Tub to Shower Conversion in South Florida

Convert your outdated bathtub into a spacious, modern shower.

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Introduction

That old bathtub probably hasn't been used in years. Most South Florida homeowners shower daily and bathe almost never, yet a full tub footprint eats up a third of your bathroom.

A tub to shower conversion trades that wasted space for a modern, open shower you'll actually use every day. Haven Home Remodeling Group handles every phase (demolition, plumbing relocation, waterproofing, tile work, glass enclosure, and final inspection) one crew, one schedule.

Our dedicated, long-tenured crews have completed thousands of tub to shower conversions across Miami-Dade, Broward, and beyond, typically finishing in as little as three to seven days. If you're comparing contractors, this guide covers everything you need to make a confident decision. Materials, process, costs, and what to watch for in South Florida specifically.

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Modern subway-tile shower with matte black fixtures after a tub-to-shower conversion
A tub-to-shower conversion trades wasted space for a shower you'll actually use every day.

Local Insight

Why Tub-to-Shower Conversion Makes Sense in South Florida

Tub to shower conversion is the single most requested bathroom upgrade in South Florida's housing stock, where pre-1990s homes and condos were built with one or two full tubs that sat unused once the kids grew up. The Florida Building Code requires only one bathtub or shower per dwelling unit, so as long as one tub remains in the home, you are fully code-compliant removing another. That small code detail opens the door for millions of homeowners to reclaim square footage without any legal hurdle.

South Florida's subtropical climate adds a layer of urgency most northern contractors never think about. High humidity and salt air accelerate mold growth behind old tub surrounds. Acrylic tub decks crack. Caulk joints fail within a few years. A tub to shower conversion done with a full cement board or Schluter Systems KERDI waterproofing membrane eliminates those moisture traps permanently. Proper waterproofing is not optional here. It's what separates a five-year install from a twenty-year one.

“The Florida Building Code requires only one bathtub or shower per dwelling unit, so as long as one tub remains in the home, you are fully code-compliant removing another.” Key insight from this section

Historic neighborhoods like Coral Gables and Coconut Grove have some of the oldest plumbing in Miami-Dade. A tub to shower conversion in those homes often reveals cast-iron drain lines and galvanized supply pipes that benefit from an upgrade during the same project. Haven's licensed plumbers assess the existing rough-in during the free estimate so there are no surprise change orders once the tile comes down.

One Code Fact Worth Knowing

The Florida Building Code requires at least one tub or shower per dwelling, not one tub. Remove a second tub freely, and your home stays fully code-compliant.

What You Get

What's Included in a Tub-to-Shower Conversion

Full Bathtub Removal

We demo the tub, surrounding tile, and backer board down to the studs and subfloor. Cast iron tubs are cut in sections on-site to clear tight bathroom doors. A technique that protects your hallways and floors.

Plumbing Relocation

Tub drains sit at one end of the footprint. Shower drains center under the floor. Our licensed plumbers re-route the P-trap and drain line, then cap the old tub spout supply and rough in new valve and showerhead positions.

Waterproof Substrate Installation

We install cement board or a sheet-membrane waterproofing system like Schluter KERDI before any tile goes up. This step is the most important one, and the one most DIY conversions skip.

Tile and Stone Work

Large-format porcelain, natural stone, and subway tile are all options. We set the floor with a mortar bed sloped precisely to the drain so water drains completely, no standing puddles, no mold.

Glass Enclosure or Walk-In Opening

Semi-frameless and frameless glass enclosures are the most requested finishes in South Florida. We also build curbless walk-in openings for a spa-style look or for accessibility upgrades.

Permit and Final Inspection

Haven pulls the required building permit for every tub to shower conversion. We schedule and pass the final inspection. You get a closed permit, which protects your home's value at resale.

Large-format porcelain and frameless glass tub-to-shower conversion, a clean finish
Large-format porcelain and frameless glass, a clean finish, Haven Bathrooms & Roofing, Miami, FL

Local Insight

Tub-to-Shower Conversion: Materials and Options

The tile or stone you choose sets the look, but the substrate underneath determines how long it lasts. We build every shower pan on a properly sloped mortar bed, typically a 1/4-inch drop per foot toward the center drain. That slope is code-required under the Florida Building Code and prevents the pooling water that destroys grout joints over time. For walls, cement board covered with a liquid-applied waterproof membrane gives the most flexible finish for tile choices.

For showerheads and valves, Moen, Delta, and Kohler pressure-balance valves are the standard in South Florida's residential market. They prevent scalding when a toilet flushes, required in all new shower installs under Florida's plumbing code. Thermostatic valves with separate volume controls are available for a more custom, spa-like experience. Rain heads, body sprays, and handheld wands can all be roughed in during the same conversion if you tell us upfront.

“Frameless 3/8-inch tempered glass is the most popular choice in places like Miami Beach tub-to-shower conversion projects, where high-rise condos demand a sleek, open look.” Key insight from this section

Glass enclosures deserve special attention in coastal markets. Frames and hardware exposed to salt air corrode fast if you use standard aluminum. We specify brushed nickel or matte black finishes with marine-grade seals. Frameless 3/8-inch tempered glass is the most popular choice in places like Miami Beach, where high-rise condos demand a sleek, open look. In suburban homes across Kendall and Cutler Bay, semi-frameless swinging doors offer a balance of style and cost.

Side-by-Side

Shower Pan Options: Tile vs. Prefab

FeatureCustom Tile PanPrefab Acrylic Base
Installation time2–3 days (mortar bed cure needed)Same day
Design flexibilityAny size, shape, or tileStandard sizes only
Durability20+ years with proper waterproofing7–12 years before cracking
Mold resistanceHigh: grout sealed, no seamsLower: edges and seams collect mold
CostHigher upfrontLower upfront
Resale valueStrong: buyers notice quality tileNeutral to negative

Process

Tub-to-Shower Conversion: The Haven Process

1

Free In-Home Estimate

Aldo Dellamano's team visits your home, inspects the existing tub surround and plumbing rough-in, and gives you a detailed written estimate. We note any cast-iron plumbing, existing waterproofing failures, or structural surprises so there are no change-order shocks mid-project.

2

Permit Pulled Before Work Starts

Haven pulls the building permit with your local municipality before the first tile comes down. In Miami-Dade, that means complying with the Florida Building Code's High Velocity Hurricane Zone (HVHZ) requirements. We handle all permit applications and inspections so you don't have to.

3

Demo and Rough Plumbing

Bathtub removal typically takes a half-day. Our crew protects your floors and walls, then removes the tub, backer board, and any damaged framing. The plumber re-routes the drain and supply the same day, so the project keeps moving.

4

Waterproofing and Tile Installation

We install the mortar bed and slope, apply the waterproofing membrane, and set tile. Large-format tiles, 24x24 or 12x24 planks, are the current standard. Grout lines are kept tight and sealed with a penetrating sealer at project close.

5

Glass, Fixtures, and Final Inspection

Glass enclosures are measured after tile is complete and fabricated to exact dimensions, usually a 3–5 day lead time. Fixtures are installed, caulk lines are finished, and we schedule the final building inspection. You receive a closed permit card before we leave.

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Haven's Track Record

Haven completes more than 1,700 roofing and bathroom remodeling projects per year across South Florida, backed by a lifetime workmanship warranty.

Local Insight

Tub-to-Shower Conversion Across South Florida

South Florida is not one market. It's a dozen micro-markets with different housing types, plumbing eras, and HOA rules. In the urban core, homeowners in Miami, Hialeah, and Doral often work in condos or townhomes where HOA approval and building management coordination are part of the job. Haven handles that paperwork. We schedule deliveries and dumpster placement around building rules and coordinate elevator access so your neighbors aren't impacted.

In historic and mature neighborhoods, tub to shower conversions require extra plumbing awareness. Homes in Coral Gables frequently have original cast-iron drains and galvanized supply lines. We pressure-test supply lines before closing walls and recommend PEX or CPVC re-pipes when the existing pipe shows corrosion. That proactive call saves homeowners from a water damage claim six months down the road. North Miami homeowners in areas like North Miami and Aventura face a similar profile, mid-century construction with plumbing that's long past its design life.

“Suburban Miami-Dade (Miami Lakes, Cutler Bay, and Kendall) tends to feature 1980s and 1990s tract homes where the master bath has a garden tub that nobody uses.” Key insight from this section

Suburban Miami-Dade (Miami Lakes, Cutler Bay, and Kendall) tends to feature 1980s and 1990s tract homes where the master bath has a garden tub that nobody uses. These are ideal tub to shower conversions: the footprint is generous, the plumbing is in good shape, and the project runs cleanly in three to four days. Down south in Homestead, newer construction from the post-Andrew rebuild era often has straightforward PVC plumbing that makes drain relocation fast and inexpensive.

Curbless linear-drain shower conversion, accessible and modern
Haven Tub-to-Shower in South Florida. Tile layout and grout work in progress

By the Numbers

Haven by the Numbers

3–7 Days
Typical Install Time
Most tub-to-shower conversions finish in under a week
1,500+
Permits Pulled per Year
Every project is permitted: no exceptions
Start to Finish
Crew Model
The same dedicated crews on every project

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Local Insight

How This Service Fits Your Bigger Picture

A tub to shower conversion is often the first step into a broader bathroom remodeling project. Once the tub is out, homeowners frequently decide to replace the vanity, update the toilet, or add new flooring while the space is already open. Haven's full full bathroom remodel service covers all of that under one contract and one permit pull, more efficient and less disruptive than staging separate projects months apart.

If you're converting a tub specifically to age in place or accommodate a mobility limitation, our accessibility upgrades service goes further. We install grab bars rated to 250 pounds per the ADA Standards, build curbless zero-threshold entries, add fold-down teak benches, and configure handheld showerheads at seated height. These modifications can be engineered into a tub to shower conversion from the start, no additional demo, no extra tile day.

“Once the tub is out, homeowners frequently decide to replace the vanity, update the toilet, or add new flooring while the space is already open.” Key insight from this section

If you love the idea of a fully custom shower built from scratch (niche shelving, a double showerhead layout, or a wet-room design) our walk-in shower installation service details those options in full. Many homeowners start with a tub to shower conversion budget and upgrade to a full custom walk-in once they see the possibilities. We'll give you both quotes and let you decide.

Permits Protect You at Resale

An unpermitted tub-to-shower conversion can delay or kill a home sale in South Florida. Buyers' inspectors flag open or missing permits every time. Haven closes every permit before the project is complete.

Common Questions

Tub-to-Shower Conversion FAQs

Most tub to shower conversions in Miami-Dade complete in three to seven business days from the first day of demo. The timeline depends on the shower pan choice. A custom mortar-bed tile pan needs 24–48 hours of cure time before tile can be set, while a prefab base can go in the same day. Glass enclosures are measured after tile is complete and typically have a three-to-five-day fabrication lead time. Haven schedules glass to arrive right as tile work wraps, so there's no gap in the project. The building permit inspection is the final step and is usually scheduled within a day or two of completion.

Yes. A tub to shower conversion involves plumbing work, specifically relocating or replacing the drain and supply lines, which triggers a required building permit in every municipality across South Florida, including all Miami-Dade and Broward cities. Skipping the permit is a serious risk: it can appear as an open or unpermitted alteration on a title search, which delays or derails home sales. Under the Florida Building Code's High Velocity Hurricane Zone (HVHZ) rules in Miami-Dade and Broward, permitted work must also pass a final inspection by a licensed building official. Haven pulls every permit and schedules every inspection as part of the standard project scope. It's included in the estimate.

Tub to shower conversion costs in South Florida typically range from $3,500 to $9,000 depending on the shower size, tile selection, plumbing complexity, and whether a glass enclosure is included. Homes in historic neighborhoods like Coral Gables may run toward the higher end if older cast-iron or galvanized plumbing needs to be updated during the project. A basic tile pan with a semi-frameless door sits closer to the lower range. A fully custom curbless walk-in with frameless glass, a niche, and a rain head will approach the upper end. Haven provides detailed written estimates with line-item pricing so there are no surprises. Financing is available for qualified homeowners.

Yes, but condo tub to shower conversions in Miami Beach and Aventura require an extra layer of coordination. Most high-rise buildings require HOA or building management approval before any plumbing work begins, and many have rules about work hours, elevator use, and debris removal. Haven handles all of that coordination on your behalf. We submit the required documentation to the building association, schedule work within approved hours, and use freight elevators for material delivery and debris. The City of Miami Beach and the City of Aventura both require building permits for plumbing alterations. We pull those as standard practice.

In most South Florida homes, removing one bathtub does not hurt resale value, provided at least one bathtub remains in the home. The Florida Building Code requires only one tub or shower per dwelling unit, so a home with one remaining tub is fully code-compliant. In family-oriented suburban markets like Kendall or Homestead, buyers with young children do value having at least one tub. But in urban condos, coastal properties, and homes where the target buyer is an adult couple, a modern tub to shower conversion typically adds perceived value. A well-tiled, permitted shower with frameless glass almost always outperforms an old, stained bathtub in buyer appeal.

Haven uses either a Schluter KERDI sheet membrane or a liquid-applied waterproofing membrane over cement board, depending on the project configuration. Both systems are fully waterproof at the walls and floor pan before any tile is set, a critical step in South Florida's high-humidity environment. Standard cement board alone is not waterproof and is insufficient on its own in a shower environment. We also apply a penetrating grout sealer at project close and recommend resealing grout annually to maintain the barrier. Proper waterproofing is the difference between a shower that lasts five years and one that lasts twenty or more.

In Hialeah and Doral homes, the existing tub drain sits at one end of the bathtub footprint, typically 12 to 18 inches from the wall. A shower drain needs to be centered under the new shower floor. Haven's licensed plumbers re-route the P-trap and drain line to the new center position, adjust the slope to meet the Florida Building Code's minimum 1/4-inch-per-foot requirement, and pressure-test the new rough-in before any waterproofing or tile goes down. Supply lines for the old tub spout are capped, and new valve and showerhead positions are roughed in at the correct heights. All plumbing work runs under Haven's own Florida plumbing license, one accountable team for the entire project.

Helpful Reads

Bathroom Guides for South Florida

This article is provided for general information only and reflects current Florida Building Code requirements, common South Florida construction practices, and Haven's field experience. Actual project costs, permit requirements, material availability, and timelines vary based on your home, municipality, and project scope. Florida law requires that any residential construction work over $1,000 be performed by a licensed contractor. Always consult a Florida-licensed contractor before starting a roofing or bathroom remodel and verify credentials at myfloridalicense.com. This guidance is not a substitute for a project-specific estimate or on-site evaluation by a licensed professional.

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