Tub-to-Shower Conversion in Sarasota: Cost and Process

Tub-to-shower conversions are one of the most requested bathroom projects in Sarasota. The reasons are almost always the same: the tub never gets used, stepping over the edge is getting harder, or the bathroom feels small and dated. A walk-in shower fixes all three.

It is also the job where the difference between a good contractor and a bad one stays hidden longest. The tile looks the same on day one either way. What matters is the waterproofing behind it, and in Florida humidity, that shows up within a few years.

What a Tub-to-Shower Conversion Includes

1. Demolition. The tub, surrounding tile and wallboard come out. This is when we find out what is behind the walls: rotted framing, old leaks or mold are common in older Sarasota homes.
2. Plumbing changes. The tub drain is replaced with a shower drain, usually relocated, and the valve is moved up to shower height. On a slab, that can mean cutting the concrete to reposition the drain.
3. Shower pan and slope. The floor is built to slope correctly to the drain. Get this wrong and water sits in the corners forever.
4. Waterproofing. A continuous waterproof membrane goes over the walls and floor, with cement board or a similar substrate in the wet area, never standard drywall.
5. Tile. Porcelain is the most reliable choice for Florida bathrooms because it absorbs very little water. Grout is sealed.
6. Glass and fixtures. Frameless or semi-frameless glass, a new valve and showerhead, and often a niche for storage and a grab bar.

What Drives the Cost

A tub-to-shower conversion by itself usually costs less than a full bathroom renovation. Once you add new floor tile through the room, a new vanity, lighting and a fan, it moves into the same range as a standard Sarasota bathroom renovation, which typically runs $20,000 to $40,000. A full gut with layout changes and premium finishes runs $40,000 to $65,000 or more. Our Sarasota bathroom renovation guide breaks those tiers down.

The specific things that move the number:

• Moving the drain. Cutting the slab to reposition a drain adds labor, inspection and time.
• Curbless versus curbed. A curbless, zero-entry shower is great for accessibility but usually means recessing the floor, which costs more.
• Size. Extending the shower past the old tub footprint means more framing, tile and glass.
• Tile choice. Large-format tile needs a flatter substrate. Small mosaic floors take longer to install.
• Glass. Frameless glass costs more than framed or a simple curtain.
• What we find behind the wall. Rot or leak damage has to be repaired before anything new goes in.

Why Waterproofing Matters More Than Tile

Tile and grout are not waterproof on their own. Water gets through grout lines and travels to whatever is behind them. In a properly built shower, that is a continuous membrane that sends the water to the drain. In a badly built one, it is drywall or wood framing that slowly rots.

In Sarasota, where humidity is high most of the year, a failed shower usually shows up as loose tile, a musty smell, stains on the ceiling below or soft spots in the floor. By then the repair means tearing it all out. Ask any contractor exactly what waterproofing system they use, and whether the membrane covers the full wet area including the curb and niche.

Ventilation matters too. A properly sized exhaust fan that actually vents outside keeps moisture from building up in the walls and ceiling. Our guide to moisture-proof renovations in Florida goes deeper.

Do You Need a Permit?

Usually, yes, when plumbing is moved or the shower is rebuilt. Swapping fixtures like-for-like may not need one, but a conversion that relocates a drain or valve generally does. Your contractor should pull the permit and schedule the inspections. Our guide to home renovation permits in Sarasota County explains when a permit applies.

How Long It Takes

Once materials are on site, a straightforward conversion moves through demolition, plumbing, pan and waterproofing, tile, and glass in sequence, with inspections in between. Glass is usually measured after tile and installed last, which often adds a short wait at the end. Choosing your tile, valve and glass before demolition is the best way to keep the bathroom out of commission for as short a time as possible.

Should You Keep at Least One Tub?

If this is the only tub in the house and you might sell to a family with young children, think about resale before you remove it. Many buyers want at least one tub. If you have a second bathroom with a tub, or the home is aimed at retirees and seasonal residents, a walk-in shower in the primary bath is usually the better choice.

How Full Spectrum Handles Tub-to-Shower Conversions

Full Spectrum Construction Group has completed more than 10,000 projects across Southwest Florida since 2018. On every conversion we pull permits where required, build the pan with real slope, install a continuous waterproof membrane, use porcelain tile and size the exhaust fan for the room. You get a written, line-item quote before we start. See our bathroom and kitchen remodeling services or send us a few photos of your bathroom.

Frequently Asked Questions

How much does a tub-to-shower conversion cost in Sarasota?

A conversion on its own usually costs less than a full bathroom renovation. Combined with new floor tile, a vanity and lighting, it typically falls in the $20,000 to $40,000 range of a standard Sarasota bathroom renovation. Moving the drain, going curbless and frameless glass push the cost up.

Do I need a permit to convert a tub to a shower in Sarasota?

Usually, if the drain or valve is relocated or the shower is rebuilt. Like-for-like fixture swaps may not need one. Your contractor should pull the permit.

What is the best tile for a Florida shower?

Porcelain, because it absorbs very little water. The waterproofing behind the tile, sealed grout and good ventilation matter more than the tile itself.

Can I get a curbless walk-in shower?

Often, yes. A curbless shower usually requires recessing the floor or building up the surrounding floor, which adds cost but improves accessibility.

Will removing my only bathtub hurt resale?

It can, especially with family buyers. If you have another bathroom with a tub, or your likely buyers are retirees or seasonal residents, a walk-in shower is usually the better choice.