2 moved kitchen fixtures will require a 25’ run to the existing drain tap (if it’s possible to tap into the buried line, will require a very short run), supply run will be about 20 feet
-Looking for piping and rough in estimate

Also, what are some major cost factors when doing these kinds of jobs? I would think existing supply and drain piping/materials would be a major factor, but would like some experienced feedback on what else I should look out for.
This post was edited on 1/11/21 at 12:56 pm
Posted by gumbo2176
Member since May 2018
15153 posts
Posted on 1/11/21 at 12:58 pm to
Don't know for sure but do know this:


Preparith thy arse!!!!
Posted by TU Rob
Birmingham
Member since Nov 2008
12740 posts
Posted on 1/11/21 at 2:03 pm to
quote:

Also, what are some major cost factors when doing these kinds of jobs? I would think existing supply and drain piping/materials would be a major factor, but would like some experienced feedback on what else I should look out for.


You said it was raised, does that mean easy access to all of the plumbing from underneath? We did something similar about 7 years ago. Converted a den into a master bath. Added a shower, freestanding tub, toilet, and double sink vanity. I have a full garage/basement and everything was exposed, so it was really easy to work on. Meaning he just had to hop on a ladder and not deal with crawlspace. We also converted an existing bath into a laundry room with a half bath behind a wall with a pocket door, so it was moving the sink hookups over about 4 feet, just replacing the toilet where it sat after we put the new tile floor in, and had to run hot and cold and a drain to the washer hookup where the existing tub had been.

I used a single contractor to do the install of plumbing and panel/drywall. I already had a good electrician who had done all the prewiring prior to the other contractors coming in.
I built the new walls myself after we did all the demo work. All in, it was about $3k for the plumbing part. They used PEX lines tapped into the existing copper water lines, and ran new PVC and tied that into the main drain. The whole project ran us about $7k for the contractor and the rest we did. We bought the plumbing fixtures ourselves and just paid them to install, and all the new fixtures weren't that bad. Tub was around $500, shower kit was about $400, and I know the double vanity was expensive but the wife bought it so I don't remember.
Posted by baldona
Florida
Member since Feb 2016
20481 posts
Posted on 1/11/21 at 2:40 pm to
Are the walls open? Actually roughing in all that with open walls is pretty quick and easy. But if the walls are closed and they have to work around a bunch of stuff that's going to be your biggest PITA.

The actual plumbing part of this and for the plumber and parts is not expensive. What's expensive is all of your fixtures and preparing the rooms for the plumbing work then getting it back to looking nice.
Posted by weadjust
Member since Aug 2012
15112 posts
Posted on 1/11/21 at 3:27 pm to
You also need to vent the relocated plumbing fixtures up inside the walls and through the roof
Posted by Lestradamus
Baton Rouge
Member since Dec 2015
346 posts
Posted on 1/11/21 at 3:46 pm to
quote:

You said it was raised, does that mean easy access to all of the plumbing from underneath?


Yeah it’s raised so easy access underneath. Will also have the Sheetrock removed, so the rough in shouldn’t be complicated.

Thanks for sharing your experience. Good to know.
Posted by Lestradamus
Baton Rouge
Member since Dec 2015
346 posts
Posted on 1/11/21 at 3:50 pm to
quote:

Are the walls open?


They will be open for the project. The crawl space is somewhat spceous too.

Thanks for your input. I’m hoping this will be somewhere in the range of 3k to 4k for this work.
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