Bathroom Remodel Permit in North Miami Beach, FL (2026)

Research by DoINeedAPermit Research Team · Updated May 2026

The Short Answer

A full bathroom remodel in North Miami Beach requires a permit if you relocate plumbing fixtures, add electrical circuits, install new exhaust ventilation, or move walls. Surface-only work (tile, vanity replacement in place, faucet swap) is exempt.

North Miami Beach enforces the Florida Building Code (currently the 2020 edition with local amendments), and the city's Building Department operates a mandatory online permit portal for most residential work — you cannot file in person at the counter without pre-registering and scheduling. This differs from some nearby Miami-Dade jurisdictions that still allow walk-in filing. The city also enforces stricter-than-code mold-prevention rules for bathroom wet areas in high-humidity climates: any tub-to-shower conversion or new shower enclosure must specify the waterproofing assembly (cement board + membrane, or equivalent) on your submittal, and the city's plan reviewers will flag vague 'industry-standard' language. North Miami Beach sits in FEMA flood zone AE (check your property's elevation via their flood maps), which adds a secondary elevation certificate requirement if your bathroom is within 2 feet of the base flood elevation — a detail most homeowners miss until mid-project. Permits run $250–$650 depending on your project valuation; the city charges permit fees as a percentage of estimated construction cost (typically 1.5–2%), plus a $50–$100 base fee for trades, so a $15,000 bathroom remodel would yield roughly $275–$375 in permit fees alone, not counting electrical subpermits if circuits are added.

What happens if you skip the permit (and you needed one)

Stop-work orders in Miami-Dade County (which North Miami Beach enforces under) carry $500–$1,500 fines per day of continued work, plus mandatory re-pull of permit at double fees — a missed bathroom permit can cost $800–$1,200 in penalties before you step back on-site.
Insurance claims for water damage (burst pipes, mold from improper vent termination) will be denied if an adjuster discovers unpermitted plumbing or ventilation work — typical denial saves the insurer $5,000–$25,000 in claims.
When you sell, the buyer's title company will flag unpermitted work in their inspection; you'll be forced to either permit-and-inspect retroactively (costly and invasive) or knock 3–8% off the final price — a $300,000 home loses $9,000–$24,000 in value.
Lenders will not refinance or issue a HELOC if a property appraisal uncovers unpermitted bathroom renovation; you lose access to $40,000–$100,000+ in equity lines.

North Miami Beach full bathroom remodels — the key details

North Miami Beach requires a permit for any bathroom renovation that involves moving fixtures, adding circuits, or changing the ventilation or waterproofing assembly. The governing standard is the Florida Building Code (FBC), which the city adopted in 2020 (note: Florida does not adopt the IRC directly; it uses a parallel FBC adapted to seismic and hurricane loading). The specific requirements for bathrooms live in FBC Chapter 6 (Energy Efficiency) and Chapter 8 (Electrical); FBC references the International Plumbing Code for trap-arm lengths, vent-stack sizing, and fixture units. If you are moving a toilet, sink, or shower to a new location in the bathroom, you need a plumbing permit — relocating a fixture requires new rough-in work (supply lines, drain lines, vents), and the city will inspect the trap-arm length (maximum 6 feet from trap to vent under IPC P3005.1) and the vent termination (must be 4 inches above roof or through a secondary vent loop if in a wall cavity). If you are converting a tub to a shower or installing a new shower enclosure, the waterproofing assembly change triggers a permit, because the FBC now requires a vapor-impermeable secondary barrier (cement board + membrane, or tile-ready polystyrene, or other approved system) behind all tile in shower areas — this is not optional cosmetic work. North Miami Beach plan reviewers will ask you to specify which waterproofing system you are using and will request a detail or spec sheet; vague descriptions like 'best practice' or 'industry-standard' get rejected. If you are adding a dedicated exhaust fan or replacing an existing exhaust fan with a new duct run, you need a permit for the ventilation work — FBC M1505.2 requires a minimum 50 CFM continuous exhaust for bathrooms under 100 square feet, and the duct must terminate outside, not into an attic. Any new electrical circuits (dedicated circuit for heated floors, new outlet runs, lighting changes) require an electrical subpermit from the city.

North Miami Beach's permit portal (accessed via the city's online system) is mandatory for most projects; walk-in filing is discouraged. You'll need to create an account, upload your drawings (floor plan, electrical plan if circuits are added, plumbing layout if fixtures move, and a detail section showing waterproofing for shower work), and pay the initial permit fee online before the city's staff will begin plan review. The timeline for plan review is typically 5–10 business days for a straightforward bathroom remodel, but if the reviewer finds missing details (waterproofing spec, GFCI layout, vent termination detail), you'll get an email with rejection comments and will need to revise, re-upload, and wait another 5–10 days. Total elapsed time from submission to permit issuance is often 2–4 weeks. Once you have the permit, you can begin work, but all rough-in work (plumbing, electrical, framing, drywall) must be inspected before you cover walls with tile or finishes. The city uses a standard four-inspection sequence: (1) Rough Plumbing (inspects trap-arm length, vent termination, supply-line sizing), (2) Rough Electrical (inspects circuit breaker slots, GFCI/AFCI breaker installation, outlet locations, and the bath-specific GFCI requirement — all bathroom receptacles within 6 feet of the sink must be GFCI-protected per FBC Chapter 8), (3) Framing/Drywall (visual check for structural integrity and access to mechanical systems), and (4) Final (inspects tile installation, fixture connections, exhaust vent termination, and trip-hazard compliance). If you are only replacing fixtures in place (swapping a vanity, new faucet, same-location toilet), you do not need a permit.

A unique challenge for North Miami Beach bathrooms is the humidity and flood-zone context. The city sits in FEMA flood zone AE, and many properties are within 2 feet of the Base Flood Elevation (BFE). If your bathroom is below or near the BFE, the building permit will require an elevation certificate (a survey showing your first-floor elevation relative to the BFE), and any plumbing fixtures, HVAC equipment, and electrical panels must be above the BFE or protected with wet-floodproofing (typically a sump pump and check valve for fixtures below the BFE). This is a secondary permitting step that delays projects by 1–2 weeks, because you'll need to hire a surveyor ($400–$600) to issue the elevation certificate before the city will sign off on the final permit. Additionally, North Miami Beach enforces mold-prevention rules under local ordinance; the city's building staff require that any bathroom with a tub or shower include a properly sized and ducted exhaust fan (50 CFM continuous minimum, as noted above) and that all wet-area surfaces use mold-resistant materials — cement board (not drywall) behind tile, antimicrobial caulk, and a secondary vapor barrier. Submittals that ignore this mold requirement will be flagged during plan review.

The cost breakdown for a typical full bathroom remodel in North Miami Beach includes the permit fee (calculated at 1.5–2% of estimated project valuation, plus a $50–$100 base fee for plumbing and electrical trades — so a $15,000 project runs $275–$375), plus trade subpermits if electrical is added (typically no additional fee; the electrical work is bundled into the main permit). If you need a surveyor for an elevation certificate (due to flood-zone proximity), budget an additional $400–$600. The inspection timeline assumes you schedule inspections promptly after each phase; the city typically responds to inspection requests within 2–5 business days. If you are hiring a licensed contractor, they will handle permitting, plan submission, and inspections. If you are acting as owner-builder (allowed under Florida Statutes § 489.103(7) for one-family residential work), you must personally pull the permit, submit plans, and coordinate inspections — this saves contractor markup but requires you to interact with the city's permit system directly. Plan reviewers in North Miami Beach are generally responsive and will provide specific, actionable feedback if something is missing; if you get a rejection, read the comments carefully, make the revision (e.g., add a waterproofing detail for shower, or clarify the GFCI layout), and resubmit via the portal.

A final practical note: North Miami Beach has a humid subtropical climate (Zone 1A-2A per the FBC), which means bathrooms experience constant moisture. The city's inspectors pay special attention to exhaust ductwork termination — all duct must run outside the conditioned space and terminate above the roofline or through a soffit with a proper damper, never into an attic or crawlspace. If your ductwork has a long run (e.g., exhaust duct from a first-floor bathroom to roof termination), the inspector will verify that the duct is insulated or that condensation drains are installed, to prevent moisture accumulation. Likewise, if you are installing a steam shower or sauna-type feature, additional HVAC capacity (larger exhaust fan) may be required, and this will trigger an HVAC subpermit as well. Budget for these details in your timeline and cost estimate.

Three North Miami Beach bathroom remodel (full) scenarios

Scenario A

Simple vanity and toilet replacement in place, new tile and caulk — waterfront condo, Bal Harbour area

You are replacing an old vanity with a new 48-inch unit in the same footprint, swapping the old toilet for a new low-flow model in the same location, retiling the floor and shower walls, and re-caulking. No fixtures are moving, no new plumbing rough-in is needed, and no electrical circuits are being added — just new supply-line connections (faucet and toilet supply) and drain connections (under-sink trap and toilet flange) using the existing rough-in locations. This is surface-only work and does NOT require a permit in North Miami Beach. The tile and caulk work is cosmetic finishing; even though you are removing old tile and installing new, you are not changing the waterproofing assembly behind the shower wall — if the old wall was cement board + membrane (or equivalent), and you are installing new tile over the same substrate, no waterproofing detail is needed. You can source the vanity and toilet yourself, hire a plumber to do the swap and connections ($800–$1,500 labor), and proceed without notifying the building department. However, note that if the condo has a shared HOA or building system, you may need HOA approval for plumbing work (HOA rules are separate from permit rules, and many condo boards require contractors to carry liability insurance and get approval even for non-permitted work). Estimated total cost: $2,000–$4,000 (vanity, toilet, tile, labor, no permit fees).

No permit required (in-place fixtures only) | HOA approval may still be needed (verify with condo board) | Licensed plumber recommended for fixture connections | Tile work can be DIY or hired | Total cost $2,000–$4,000

Scenario B

Tub-to-shower conversion, new tile and waterproofing, same drain location — single-family home, Biscayne Park area

You are removing an existing built-in tub and replacing it with a walk-in shower, keeping the existing drain line (no relocation of the drain rough-in). The shower will have a tile-and-stone surround with a full waterproofing assembly (cement board + liquid membrane or sheet membrane). Because the waterproofing assembly is changing (tub area did not require secondary waterproofing; shower area does per FBC Chapter 8), this work requires a permit. You'll need to submit a permit application (via the city's online portal) with a floor plan showing the new shower layout, a detail section showing the waterproofing assembly (cement board, membrane type, grout, caulk, and weep-hole details if applicable), and a note confirming that the trap-arm length from the shower drain to the vent stack complies with the IPC maximum of 6 feet. The city will review your waterproofing detail and may request clarification (e.g., 'specify the membrane product' or 'confirm cement board is DUROCK or equivalent'). Once you submit, plan review takes 5–10 business days; if the reviewer approves, you'll get a permit issuance email. You can then begin demolition of the tub and rough-in inspection of the drain and vent (the inspector will verify the trap-arm length and vent termination). Once rough plumbing is approved, you can proceed with drywall, cement board, and tile installation. Final inspection checks tile installation, grout, caulk, and the plumbing trim-out. Total timeline: 2–4 weeks from submission to permit, plus 3–6 weeks for construction (depending on your contractor's schedule). Permit fee: $250–$350 (based on estimated project cost of $8,000–$12,000). If the existing drain line is deeper than 6 feet from the vent stack, the inspector will reject the rough plumbing and require you to re-route the vent line, which adds cost and timeline. Estimated total project cost: $8,000–$15,000 (tile, waterproofing materials, labor, permits).

Scenario C

Full gut renovation — relocate sink and toilet, add heated floor with new circuit, new exhaust duct, move wall 2 feet — older home near Aventura Mall, flood-zone AE property

You are gutting the bathroom completely: relocating the sink to the opposite wall (new supply and drain rough-in), relocating the toilet to a new location (new rough-in for supply, vent, and drain), installing a heated tile floor with a dedicated 20-amp circuit (new electrical rough-in), replacing the exhaust fan with a new larger unit and a new duct run to the roofline, and moving a non-bearing wall to reconfigure the space. This is a comprehensive remodel and requires full permits: plumbing, electrical, and structural. Your submittal will include a floor plan showing old and new fixture locations, a plumbing isometric drawing (or detailed plan) showing supply and drain routings with trap-arm lengths and vent-stack sizing, an electrical plan showing the new 20-amp circuit for the heated floor, the GFCI layout for all bath receptacles (within 6 feet of the sink per FBC Chapter 8), and the exhaust ductwork termination detail. The structural plan will show the wall relocation (if non-bearing, you may not need a structural engineer stamp, but the city may require it depending on wall height and load; assume $500–$1,000 for a structural engineer if needed). Because your property is in flood-zone AE, the city will also require an elevation certificate to confirm that the relocated fixtures, electrical panel, and HVAC are above the Base Flood Elevation (BFE); this requires a surveyor ($400–$600). Plan review will take 2–3 weeks (longer than a simple swap, because the reviewer must check structural, plumbing, electrical, and mold-prevention compliance). Once approved, you'll schedule rough plumbing inspection (trap-arm lengths, vent termination), rough electrical (circuit breaker, GFCI/AFCI, outlet locations, heated-floor sensor termination), framing inspection (wall removal, opening adequacy), drywall inspection (rough), and final inspection (plumbing trim-out, electrical trim-out, tile finish, exhaust termination). Inspections are typically 1–2 weeks apart, so total construction timeline is 6–10 weeks depending on inspector availability and contractor pace. Permit fees: plumbing $200–$250, electrical $150–$200, structural (if applicable) bundled into main permit, no additional HVAC permit needed if exhaust is part of plumbing. Total permit cost $350–$500. Estimated project cost: $20,000–$35,000 (materials, labor, permits, engineer/surveyor). This scenario showcases North Miami Beach's flood-zone requirements and plan review depth for complex remodels.

Permits required (fixture relocation, electrical circuit, exhaust duct, wall move) | Elevation certificate required (flood-zone AE property) | Plumbing, electrical, structural, and drywall inspections needed | Surveyor cost $400–$600 | Permit fees $350–$500 | Plan review 2–3 weeks | Total project cost $20,000–$35,000

Every project is different.

Get your exact answer →

Takes 60 seconds · Personalized to your address

North Miami Beach's waterproofing rules for showers and tubs — why the city is stricter than code

North Miami Beach sits in a hot, humid subtropical climate (ASHRAE Zone 1A-2A) with average indoor humidity exceeding 60% year-round due to ocean proximity and air-conditioning run-off. The city adopted a local amendment to the FBC requiring all tub and shower enclosures to include a secondary vapor-impermeable waterproofing assembly behind tile — cement board plus liquid or sheet membrane, in addition to grout and caulk sealant. This is more stringent than the base FBC, which allows certain configurations of drywall and paint in non-shower areas. The city's amendment exists because unpermitted or under-waterproofed bathrooms have historically led to hidden mold growth, structural rot (particularly in older condo buildings with shared walls), and expensive remediation. When you submit a bathroom remodel permit to North Miami Beach that includes a tub or shower area, the plan reviewer will ask for a detail drawing showing the waterproofing layers: (1) framing (studs), (2) cement board (DUROCK, HardieBacker, or equivalent), (3) membrane (liquid applied like RedGard or Hydroban, or sheet membrane like Kerdi), (4) tile setting bed (thinset mortar), (5) tile, (6) grout, and (7) caulk at movement joints. If your detail is vague — for example, 'ceramic tile on standard waterproofing per manufacturer' — the reviewer will reject it and ask you to specify the exact cement board product, membrane type, and thickness. This adds 5–10 days to your review timeline because you'll need to revise, resubmit, and wait again. Once the permit is issued, the inspector will visit during the drywall stage to verify that cement board (not drywall) was used in the shower surround, and will return at the final inspection to confirm that the membrane was properly applied and that tile and caulk meet the detail. If the inspector finds drywall behind tile in a shower area, they will issue a violation and require removal and replacement with cement board — a costly change-order mid-construction.

Flood-zone compliance and elevation certificates — a hidden cost for North Miami Beach bathrooms

Approximately 75% of North Miami Beach residential properties are in FEMA flood zone AE, which means they sit in the 100-year floodplain. When you pull a building permit for bathroom work (or any permit) in the city, the permit staff will check your property's FEMA designation. If your property is in AE, the building official requires an elevation certificate before the permit is finalized — this is a survey document prepared by a registered surveyor confirming the elevation of your home's first floor, foundation bottom, and utilities relative to the Base Flood Elevation (BFE). The BFE for North Miami Beach ranges from roughly 7 to 10 feet above mean sea level, depending on your exact location (check the FEMA flood map for your address at FEMA.gov). If your bathroom's floor elevation is below or within 2 feet of the BFE, you must ensure that all plumbing fixtures (toilet, sink, shower drain), water heaters, electrical panels, and HVAC equipment are either (a) elevated above the BFE, or (b) protected with wet-floodproofing (sump pump, check valves, water-resistant materials). For most single-story residential bathrooms in North Miami Beach, this means fixtures are already above the BFE (ground floor elevations are typically 8–12 feet), but you'll still need the elevation certificate to prove compliance. Cost: $400–$600 for the surveyor to visit, measure, and issue the certificate. Timeline: 1–2 weeks for the surveyor to schedule and complete the work. This cost and timeline are often overlooked by homeowners who only budget for contractor and permit fees; plan ahead if your property is in AE.

City of North Miami Beach Building Department
17001 NE 19th Avenue, North Miami Beach, FL 33162
Phone: (305) 948-2900 (main number; ask for Building Permits or check online for direct line) | https://www.nmbfl.gov/ (search 'building permits' or 'permit portal' on city website for online filing link)
Monday–Friday, 8:00 AM–5:00 PM (verify hours on city website before visiting)

Common questions

Do I need a permit to replace my toilet and vanity in place?

No. Swapping a toilet or vanity (or both) in their existing locations, along with cosmetic tile and caulk work, does NOT require a permit in North Miami Beach. The work is considered surface finishing and does not involve new rough-in plumbing or electrical. However, if you are moving the toilet or sink to a new location in the bathroom, you will need a plumbing permit because the relocation requires new supply and drain lines.

What is the difference between converting a tub to a shower versus replacing a tub with a new tub in the same location?

Replacing a tub with a new tub in the same location is surface-only work and does not require a permit (no waterproofing assembly change, no rough-in relocation). Converting a tub to a shower DOES require a permit because the waterproofing assembly changes — showers require a secondary vapor barrier (cement board + membrane) per FBC Chapter 8 and North Miami Beach local amendment, whereas tubs do not. The city's plan reviewer will ask you to specify the waterproofing system (e.g., cement board + Kerdi membrane) and will inspect it during construction.

I am adding a new exhaust fan to my bathroom. Do I need a permit?

Yes, if the exhaust fan is new (not an in-place replacement) or if you are running a new duct line to the exterior. The FBC requires a minimum 50 CFM continuous exhaust capacity for bathrooms under 100 square feet, and the ductwork must terminate outside, not in an attic. If you are replacing an existing exhaust fan with the same capacity and ductwork, no permit is typically needed; however, if the new fan is larger or the duct run changes, a permit is required. When in doubt, contact the North Miami Beach Building Department before starting work.

My property is in flood zone AE. Does that affect my bathroom permit?

Yes. North Miami Beach will require an elevation certificate (survey by a registered surveyor) to verify that plumbing fixtures and utilities are above or protected relative to the Base Flood Elevation (BFE). This typically costs $400–$600 and adds 1–2 weeks to your project timeline. The elevation certificate must be submitted before the permit is fully approved. If your property is not in a flood zone, this step is not needed.

What is the typical timeline for a bathroom remodel permit in North Miami Beach?

Plan review typically takes 5–10 business days for a straightforward remodel (surface work, simple relocations). If the reviewer finds missing details (e.g., waterproofing specification, GFCI layout), you'll get a rejection email and must revise and resubmit, adding another 5–10 days. Once issued, inspections are scheduled on-demand and typically completed within 2–5 business days of your request. Total elapsed time from submission to permit issuance is usually 2–4 weeks, plus 3–10 weeks for construction depending on scope and inspector availability.

Do I need to hire a licensed contractor, or can I pull the permit as owner-builder?

Florida Statutes § 489.103(7) allows owner-builders to pull permits for one-family residential work without a contractor license. North Miami Beach honors this statute, so you can act as owner-builder for your bathroom remodel. However, you must personally file the permit, submit plans, coordinate inspections, and manage the work. If you hire trades (plumber, electrician), they must be licensed in their respective trades unless you are doing the work yourself. Owner-builder approach saves contractor markup but requires your direct involvement in the permit process.

What are the GFCI requirements for a bathroom electrical permit in North Miami Beach?

Per FBC Chapter 8 (based on NEC 210.8), all receptacles within 6 feet of a sink in a bathroom must be protected by a GFCI (ground-fault circuit interrupter) or AFCI (arc-fault circuit interrupter) breaker. Additionally, any receptacle in a bathroom (even if more than 6 feet from the sink) must have ground-fault protection. When you submit an electrical plan for a bathroom remodel, the plan must show GFCI/AFCI breaker slots in the panel and the outlet locations. If your submission does not show this detail, the plan reviewer will reject it and ask for clarification.

I am moving my toilet and sink to new locations in my bathroom. What rough-in dimensions do I need to know?

The International Plumbing Code (adopted by FBC) specifies: (1) Toilet flange should be 12 inches from the finished wall centerline (standard ADA accessible height is 17–19 inches from floor to toilet seat). (2) Sink drain should be centered 4–6 inches below the rim. (3) Trap-arm from drain to vent stack cannot exceed 6 feet horizontal run. (4) Vent stack must be sized based on drainage fixture units (a toilet = 4 units, a sink = 1 unit; minimum 1.5-inch vent for a single bathroom). When you submit a plumbing plan, show the new supply and drain locations with dimensions and trap-arm lengths; the plan reviewer will verify compliance, and the rough plumbing inspector will verify the actual installation. If the trap-arm exceeds 6 feet, the inspector will reject it and require re-routing of the vent.

What happens if I tile a shower without a cement board and membrane waterproofing assembly?

If North Miami Beach's building inspector finds drywall (or other non-approved substrate) behind shower tile at final inspection, the inspector will issue a violation and require you to remove the tile, install cement board and membrane, and re-tile. This is a costly change-order that can delay your project by 2–4 weeks and add $1,500–$3,000 in labor and materials. Additionally, drywall behind tile is highly prone to hidden mold growth in North Miami Beach's humid climate, leading to potential structural damage and health issues. Always use the approved waterproofing assembly specified in your permit plan.

Are there any special requirements for bathroom ventilation in North Miami Beach?

Yes. North Miami Beach requires a minimum 50 CFM continuous exhaust capacity for bathrooms under 100 square feet per FBC M1505.2. The exhaust duct must terminate outside the home (not in an attic or crawlspace) with a damper to prevent back-drafting. If the duct run is long (more than 10–15 feet from the fan to the exterior), you may need to upgrade to a more powerful fan (70–100 CFM) to maintain adequate flow. The rough plumbing inspector will verify duct sizing and termination; the final inspector will confirm the duct is properly installed and damper is functional.

Disclaimer: This guide is based on research conducted in May 2026 using publicly available sources. Always verify current bathroom remodel (full) permit requirements with the City of North Miami Beach Building Department before starting your project.

More permit guides

National guides for the most-asked homeowner permit projects. Each goes deep on code thresholds, common rejections, fees, and timeline.

Do I need a permit for a full bathroom remodel in
North Miami Beach, Florida?