A curbless shower has no step at all: the bathroom floor flows straight into the shower. It looks clean and modern, and it's the most accessible option for aging in place. It's also one of the more involved bathroom projects, because the shower floor still has to slope to a drain.
THE CORE CHALLENGE
A standard shower floor sits 2 to 4 inches higher than the bathroom floor, inside a curb. To remove the curb, the shower floor has to drop below the bathroom floor so it can slope down to the drain. That means one of:
- Recessing the subfloor between the joists (cutting down, adding framing below)
- Raising the rest of the bathroom floor to meet the shower
- Using a pre-sloped low-profile pan or a linear drain that minimizes the drop
On a second floor with wood joists, recessing usually means modifying the framing. On a basement slab, it means cutting and trenching the concrete.
LINEAR DRAINS HELP
A linear (trench) drain along one wall lets the floor slope in one direction instead of four. That allows larger tiles, a shallower recess and a cleaner look. It costs more than a center drain.
TYPICAL COSTS
| Scope | Typical DMV Cost |
|---|---|
| Low-curb walk-in shower (for comparison) | $9,000 – $16,000 |
| Curbless shower, wood-framed floor | $14,000 – $24,000 |
| Curbless shower on a slab | $13,000 – $22,000 |
| Full bath remodel with curbless shower | $24,000 – $42,000+ |
Costs rise with structural work, glass panels, heated floors and large-format tile.
WATER STAYS IN WITH:
- Correct slope (typically about 1/4 inch per foot toward the drain)
- A waterproof membrane extended well beyond the shower area
- A fixed glass panel positioned to block spray
- A shower head aimed away from the open side
If you want curbless, plan for it at the start of a full remodel. Retrofitting it into an existing shower without touching the floor structure usually isn't possible.
RELATED READING
A WALK-IN SHOWER WITHOUT A DOOR: DOES IT WORK?
The space you need, keeping water in, fixed panels, and the trade-offs in a DMV winter.
AGING-IN-PLACE BATHROOM CHANGES THAT ACTUALLY HELP
Grab bars, curbless showers, comfort-height toilets and lighting, with 2026 DMV costs for each.
SHOWER REMODEL COST IN THE DMV (2026)
Prefab vs. custom tile, glass, valves, and the hidden line items that move the final number.
Planning a project? See our Bathroom Remodel service page for scope, process and recent work.
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