This is the final update of the “How to finish a Basement Bathroom” project series for the Do-It-Yourself handyman or homeowner. Links to each construction phase of the project are summarized below, starting from the bare walls to the finished bathroom.
How to Finish a Basement Bathroom – The Complete Series
The finished basement bathroom:
Basement Bathroom Installation Cost
I did all of the labor working mostly weekends with occasional help from my teenage son. Total labor for this project was about 8 to 10 man-days; I emphasize quality and neatness when working so I may be a little slower than others. Setting the tile is by far the most labor intensive part of the project.
The total material costs were ~$5,600 consisting of:
- $1700 porcelain tile, grout and thinset mortar
- $500 shower stall bedding cement, metal lathe, shower pan liner, cement backer board, screws, glue, etc.
- $1000 vanity cabinet, sink, faucet, vanity mirror
- $600 for copper- and PVC pipe and fittings
- $100 shower valve
- $550 sewage pump (eBay bargain item) and high water alarm
- $150 exhaust fan
- $200 electrical wiring, junction boxes and misc.
- $30 building permit
- $100 2×4 boards and plywood sheeting
- $350 toilet and fittings
- $150 towel racks, toilet paper holder
- $75 paint
- $100 tile wet saw rental
I already had all the tools necessary for the project, except for the tile saw which I rented from Home Depot.
Basement Bathroom Project Phases
- Part 1 – Project overview, rough-in plumbing connections, painting the walls.
- Part 2 – Floor plan and fixture layout, relocating the shower drain.
- Part 3 – Building the shower stall and shower pan.
- Part 4 – Tile measurements and layout.
- Part 5 – Tiling the shower stall walls and floor.
- Part 6 – Soldering shut-off valves on the sink and toilet water lines.
- Part 7 – Installing the shower head and valve. SharkBite solderless fittings.
- Part 8 – Hot and cold water copper plumbing connections to the main water lines.
- Part 9 – Sewage ejector pump installation and splicing into the main sewer line.
- Part 10 – PVC sewer and outside air vent plumbing.
- Part 11 – High water alarm wiring and installation.
- Part 12 – Installing the toilet flange, setting the toilet, hooking up the water line.
- Part 13 – Bathroom vanity, sink, faucet, drain and water supply plumbing; sewage pump operation video.
- Part 14 – Vanity light and switch electrical wiring and installation. Wiring diagram of the “before” and “after” branch circuits.
- Part 15 - Wiring the light switch. Overview of the GFCI, exhaust fan and vanity light switches.
- Part 16 – Wiring and mounting the vanity light.
- Part 17 – Bathroom exhaust fan installation overview.
- Part 18 – Sewage basin closure and testing for odors; overview of the finished water and sewer plumbing.
Before and After Photos
Before - In the beginning, there were only bare walls and floor with roughed-in plumbing stubs:
After – The bare walls and floor were transformed into an attractive bathroom:
Before – Plumbing rough-in for the toilet and vanity:
After -Toilet and vanity:
Vanity and light:
Vanity, door and tile:
I hope you find this bathroom project series informative and saves you money by:
- Helping you plan your Do-It-Yourself project.
- Understand the scope of work if hiring a contractor and knowing if your getting quality results.
Thanks for reading,
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