How to finish a Basement Bathroom project series for the Do-It-Yourself handyman or homeowner.
The toilet, shower and sink empty into a sewage basin set in the concrete slab floor. A sewage ejector pump lifts the effluent overhead to drain into the main sewer line.
Basement Bathroom Finishing 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 cost to finish the basement bathroom was about $5,600 as follows:
- $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 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.
How to Finish a Basement Bathroom
This is a big project described in the following phases:
- Part 1 – Project overview, rough-in plumbing connections, painting the walls.
- Part 2 – Floor plan and fixture layout, relocate the shower drain in the concrete slab floor.
- Part 3 – Build the tile shower stall and shower floor.
- Part 4 – Tile measurements and layout.
- Part 5 – Tile the shower stall walls and floor.
- Part 6 – Solder shut-off valves on the sink and toilet copper 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 connect to the main sewer line.
- Part 10 – PVC sewer and outside air vent plumbing.
- Part 11 – High water alarm wiring and installation.
- Part 12 – Instal the toilet flange, setting the toilet, hooking up the water line.
- Part 13 – Bathroom vanity, sink, faucet, drain and water supply plumbing.
- 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 – Wire and install the vanity light.
- Part 17 – Bathroom exhaust fan installation overview.
- Part 18 – Sewage basin closure and testing for odors; overview of the water and sewer plumbing.
Finished Basement Bathroom Before and After Photos
In the beginning, the basement bathroom was bare walls and concrete slab floor with roughed-in plumbing stubs:
The bare walls and floor were transformed into an attractive basement bathroom:
Before – Hot and cold copper water pipes and PVC drain pipe plumbing rough-in for the toilet and vanity:
Finished basement bathroom toilet and vanity:
Basement bathroom vanity and light:
Another view of finished basement bathroom 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.
Finish the Basement Bedroom
After completing the basement bathroom, I converted a basement utility room into a nice bedroom in How to Finish a Basement Bedroom.
Thanks for reading,
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