Florida propane tank laws sit in Chapter 527 of the Florida Statutes and Rule 5J-20 of the Florida Administrative Code, both enforced by the Florida Department of Agriculture and Consumer Services (FDACS). The state adopts the National Fire Protection Association’s NFPA 58 (2020 edition) as its technical standard for storage, transport, and handling.1Cornell Law Institute. Florida Admin Code Ann R 5J-20.002 – Standards of National Fire Protection Association Adopted Follow the setback, storage, and refill rules below, use a licensed installer for anything beyond a grill hookup, and you stay on the right side of a code that carries fines up to $3,000 per offense and felony charges for unlicensed work.
How Far Your Tank Has to Sit From Buildings
NFPA 58 sets minimum distances between a propane tank and any nearby building, property line, or ignition source, and those distances scale with the tank’s water capacity.
- Under 125 gallons: at least 10 feet from any important building or group of buildings.
- 125 to 500 gallons: at least 10 feet from important buildings and from property lines that can be built on. Tanks in the 251-to-500-gallon range also need 3 feet between containers.
- 501 to 2,000 gallons: at least 25 feet from important buildings and buildable property lines, with 3 feet between containers.
Underground tanks follow the same distance table for their size category.2Occupational Safety and Health Administration. 1910.110 – Storage and Handling of Liquefied Petroleum Gases Separately, the filling connection and fixed liquid-level gauge on any tank filled on site must be at least 10 feet from external ignition sources and from the air intakes of direct-vent appliances or mechanical ventilation.
Storing Cylinders at Home
Propane containers belong outdoors. Federal safety standards require containers and first-stage regulating equipment to be located outside of buildings, with narrow exceptions for industrial operations and vehicles garaged under specific conditions.2Occupational Safety and Health Administration. 1910.110 – Storage and Handling of Liquefied Petroleum Gases That rules out the house, the basement, the garage, and any enclosed shed. An “empty” tank still holds residual gas and vapor and counts the same as a full one.
Outside, set cylinders upright on a firm, level surface. Keep at least 10 feet between stored cylinders and heat sources like grills or fire pits. Close the valve every time, even on a spent tank, and use the valve outlet plug if the cylinder came with one.
Hauling Cylinders in Your Car or Truck
Under NFPA 58 as adopted by Florida, an enclosed vehicle (a car, an SUV, a pickup with a camper shell) may carry no more than two cylinders and no more than 90 pounds of propane total.1Cornell Law Institute. Florida Admin Code Ann R 5J-20.002 – Standards of National Fire Protection Association Adopted A full 20-pound grill cylinder holds about 17 pounds of propane, so five of those would put you near the limit. An open pickup bed allows up to 420 pounds because it ventilates.
In any vehicle, keep cylinders upright and secured against rolling or tipping. Close the valve fully and install the outlet plug if the cylinder has one. Do not leave a cylinder sitting in a hot, closed vehicle any longer than you have to. Propane expands with heat, and pressure inside an overfilled or overheated cylinder can force the relief valve open.
When You Need a Licensed Installer
Florida requires anyone who installs, services, or modifies propane equipment to hold a license from FDACS. Operating an LP gas business without one is a third-degree felony.3Florida Senate. Florida Statutes Chapter 527 – Liquefied Petroleum Gas FDACS issues six license categories, covering dealers, dispensers, cylinder exchange operators, appliance dealers, installers, and miscellaneous operators like manufacturers and cylinder requalifiers. Small portable cylinders with a water capacity of 10 pounds or less are exempt from the licensing requirements altogether.
As a homeowner, the line is straightforward. Connecting a standard 20-pound cylinder to your grill is something you can do yourself. Any work involving permanent gas piping, a stationary tank, or an appliance hookup should go to a licensed Category V installer or Category I dealer. Your installer should confirm setback distances, pressure-test connections, and document that the system meets the Florida Fire Prevention Code and NFPA 58.
Refill Rules: OPD Valves and Requalification Dates
Since April 1, 2002, it has been illegal to fill any propane cylinder between 4 and 40 pounds of capacity unless it has an Overfill Prevention Device (OPD). The rule reaches every cylinder manufactured after September 30, 1998, every cylinder requalified after that date, and every cylinder filled on or after the 2002 deadline, regardless of manufacture date.4Pipeline and Hazardous Materials Safety Administration. Overfilling Prevention Device (OPD) Advisory An OPD is a float valve that shuts the flow off at the safe fill level. You can spot one by the triangular handwheel on the valve; older round or star-shaped handwheels do not qualify.
Cylinders also expire. Federal rules require periodic requalification of standard DOT 4BA and 4BW propane cylinders, with the first requalification due 12 years after the manufacture date when tested by volumetric expansion. After that, requalification is due every 12 years by the same method, every 10 years by proof pressure, or every 5 years by external visual inspection.5eCFR. 49 CFR 180.209 – Requirements for Requalification of Specification Cylinders The manufacture date and any requalification dates are stamped on the collar or body of the cylinder.6Pipeline and Hazardous Materials Safety Administration. Requalification Guidance for Propane Cylinders Past the deadline, no legitimate dealer will fill it. A dealer will also refuse a cylinder with visible dents, heavy corrosion, or a leaking valve. If yours gets turned away, take it to a licensed requalifier or retire it through the disposal channels below.
Leased Tanks vs. Owned Tanks
Larger residential tanks (roughly 120 gallons and up) are often leased from a propane dealer rather than bought. The difference matters for three reasons: who can fill the tank, who pays for maintenance, and what you can do if you want to switch suppliers.
With a leased tank, the propane company keeps ownership. In Florida, as in most states, a competing company cannot legally fill a tank it does not own. The lessor also handles inspections, valve maintenance, and code compliance, and it pays for any repair or replacement the tank needs.
With an owned tank, you can buy from any licensed dealer and shop for price. You also carry the maintenance load, including periodic professional safety inspections and leak tests, which generally run $100 to $300 and are worth budgeting for every few years. Weigh the annual lease fee against the purchase price and those upkeep costs before you decide.
Odorant Fade and What to Do If You Smell Gas
Propane is odorless on its own. Suppliers add ethyl mercaptan to give it the rotten-egg smell people associate with a leak. That smell is not fully reliable. Odorant fade happens when propane passes through soil, concrete, drywall, or new steel piping, all of which can absorb or oxidize the odorant before it reaches you.7CDC: NIOSH. Odor Fade in Natural Gas and Propane NIOSH warns against relying on smell alone and recommends a UL-listed propane gas detector, installed near floor level because propane vapor is heavier than air.
If you smell gas or a detector alarms, get everyone out of the building right away. Do not flip light switches, use phones inside, or start a vehicle near the house; any spark can ignite propane vapor. From a safe distance, call your propane supplier and 911. Do not go back in until a qualified technician has inspected the system.
Penalties for Violations
FDACS can impose administrative fines up to $3,000 per offense against businesses and licensed professionals, suspend or revoke a license, or both, and can add the cost of enforcement proceedings on top.3Florida Senate. Florida Statutes Chapter 527 – Liquefied Petroleum Gas For more serious rule violations, civil penalties can reach $25,000 per violation per day, capped at $500,000 for a related series of violations.
On the criminal side, intentionally running an LP gas business without the required license is a third-degree felony, punishable by up to five years in prison. Other violations of Chapter 527 or its rules that do not involve unlicensed operation are a second-degree misdemeanor. For a homeowner, the bigger exposure is civil: ignoring placement rules or storing tanks indoors can create serious liability if a fire or explosion injures someone.
Getting Rid of an Old Tank
Propane tanks do not belong in household trash or curbside recycling. Even a cylinder you think is empty holds residual gas under pressure, and waste haulers treat it as hazardous. Route disposal by size:
- Small camping-style cylinders (1 pound or less): take them to a Household Hazardous Waste collection center or a scheduled Household Chemical Collection event in your county.
- Standard grill cylinders (up to about 20 pounds): many propane retailers and exchange kiosks will take an old tank when you buy a replacement, and some accept them without a purchase.
- Larger residential tanks (100 gallons and up): call your propane supplier. If you own the tank, expect a pickup fee. If it is leased, the supplier is generally responsible for retrieval.
Never cut open, puncture, or weld a propane tank yourself. Residual vapor inside can ignite explosively long after the liquid is gone.