What a Walk-In Shower Conversion Costs in Florida
Converting a tub to a walk-in shower in Florida costs $4,500 to $18,000+, depending on whether the drain moves and what enclosure you choose. The single biggest cost swing isn't tile or glass — it's whether your new shower footprint lines up with the existing drain location. If it does, you're in the lower half of the range. If it doesn't, the concrete slab has to be cut, and that changes the math.
| Conversion Type | Florida Range | What's Included |
|---|---|---|
| Drain Stays in Place | $4,500–$8,000 | Demo tub, new pan or curbless base, waterproofing membrane, tile, standard glass panel or curtain |
| Drain Relocation (slab cut) | $8,500–$14,000 | Slab cut and patch, new drain line, waterproofing, tile, framed or semi-frameless glass |
| Widened / Curbless Conversion | $11,000–$18,000+ | Larger footprint, slab cut, linear drain, custom niche, frameless glass, bench seating |
| Luxury / Zero-Threshold | $18,000+ | Full accessibility redesign, wide door opening, custom stone, frameless glass wall system |
Why the Drain Location Changes the Price
Nearly every Florida home is built on a concrete slab, not a raised wood floor. A tub's drain sits in a fixed spot in that slab. A walk-in shower has a different footprint than a tub — often wider and positioned differently for a curb or curbless entry — which means the drain frequently doesn't line up with where the tub drain was.
When the drain needs to move, the concrete has to be cut open, the drain line relocated and sloped correctly, and the slab patched before waterproofing and tile can begin. This single step is the most common reason a "simple" tub-to-shower conversion quote comes in far higher than a homeowner expected.
- Slab cut and drain relocation: $1,200–$3,000 depending on distance and linear footage
- Slab patch: Typically bundled into the plumbing line item — confirm this is included before signing
- Linear drain upgrade (for curbless designs): Adds $800–$2,200 over a standard center drain
Glass Enclosure Pricing
After plumbing, the enclosure is the next biggest swing factor.
| Enclosure Type | Installed Cost | Notes |
|---|---|---|
| Shower curtain / rod | $150–$400 | Lowest cost, common in rental-property conversions |
| Framed sliding or hinged glass | $600–$1,200 | Aluminum frame, standard tempered glass |
| Semi-frameless glass | $1,200–$2,200 | Heavier glass, minimal framing, common mid-range choice |
| Frameless glass | $2,200–$4,500+ | 3/8"–1/2" tempered glass, custom-measured, most common in master bath upgrades |
Florida's Mandatory Waterproofing Inspection
Any walk-in shower conversion in Florida is subject to Florida Building Code Section R702.4, which requires a waterproofing membrane and a pre-tile inspection. This applies whether or not the project also requires a plumbing permit — a licensed contractor is responsible for documenting a code-compliant waterproofing system before tile goes up. Skipping this step is how showers fail within a few years, not decades.
If the project involves relocating the drain or any supply lines, a permit is required under Florida law, and inspections (rough plumbing, then waterproofing, then final) are scheduled in sequence. Expect the permitted timeline to run 3–5 weeks from permit application to final inspection in most Florida counties during peak season (October–April).
The estimate that looks "too good" on a tub-to-shower conversion almost always assumes the drain doesn't move — and doesn't say so in writing. We measure the new shower pan footprint against the existing drain location before we ever quote a number, because a 6-inch offset is enough to require a full slab cut. If a contractor gives you a flat number without measuring your tub's drain position against your shower plan, ask them directly: "Does this price include a slab cut if the drain doesn't line up?" Get the answer in writing.
How much does it cost to convert a tub to a walk-in shower in Florida? A tub-to-walk-in-shower conversion in Florida costs $4,500–$18,000+. If the new shower drain lines up with the existing tub drain, expect $4,500–$8,000. If the drain needs to be relocated — which requires cutting the concrete slab, standard in Florida's slab-on-grade construction — expect $8,500–$14,000. Widened or curbless designs with a linear drain and frameless glass run $11,000–$18,000+. A Florida Building Code waterproofing inspection is required before tile installation on every conversion.
Permit Requirements
A walk-in shower conversion requires a permit in Florida when it involves any plumbing change (drain relocation, supply line move) or electrical work (new GFCI circuit, exhaust fan on a new circuit). A straight demo-and-rebuild in the same footprint with the same drain location can sometimes be done without a permit, but the waterproofing standard still applies and should be documented by your contractor regardless. Permit fees for this scope typically run $150–$500 depending on county.
Getting an Accurate Quote
An accurate walk-in shower conversion quote requires a site visit to measure your existing tub drain against your target shower layout, assess your slab, and confirm whether a permit is triggered. D&Co provides a written, line-item estimate within 48 hours that states plainly whether your project needs a slab cut — before you commit to anything.