If you're thinking about replacing your bathtub with a walk-in shower, the first question is almost always the same: what's this going to cost me? It's a fair question — and the honest answer is that tub-to-shower conversion costs vary widely depending on what you choose and what your bathroom needs. This guide breaks down typical 2026 price ranges, the factors that move the number up or down, and a few things that are specific to homes here in Pinellas County.
The quick answer: typical 2026 price ranges
Nationally, most tub-to-shower conversions in 2026 land between $3,500 and $15,000, with a mid-range project averaging around $6,500. Here's how that breaks out:
- Basic acrylic or fiberglass conversion: roughly $3,500–$7,000. A prefabricated shower base and wall surround installed in the existing tub footprint, keeping the drain where it is.
- Mid-range walk-in shower: roughly $6,000–$10,000. Higher-quality solid-surface walls, a low-threshold base, glass doors, and upgraded fixtures.
- Custom tile walk-in shower: roughly $8,000–$15,000+. Full custom tile work, frameless glass, and any layout changes.
- Curbless (zero-entry) shower: add roughly $2,000–$5,000 to the above. The floor has to be reworked so water drains properly without a curb — great for wheelchairs and walkers, but more labor-intensive.
A few line items people forget to budget for: plumbing changes (moving a drain or replacing old pipes can add $800–$2,500), permits (typically a few hundred dollars in Florida), and glass doors, which can run $700–$2,500 on their own. Labor usually accounts for 40–60% of the total.
One important caveat: these are market ranges, not quotes. The only way to get a real number for your bathroom is to have someone look at it — more on that below.
What drives the price up or down
Materials and finish level
This is the biggest lever. A one-day acrylic conversion and a custom-tiled spa shower do the same job — they get rid of the tub — but sit at opposite ends of the price range. Solid-surface and acrylic systems have gotten very good in recent years: they're grout-free, mold-resistant, and much easier to keep clean, which matters a lot in Florida humidity.
Plumbing and what's behind the wall
If your new shower uses the existing drain and valve locations, plumbing costs stay minimal. Moving the drain, relocating the shower valve, or discovering old, corroded pipes behind the wall adds cost. Nobody can see behind your wall until demo day, which is why a good estimator asks about the age of your home and plumbing up front.
Accessibility features
Grab bars, built-in benches, handheld shower heads on slide bars, and low- or zero-threshold entries each add a little to the price — but they're far cheaper to install during the conversion than to retrofit later. If safety or aging-in-place is the reason you're converting, build these in from the start.
Size and layout changes
Keeping the shower in the tub's existing footprint (usually 60" x 30–32") is the most cost-effective approach. Expanding the shower, moving walls, or reconfiguring the bathroom moves you into full-remodel territory.
Why Pinellas County homes have their own quirks
A big share of the housing stock in St. Petersburg, Clearwater, Largo, Seminole, and Pinellas Park was built between the 1950s and 1980s. That has real cost implications:
- Slab foundations. Most Pinellas homes sit on concrete slabs, so moving a drain means cutting concrete. Keeping the existing drain location saves real money here.
- Original cast-iron plumbing. Older homes may still have cast-iron drain lines that are corroded or undersized. If yours have never been updated, ask your estimator to factor that in.
- Humidity and mold. Our climate is hard on grout and caulk. Non-porous wall systems or epoxy grout cost a bit more up front and pay for themselves in maintenance.
- Permits. Bathroom conversions involving plumbing changes generally require a permit from Pinellas County or your municipality. A reputable contractor handles this for you — be wary of anyone who suggests skipping it.
Is a tub-to-shower conversion worth it?
For most of the homeowners we talk to, this isn't really a style decision — it's a safety decision. The CDC reports that falls are the leading cause of injury for adults 65 and older, and the bathroom is one of the most common places they happen. Stepping over a 15-inch tub wall on a wet floor is exactly the kind of risk a low-threshold shower eliminates. A conversion is a fraction of the cost of a full bathroom remodel and can usually be done in days, not weeks.
One note on resale: if your home has only one bathtub, some buyers (especially families with young kids) prefer to see a tub in the house. If you have a second bathroom with a tub, this is a non-issue.
How to keep the cost down
- Keep the shower in the existing tub footprint and reuse the drain location.
- Choose a quality acrylic or solid-surface wall system instead of custom tile.
- Bundle accessibility features into the conversion instead of retrofitting later.
- Get an in-home estimate rather than a phone guess — surprises found on demo day are the most expensive kind.
Frequently asked questions
How long does a tub-to-shower conversion take?
A prefabricated acrylic conversion is often done in 1–2 days. Custom tile showers typically take one to two weeks including waterproofing cure times.
Does insurance or Medicare cover it?
Original Medicare generally doesn't cover bathroom modifications. Some Medicare Advantage plans, long-term-care policies, and VA programs offer allowances for safety modifications — worth checking your specific plan before you start.
What's the cheapest way to convert a tub to a shower?
A prefab shower kit installed in the existing footprint with no plumbing relocation. Just don't cut corners on waterproofing or installation quality — water damage repairs cost far more than the difference.
Get a real number for your bathroom
Ranges are useful for budgeting, but every bathroom is different — especially in older Pinellas homes. A free in-home estimate from a licensed local pro will tell you exactly what your conversion will cost, with your layout, your plumbing, and the finish level you actually want.