FL Outdoor Kitchen & Pool House Plumbing Permit Guide
Gas line sizing · Outdoor sink rough-in · Reclaimed water · Pool house permits · FBC outdoor code compliance
FBC §448 · FPC Gas Sizing · Reclaimed Water · All FL Counties · Accessory Structure Permits
📋 Do I Need a Permit for Outdoor Plumbing?
Yes — almost always. Any new gas line, outdoor sink, or plumbing fixture connection in Florida requires a permit pulled by a licensed plumber (CPC) or gas contractor (CGC). Unpermitted outdoor kitchens are flagged at resale and create insurance liability.
🏠 Pool House vs Outdoor Kitchen — Key Differences
Outdoor kitchen (attached or detached)
Plumbing + gas permit
Pool house / cabana (with plumbing)
Building + plumbing + gas
Pool house with bathroom
Building + plumbing + electrical
Outdoor sink only (no gas)
Plumbing permit
Natural gas grill only (no water)
Gas permit only
Propane (portable tank) — no permit?
Depends on jurisdiction
Propane note: Portable propane tanks under 20 lbs (standard BBQ tank) typically don't need a permit. Permanent propane tank installation (250–1,000 gal) requires a permit and often a site plan.
📍 FL County Permit Requirements — Outdoor Kitchen
📍 Miami-Dade County
Gas sub-permit: Required (CGC or CPC-G license)
Plumbing sub-permit: Required for outdoor sink
Structural permit: Required if building new structure (pool house)
Setback from property line: 5 ft min (residential, verify by zoning)
Natural gas line permit: Required for any new buried gas line
Online portal: iBuildMiami
📍 Broward County
Gas permit: Required — CGC or CPC-G
Outdoor kitchen attached to house: Building permit also required
Outdoor kitchen detached: Accessory structure permit
Pool house: Full building permit + sub-permits
Reclaimed water: Broward County Water & Wastewater Services (BCWWS) approval required
📍 Palm Beach County
Gas line permit: Required — all new gas runs
Outdoor sink permit: Required — even for existing lines
Pool house with bath: Building + plumbing + electrical permits
Reclaimed water hookup: Palm Beach County Water Utilities Dept. approval
Permit portal: PBC IMS
📍 Orange County / Orlando area
Gas permit: Required — licensed CGC or CPC-G
Accessory structure (pool house): Building permit if any enclosed SF
Open-air outdoor kitchen: Gas + plumbing sub-permits
Reclaimed water: Orlando Utilities Commission (OUC) or Orange County Utilities approval
📍 Hillsborough County / Tampa area
Gas permit: Required — CGC licensed
Outdoor plumbing: CPC required for any water connection
Pool house as separate structure: Building permit + all sub-permits
City of Tampa vs unincorporated: Two separate AHJs — verify by address
🏗️ Pool House / Cabana Permit Process
1️⃣
Determine Structure Type
Is the pool house enclosed (4 walls + roof) or open (pergola, cabana, screen enclosure)? Enclosed structures require a building permit with architectural plans stamped by a FL-licensed engineer or architect. Open structures may only need plumbing and gas sub-permits.
2️⃣
Zoning & Setback Verification
FL building code §R302 and local zoning establish minimum setbacks from property lines, pool equipment, and septic tanks. Pool houses typically must be 5–10 ft from property lines and 10 ft from the pool edge. Verify with your county's zoning department before design.
3️⃣
Submit Building + Sub-Permits
Pool houses require: building permit (structural), plumbing sub-permit (CPC), electrical sub-permit (licensed electrician), and gas sub-permit (CGC or CPC-G) if gas appliances are included. All sub-permits are tied to the master building permit number.
4️⃣
Rough-In Inspections
Separate rough-in inspections required for plumbing (DWV + supply) and gas (pressure test at 1.5× MAWP per NFPA 54 §8.2). Gas pressure test must hold for 10 minutes with no drop before inspector signs off. Plumbing DWV test: 10 PSI air or water column per FPC §312.
5️⃣
Final Inspections & CO
After all work complete, final inspections by building, plumbing, electrical, and gas inspectors. If pool house is a habitable space, a Certificate of Occupancy (CO) may be required before use. Note on your homeowner's insurance policy — pool houses sometimes increase premium or require endorsement.
♻️ Reclaimed Water for Outdoor Use
Reclaimed water (reuse water) is mandated by many FL water management districts for irrigation of large outdoor areas. Some jurisdictions require reclaimed connections for pool houses with outdoor showers or irrigation. Key requirement: NO cross-connection between reclaimed and potable water systems (FDEP Chapter 62-610).
Reclaimed water color code (pipe)
Purple (Pantone 522)
Minimum separation from potable pipe
10 ft horizontal / 18" vertical
Reclaimed allowed for outdoor shower?
NO — body contact prohibited
Reclaimed allowed for irrigation?
Yes — with approved backflow preventer
Reclaimed allowed for toilet flushing?
Yes — with dual-pipe system
Backflow preventer required
RP or DCVA — required at point of connection
SFWMD reclaimed water offset credits
May reduce potable usage fees
Critical: Cross-connecting reclaimed water to any potable water system is a violation of FDEP regulations and FL Statute §403. Fines up to $10,000/day. All reclaimed systems require approved backflow prevention and a licensed plumber.
📐 FBC §448 — Outdoor Plumbing Provisions
Outdoor water supply pipes (buried)
Min 6" cover, deeper in freeze zones
Hose bibb backflow prevention
Vacuum breaker required (FPC §608.16.3)
Outdoor drain to sanitary sewer
Required — no discharging to ground
Outdoor shower drain
Must connect to sanitary, not pool
Grease trap for outdoor kitchen sink
Commercial use — FOG program required
Outdoor sink vent termination height
6" above flood level (FPC §904)
Materials for outdoor wet areas
Schedule 40 PVC, CPVC, or stainless
Buried gas pipe coating
Yellow PE or coated steel required
🔥 Outdoor Gas Appliance Sizing Calculator
Select all outdoor gas appliances planned. The calculator totals your BTU demand and recommends minimum pipe sizing per NFPA 54 / FPC Chapter 24. Natural gas runs at 7" W.C. (water column) supply pressure — larger BTU loads require larger pipe.
Built-in Gas Grill (standard)
35,000–50,000 BTU/hr · Use 42,000 avg
Built-in Gas Grill (high-output / 6-burner)
65,000–90,000 BTU/hr · Use 75,000 avg
Side Burner / Wok Burner
15,000–25,000 BTU/hr · Use 18,000 avg
Outdoor Pizza Oven (gas)
60,000–80,000 BTU/hr · Use 65,000 avg
Outdoor Fireplace / Fire Pit (gas log)
60,000–100,000 BTU/hr · Use 80,000 avg
Gas Patio Heater (infrared)
40,000–50,000 BTU/hr · Use 45,000 avg
Outdoor Refrigerator (gas absorption)
500–1,500 BTU/hr · Use 1,000 avg
Pool / Spa Heater (gas)
200,000–400,000 BTU/hr · Use 250,000 avg
Outdoor Gas Tankless Water Heater
120,000–199,000 BTU/hr · Use 150,000 avg
Outdoor Kitchen Range (6-burner commercial)
90,000–120,000 BTU/hr · Use 100,000 avg
📐 FL Gas Pipe Size Quick Reference (Natural Gas)
½" CSST or Black Iron
Capacity at 50 ft run:
Max BTU/hr (50 ft)72,000 BTU
Suitable forStandard grill only
Max BTU/hr (100 ft)50,000 BTU
¾" CSST or Black Iron
Capacity at 50 ft run:
Max BTU/hr (50 ft)152,000 BTU
Suitable forGrill + side burner + fireplace
Max BTU/hr (100 ft)107,000 BTU
1" CSST or Black Iron
Capacity at 50 ft run:
Max BTU/hr (50 ft)320,000 BTU
Suitable forFull outdoor kitchen + pool heater
Max BTU/hr (100 ft)225,000 BTU
1¼" CSST or Black Iron
Capacity at 50 ft run:
Max BTU/hr (50 ft)545,000 BTU
Suitable forFull kitchen + large pool heater + tankless WH
Max BTU/hr (100 ft)380,000 BTU
CSST vs black iron: Corrugated stainless steel tubing (CSST, yellow-jacketed) is the most common material for FL outdoor gas runs — flexible, corrosion-resistant, and easier to run through walls and underground. Black iron is used at appliance connections and at the meter. All CSST must be bonded per NFPA 54 and local amendments.
⚡ Gas Code Requirements (FL / NFPA 54)
Pressure test (new gas line)
1.5× MAWP, 10 min hold
Buried gas pipe minimum cover
12" min (18" under driveways)
Burial coating/protection
Yellow PE or epoxy-coated steel
CSST bonding requirement
Required — NFPA 54 §7.13.2
Gas shutoff at each appliance
Required — accessible location
Outdoor grill clearance from structure
3 ft from combustibles
Flexible appliance connector max length
6 ft (ANSI Z21.24)
Gas meter separation from ignition source
3 ft min
Pool heater gas connection
Dedicated line recommended
Licensed contractor required
CGC or CPC-G (FL §489.517)
🚿 Outdoor Fixture Rough-In Specs
All outdoor plumbing fixtures must drain to the sanitary sewer — not to the ground, pool, or storm drain. FL law prohibits discharging sanitary wastewater to surface water or stormwater systems (FL Statute §403.161).
🪣 Outdoor Kitchen Sink
Cold supply rough-in height
21"–22" AFF
Hot supply rough-in height
21"–22" AFF (hot on left)
Supply spacing (hot to cold c-c)
8" (hot left, cold right)
Drain rough-in height
18"–20" AFF
Trap size
1-1/2" P-trap
Vent requirement
Within 5 ft of trap (FPC §909)
Hose spray connection?
Backflow preventer required (FPC §608.16.3)
Grease trap (commercial events)?
FOG compliance — check county
Stainless steel supply recommended
Yes — UV/corrosion resistance
Insulate hot supply line outdoors?
Yes — reduces wait time, energy loss
🚿 Outdoor Shower (Pool Rinse)
Supply type
Cold only (typical) or cold + tempered
Supply height (showerhead)
72"–78" AFF (standard)
Valve height (if mixing valve)
48" AFF
Pressure balance valve required?
Yes if hot & cold — FPC §424.3
Drain connection
Sanitary sewer — NOT pool or storm
Drain type (outdoor)
2" standpipe or floor drain to 3" sanitary
Reclaimed water allowed for rinsing?
NO — body contact prohibited (FDEP 62-610)
Trap required?
Yes — P-trap with primer or trap seal
FL tip: Many HOAs and pool permits require an outdoor shower before entering the pool. If the pool permit requires it, confirm with your AHJ whether the shower drain must connect to sanitary or whether a French drain is permitted (most FL jurisdictions require sanitary connection).
🚽 Pool House Bathroom
Toilet rough-in (floor to drain CL)
12" from finished wall
Toilet supply rough-in height
7" AFF, 6" left of drain CL
Lavatory drain rough-in height
18"–20" AFF
Hot on left rule
Required — FPC §607.2
Shower valve (if included)
Pressure balance required (FPC §424.3)
Water heater for pool house
Outdoor tankless (gas or electric) common
Vent stack through roof
6" min above roof per FPC §904.1
Cleanout access
At base of stack and at property line per FPC §708
🍦 Ice Maker / Outdoor Refrigerator Water Line
Supply size
1/4" or 3/8" O.D. copper or poly
Cold supply rough-in height
Accessible box behind unit location
Shutoff valve required
Yes — accessible per FPC §605.5
Drain line (ice maker)
1/2" to 3/4" — to sanitary standpipe
Backflow preventer on supply
Required if connected to commercial ice maker
Insulation required (buried outdoor)
In North FL freeze zone — yes
🔒 Outdoor Plumbing Freeze Protection (North FL)
South FL (Miami-Dade, Broward, PBC): Freeze rarely an issue — standard outdoor supply piping is acceptable. Insulate outdoor hot water lines to reduce heat loss.
Central FL (Orlando, Tampa, Sarasota): Occasional freeze events (1–3× per year). Insulate exposed supply lines and install freeze-proof hose bibbs. Irrigation systems need freeze sensors per WMD rules.
North FL / Panhandle (Jacksonville, Tallahassee, Pensacola): Annual freeze events likely. All outdoor supply lines must be insulated or placed inside conduit. Outdoor kitchens should include main shutoff valve with drain capability. Pool heaters recommended.
Freeze-proof hose bibb cost
$45–$95 installed
Pipe insulation (foam, per LF)
$2–$5/LF
Shutoff + drain valve (outdoor)
$85–$175 installed
💰 Outdoor Plumbing Cost Estimates
Outdoor kitchen sink rough-in + connect
$850–$1,600
Outdoor shower (cold only)
$650–$1,200
Outdoor shower (hot + cold)
$950–$1,800
Pool house half bath (toilet + sink)
$3,500–$6,500
Pool house full bath
$6,000–$11,000
Gas line to outdoor kitchen (per LF)
$35–$65/LF
Gas line full install (40-ft run, ¾")
$1,800–$3,500
Pool heater gas line (dedicated 1")
$2,200–$4,500
Reclaimed water connection (outdoor)
$800–$2,000
📞 Get an Outdoor Kitchen / Pool House Plumbing Quote
Free on-site estimate. Our licensed CPC and CGC team handles the full scope — gas line, water supply, sanitary drain, reclaimed water, and all permit applications.