Add a working bathroom to your Oswego basement, or rebuild the one upstairs, with the plumbing, venting and wiring done right. One crew handles every trade the bathroom needs.
Whether it is a new bathroom or a rebuilt one, we take on the whole room: the shower or tub, the tile, the vanity and toilet, the fan, the lighting and the walls. Showers get a continuous waterproofing membrane that is sloped to the drain and water tested before tile, since tile and grout let water through over time. Our crew handles the plumbing and electrical in the same job, so you deal with one estimate and one schedule. A half bath is often about a week, and a full bath usually takes two to three weeks once materials are in.
We cover Oswego in Kendall County on Route 34, Route 71, Orchard Road and Wolfs Crossing Road, on both sides of the Fox River. If your Oswego basement has capped drain stubs coming out of the slab, a bathroom can go in over that rough-in, and we confirm the stubs are vented and in usable spots before we lay out the room. Where there is no rough-in and the fixtures sit below the sewer line, the new bathroom drains to an ejector pit with a sealed lid and its own vent. Basement bathroom walls stand on concrete, so we use treated bottom plates and duct the fan outside to keep moisture out of the framing.

We locate the drain stubs, confirm they are vented and lay out the room so the toilet and shower land where they work.
Where fixtures sit below the sewer, we install a sealed ejector basin, pump, check valve and vent.
Waterproofing goes over the walls and pan, sloped to the drain and flood tested before tile.
Treated bottom plates and moisture-resistant board go where the walls meet the slab.
An exhaust fan is ducted outdoors, the lighting gets its own switch and the sink outlet gets GFCI protection.
The fixtures are installed and tested, then we hang the door casing and base and paint.
We look at the space, the existing plumbing and where the drain can tie in, then write a free estimate that lists every fixture and every trade. For a basement bath, the estimate shows whether we are using an existing rough-in or adding an ejector pit, so you know what you are deciding on. Anything that turns up once the floor or walls are opened is priced in writing and done only after you approve it. We schedule inspections as the work reaches them and finish with a walkthrough where every drain and the pump run in front of you.
Call or text (815) 585-1750 and we will come look at the space. You get the layout, the plumbing plan and every trade in writing.
Call or text (815) 585-1750
Email matt@onitcc.com