Eight essential sections covering FL code, waterproofing, permits, valves, fans, and trade sequencing.
Florida building permit requirements for bathroom remodels follow the Florida Building Code (FBC) strictly.
FL's humidity makes bathroom waterproofing more critical than almost anywhere in the country. FBC Section R307 and ANSI A108 standards govern FL shower waterproofing.
Fiberglass or PVC liner (40-mil minimum) set in sloped mortar bed. FL standard since the 1970s. Liner must be fully embedded, drain clamped to liner. Lifespan: 15–25 years. Cost: $400–800 for standard shower. Most common FL master bath tile shower construction.
Fabric or foam membrane bonded to substrate, joints sealed with Kerdi-band. Fast installation (1–2 days vs 3–5 for mortar bed). Lightweight. FL inspectors increasingly familiar. Lifespan: 20–30 years. Cost: $600–1,200. Excellent for FL renovations over existing subfloor.
Brush/roll-applied waterproofing over cement board or existing surface. Most economical. FL inspectors vary on acceptance — confirm locally. Must achieve specified mil thickness (minimum 60-mil for FL wet areas). Lifespan: 10–20 years. Cost: $200–500 materials.
The bathtub-to-walk-in-shower conversion is the single most common FL bathroom remodel. FL climate, aging population (FL #1 for 65+ population), and rental/resale value all drive this trend.
Plumbing $1,500–4,000 + Tile $1,500–4,500 + Glass door $800–2,500
Valve selection is the most consequential plumbing decision in a FL bathroom remodel — it affects comfort, safety, and reliability for 15–25 years.
Required by FL code. Maintains water temperature when pressure changes (toilet flush, other fixtures). Single control for temperature and volume. FL standard: Moen Posi-Temp, Delta Monitor, Kohler Rite-Temp. Cost installed: $350–600.
Maintains exact temperature set point regardless of pressure or incoming water temperature variation. FL benefit: FL hot water varies seasonally — thermostatic provides consistent shower temp. FL brands: Rohl, Hansgrohe, Grohe, Kohler DTV. Cost installed: $700–2,500+.
Allows temperature to be pre-set; separate handle controls flow. Common in luxury FL master baths. Allows body sprays/rainhead on separate volume controls from main showerhead. Code: thermostatic + pressure balance in series for FL compliance.
FL bathroom exhaust fans are not optional — FBC Section M1507 requires mechanical ventilation in bathrooms without operable exterior windows.
FL bathroom remodel requires careful trade coordination. Standard FL sequence for full gut remodel:
Large FL master bath showers (common in FL luxury market and primary residence builds) have specific plumbing requirements.
Combining rainhead + body sprays + handheld requires: (a) thermostatic mixing valve with multiple volume controls for each outlet, (b) pressure booster pump if home pressure is under 60 PSI with multiple heads running simultaneously, (c) minimum 3/4″ supply line to shower valve (not 1/2″ as used in standard showers). FL master bath standard: 3/4″ supply from main, 1/2″ feeds to individual valves.
FL code follows IRC: 30″ × 30″ minimum. ADA accessible shower (increasingly required in FL rental properties and aging-in-place remodels): 36″ × 36″ minimum, 60″ × 36″ for roll-in. Zero-threshold entry: FL standard for luxury and accessible showers. Requires linear drain (Schluter Kerdi-Line) or point drain with proper slope in all directions.
Excellent choice for FL — no curb = no water retention = better drainage. Requires careful slope planning (minimum 1/4″ per foot toward drain) and waterproof system extending 12″+ beyond shower area onto bathroom floor.
Kohler DTV+, Moen U, Hansgrohe ShowerSelect — programmable temperature and flow. FL consideration: WiFi connectivity in humid bathroom environment — ensure IP44 minimum rating. FL power reliability (storms) can require backup settings.
Complete cost estimates (all trades, not just plumbing) for FL bathroom remodels:
Combined fee range (building + plumbing + electrical) for a typical FL bathroom remodel:
| County | Combined Fee Range | Processing |
|---|---|---|
| Miami-Dade | $250–700 | 3–7 days |
| Broward | $200–550 | 2–5 days |
| Palm Beach | $200–600 | 2–6 days |
| Orange | $175–450 | 2–5 days |
| Hillsborough | $175–500 | 2–5 days |
| Pinellas | $175–450 | 2–4 days |
| Duval | $200–500 | 2–5 days |
| Lee | $175–450 | 2–5 days |
| Collier | $200–550 | 3–6 days |
| Sarasota | $175–450 | 2–4 days |
| Polk | $175–400 | 2–4 days |
| Volusia | $175–450 | 2–5 days |
| Brevard | $175–400 | 2–4 days |
| Manatee | $175–450 | 2–5 days |
| St. Johns | $175–400 | 2–4 days |
FBC Residential Section R307 — Bathroom fixtures and clearances (toilet: 15″ min from center to side wall, 21″ min clearance in front)
FBC Plumbing Section 402–405 — Fixture installation requirements
ANSI A108.01 — Wet area tile and waterproof membrane installation
ASSE 1016 — Pressure-balance shower valves (required in FL)
ASSE 1070 — Thermostatic mixing valves
FBC Mechanical Section M1507 — Bathroom exhaust ventilation requirements
FL Statute 489.105 — Licensed contractor required for all rough-in plumbing work
FBC Energy Code Section C403 — Water heating requirements for bathroom additions
IPC Section 404 — Water closet requirements and clearances
FL Statute 689.261 — Real estate disclosure requirements for unpermitted work
| Fixture | Minimum Clearance |
|---|---|
| Toilet — side wall to center | 15″ minimum |
| Toilet — front clearance | 21″ minimum |
| Shower — minimum size | 30″ × 30″ |
| ADA shower minimum | 36″ × 36″ |
| ADA roll-in shower | 60″ × 36″ |
| Lavatory — side clearance | 4″ from wall to center |
| Lavatory — front clearance | 21″ minimum |
| Bathtub — side access | 24″ minimum |
Questions about FL permits? We pull permits for all our jobs.
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On this page, Florida bathroom remodel plumbing estimates run about $50,000-$150,000, depending on home size, materials, and project scope. Use the calculator above for a Florida-specific estimate.
Pricing depends on the size and layout of your home, the pipe materials and fixtures you choose, your Florida region and local labor rates, and permit fees. Work that is more complex or harder to access generally costs more.
In Florida, minor maintenance may be DIY, but anything beyond that generally calls for a licensed plumber, and many jobs require a permit and inspection. When a permit, or your main water or drain lines are involved, hire a Florida-licensed plumber.
It depends on the cause and your specific policy. Sudden, accidental damage is more often covered than gradual wear-and-tear or maintenance - confirm the details with your insurer.
Timelines depend on scope - many routine jobs take a few hours to a day, while larger projects run longer. Your licensed plumber can confirm after assessing your home.
Planning estimate, not a quote — confirm with a licensed Florida plumber. Confidence is qualitative: ranges reflect this page’s Florida assumptions, not a guaranteed price.
Estimates on this page are Florida-specific and reflect Bathroom Remodel Plumbing for typical Florida homes.
From this page: On this page, Florida bathroom remodel plumbing estimates run about $50,000-$150,000, depending on home size, materials, and project scope. Use the calculator above for a Florida-specific estimate.
Your actual cost depends on your home's condition, layout, and local labor and permit rates.
From this page: Pricing depends on the size and layout of your home, the pipe materials and fixtures you choose, your Florida region and local labor rates, and permit fees. Work that is more complex or harder to access generally costs more.
Generally raises cost: harder access, older homes, added permits and inspections, premium fixtures or materials, and emergency or after-hours work.
Generally lowers cost: easy access, bundling several items in one visit, standard fixtures, and off-peak scheduling.
Curated Florida tools and resources related to this page.
Last reviewed: July 1, 2026 (US Eastern)
Reviewed by the FL Plumbing Tools editorial team.
Sources: Florida plumbing cost research and Florida Building Code / local authority-having-jurisdiction (AHJ) permit references.
Florida reference: Estimates and guidance reflect Florida labor rates, permitting, hard water, humidity, and coastal conditions.
Updates: Reviewed periodically and updated as Florida codes, permit fees, and market rates change.