Research by Ivan Tchesnokov
The Short Answer
DEPENDS — cosmetic updates at existing rough-in locations no permit; plumbing moves, new circuits, or structural changes require permits.
Cosmetic work at existing rough-ins: no permit. Moving drains, adding circuits, structural changes: permits via wpb.org. Florida certified contractor required (myfloridalicense.com). CFC-licensed plumber for plumbing permits; EC-licensed electrician for electrical permits. No FL Section 1101.4. Slab break required for any plumbing relocation. FPL for electric (1-800-226-3545).
Every project and property is different — check yours:

West Palm Beach FL bathroom remodel permit rules

West Palm Beach Building Services processes permits at 401 Clematis Street and through wpb.org. The permit trigger is system modification — relocated drains, new or extended circuits, or structural changes. Cosmetic work at existing rough-in locations requires no permit. Call (561) 805-6700 with scope questions. Florida requires certified or registered contractors for all permitted work — verify at myfloridalicense.com. Plumbing permits require a Florida Certified Plumbing Contractor (CFC); electrical permits require a Florida Electrical Contractor (EC). Florida has no Section 1101.4 equivalent.

FPL (Florida Power & Light) serves West Palm Beach for electricity — one of the largest electric utilities in the country and part of NextEra Energy. Contact FPL at 1-800-226-3545 or fpl.com for service coordination. Natural gas availability in West Palm Beach is limited and not universal — many WPB neighbourhoods are all-electric. Florida City Gas/Peoples Gas serves some areas (1-800-352-1400), but confirm gas service availability at your specific address before designing any gas fixture into the bathroom.

West Palm Beach homes are almost universally slab-on-grade — concrete slab foundation with no basement or crawl space. Every drain line, supply line, and conduit that serves the bathroom runs under that slab. Moving any drain connection requires a slab break: sawcutting and jackhammering through the concrete, excavating below the slab, rerouting the plumbing, and repouring and finishing the concrete. This process adds $2,500–$6,000 to the plumbing scope compared to a basement-access project. A CFC plumber with South Florida slab experience can assess the most efficient routing before design is finalised. The cost of the slab break is the most important single factor in determining whether to relocate plumbing in a West Palm Beach bathroom.

West Palm Beach construction is predominantly CBS — Concrete Block and Stucco — rather than wood-frame. Structural walls are load-bearing masonry block, not wood studs. Any wall that's being opened or modified requires assessment of whether it's a structural bearing wall; bearing walls in CBS construction require engineering involvement if openings are being modified.

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Three West Palm Beach bathroom scenarios

Scenario A
Cosmetic refresh — tile, vanity, toilet at existing rough-ins
No permit required. No slab break. Florida: moisture barrier requirements in wet areas (FBC). No FL Section 1101.4. FPL for electric service questions.
No permit | No slab break | FL moisture barrier | ~$6,000–$18,000
Scenario B
Walk-in shower — drain relocation (slab break required)
Plumbing permit (Florida CFC plumber). Slab break: $2,500–$6,000 premium. GFCI circuit: electrical permit (Florida EC electrician) via wpb.org. Florida certified contractor. No FL Section 1101.4. Assess slab routing before finalising drain location.
Plumbing + electrical permits | CFC plumber | Slab break: $2,500–$6,000 | EC electrician | ~$13,000–$30,000
Scenario C
Full gut renovation — CBS home
Building + trade permits via wpb.org. Florida certified contractor. CFC plumber + EC electrician. CBS structural walls: engineering if modifying bearing wall openings. Slab break for any drain relocation. FBC moisture barrier and waterproofing for wet areas.
Building + trade permits | Florida certified contractor + licensed trades | CBS structural assessment | Slab break if relocation | ~$20,000–$50,000

Every project is different.

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FactorWhat it means for your project
Slab-on-grade — universal in WPBMoving any drain = slab break. Add $2,500–$6,000 vs. basement-access homes.
Florida certified contractorCFC plumber + EC electrician for trade permits. myfloridalicense.com.
No FL Section 1101.4Plumbing permit does not trigger mandatory fixture upgrades.
CBS constructionConcrete block walls. Structural bearing walls require engineering if modified.
Natural gas limited in WPBConfirm availability at your address before designing gas fixtures.
West Palm Beach bathroom: slab break cost, Florida CFC/EC, CBS construction, wpb.org
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City of West Palm Beach Building Services 401 Clematis Street, West Palm Beach, FL 33401
Phone: (561) 805-6700 | wpb.org
Florida Contractor Licensing (DBPR): myfloridalicense.com
FPL (Florida Power & Light): 1-800-226-3545 | fpl.com
Florida City Gas / Peoples Gas: 1-800-352-1400 (if available at your address)
Call 811 (Sunshine 811) before digging: 811
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Common questions about West Palm Beach, FL bathroom remodel permits

Why is moving plumbing so expensive in West Palm Beach FL?

West Palm Beach homes are slab-on-grade — the concrete foundation slab is the floor, with no basement or crawl space below. All drain lines run under the slab. Moving any drain requires a slab break: sawcutting through the concrete, excavating below, rerouting the plumbing, and repouring the concrete. This process adds $2,500–$6,000 to the plumbing scope. Use a Florida CFC plumber with South Florida slab experience and get the routing assessed before finalising the layout.

What is CBS construction and how does it affect bathroom remodeling in West Palm Beach?

CBS stands for Concrete Block and Stucco — the dominant construction method in South Florida. Structural walls are load-bearing concrete masonry block rather than wood studs. This affects how electrical conduit is run (in block cells or surface-mounted), how plumbing penetrations are made, and what engineering is required if a bearing wall opening is being modified. A Florida certified contractor with CBS experience is essential for West Palm Beach bathroom work.

Information based on West Palm Beach, FL official sources and applicable state/local building codes as of April 2026. Codes and fees change — verify current requirements before starting work. For a project-specific report, use our permit research tool.