Fire Pit Safety Tips for Homeowners

A fire pit used correctly is a safe and enjoyable addition to any patio. The incidents that result in property damage, injuries, or fire department visits are almost always the result of skipping steps that are straightforward to follow. This guide covers the safety practices that matter most, from where you place the fire pit and what you put under it, to how you manage fuel, supervise the fire, and shut it down at the end of the evening.

Page Contents

Placement and Clearance

Minimum Clearance from Structures

Fire pits should be placed at least 10 feet from any combustible structure. This includes the exterior walls of the house, wooden fencing, garden sheds, pergolas, and overhead tree branches. The 10-foot guideline comes from the National Fire Protection Association (NFPA) and is widely adopted in local fire ordinances across the US as a minimum safe setback.

In practice, 15 feet is a more comfortable working clearance that accounts for wind-driven embers traveling horizontally from the fire. If your patio layout does not allow 10 feet of clearance in all directions, a propane fire pit with a contained burner and no floating embers is the more appropriate choice for the space.

Overhead Obstructions

Low-hanging tree branches directly above a fire pit create an ignition risk, particularly during dry conditions when foliage moisture content is low. Branches within 15 feet directly above the fire pit should be trimmed back before the burning season. Even leafy branches well above this height can be scorched or killed by the heat column from a large wood fire over time.

A pergola or covered patio structure directly over a fire pit is incompatible with wood burning use. Smoke accumulation, radiant heat damage to roofing material, and ember ignition risk all make this combination unsafe. Propane fire pits can be used under a partially open pergola if ventilation is sufficient to prevent carbon monoxide accumulation, but wood burning should always be in fully open, unobstructed air.

Wind Conditions

Avoid lighting a wood burning fire pit during periods of high wind or red flag fire conditions. Wind accelerates combustion, increases ember travel distance, and makes it significantly harder to control where sparks land. A light, consistent breeze is acceptable; gusts above 15 mph make outdoor fire pit use inadvisable.

Surface Safety Under the Fire Pit

The surface under and around the fire pit must be non-combustible. Composite decking, painted or sealed wood, and artificial turf are all incompatible with open wood burning and require a fire-rated protective pad even for propane use. Concrete pavers, natural stone, and pea gravel are all compatible surfaces, with pea gravel being particularly well suited to fire pit use because of its non-combustible, heat-dispersing properties.

For a complete breakdown of which patio surfaces need additional protection and what specific products provide that protection, the best surface to put under a fire pit guide covers every common patio material with product-specific recommendations.

Fuel Handling and Storage

Wood Burning Fuel

Use only dry, seasoned hardwood or kiln-dried firewood in a residential fire pit. Green or wet wood produces significantly more smoke, burns less completely, and generates more creosote residue. Treated lumber, painted wood, plywood, composite wood products, cardboard, and household trash should never be burned in a fire pit, these materials release toxic compounds including heavy metals, volatile organic compounds, and dioxins when burned.

Store firewood at least 30 feet from the house if possible, and at a minimum, away from the house foundation. A firewood stack against the house creates a pest harborage pathway and increases the fire spread risk if embers from the fire pit land on the stack.

Propane Fuel

Inspect the propane hose and regulator connections at the start of each season and before each use. A simple leak test involves applying a soapy water solution to all connections with the gas valve open, bubbles indicate a leak that must be resolved before use. Replace cracked or damaged hoses immediately. Propane tanks should be stored upright, in a ventilated outdoor location, away from ignition sources and out of direct sunlight during summer months.

Never store a propane tank indoors, in a closed vehicle, or inside an unventilated enclosure.

Operating the Fire Pit

Starting a Wood Fire Safely

Start a wood fire with a fire starter or kindling and small-diameter wood before adding larger split logs. Never use gasoline, lighter fluid, or other accelerants to start or revive a fire pit fire. The explosive flare-up from liquid accelerants applied to a live fire causes more fire pit injuries than any other single cause. If the fire is struggling, add small dry kindling rather than accelerant.

Keep a fire poker or long-handled tong tool available to manage logs without reaching into or close to the fire. Moving burning logs with bare hands or short tools creates unnecessary burn risk.

Using a Spark Screen

A spark screen should be in place whenever a wood burning fire pit is in use, except when adding fuel. A tight-mesh steel spark screen, 1/4-inch mesh or finer, captures floating embers before they leave the bowl area. The screen should fit the bowl diameter accurately and should not be easily displaced by wind. Lift and replace the screen deliberately when adding logs; do not leave the bowl uncovered for extended periods.

Supervision

Never leave a wood burning fire pit unattended while the fire is active. Children and pets should not be allowed within 3 feet of an active fire pit. Designate clear seating positions that keep guests at a safe distance from the bowl, particularly when adding fuel or adjusting logs.

Extinguishing the Fire

Wood Burning Fire Pits

The safest method for extinguishing a wood burning fire pit is to allow the fuel to burn down completely until only cool ash remains. This typically takes 2 to 4 hours after the last fuel is added. Do not attempt to hasten this process by pouring large amounts of water directly into the bowl, rapid steam generation from water on a very hot bowl can carry ash and hot particles outward and can warp or crack the steel or block construction.

If the fire needs to be extinguished before it burns down naturally, small amounts of water can be applied progressively while stirring the ash with a poker to ensure all embers are fully wetted. Always confirm the fire is completely out before leaving the area unattended. Embers in a deep ash bed can retain heat for 24 hours or longer.

Propane Fire Pits

Propane fire pits are extinguished by turning the gas valve to the off position. The flame stops immediately. Allow the fire media (lava rocks or fire glass) to cool before replacing the cover. Check that the gas valve is fully closed and that the tank connection is secure before leaving the fire pit unattended.

Ash Disposal

Ash from a wood burning fire pit should never be placed in a plastic bin, cardboard box, or paper bag. Residual embers can survive in an ash bed for 24 hours or more and will ignite any combustible container. Use a metal ash bucket with a lid for ash collection and storage. Allow the ash to sit in the sealed metal bucket for at least 72 hours before transferring to a trash receptacle or spreading on garden beds, where wood ash can be a useful soil amendment in acidic soils.

Seasonal Maintenance Checklist

Completing a brief maintenance check at the start and end of each burning season keeps the fire pit in safe operating condition and extends its working life.

Start of season:

Inspect the bowl for rust, warping, or burn-through damage
Check the spark screen for bent or broken mesh sections, replace if compromised
Clear debris and leaf material from the bowl and the surrounding area
Test propane connections with soapy water (for gas models)
Review and refresh local burn ordinance awareness for the season

End of season:

Allow the fire pit to cool and clean out all ash
Apply a coat of high-temperature paint to any worn or rusting exterior surfaces
Store the fire pit under a fitted cover or in a covered area
For propane models, close the tank valve fully, disconnect the hose, and store the tank in a secure outdoor location
Inspect the seating area around the fire pit for any heat damage that developed during the season

For cover options that protect all common fire pit styles during off-season storage, the best fire pit covers and spark guards guide covers well-fitting, durable options for steel bowls, cast iron models, and fire table designs.

Local Regulations and Permits

Fire pit regulations vary significantly by municipality, county, and state. Common requirements include minimum setback distances from structures and property lines, restrictions on what materials may be burned, seasonal burn bans during high fire-danger periods, and permit requirements for permanent in-ground or block-built installations. Some jurisdictions require a fire permit for any open burning on residential property.

Before building or operating a fire pit, contact your local fire department or municipality to confirm what is permitted on your specific property. Homeowner association (HOA) rules may impose additional restrictions beyond what local ordinances require.

Part of the Patio Fire Pits hub. See also: Best Surface to Put Under a Fire Pit | How to Build a Fire Pit | Best Fire Pit Covers and Spark Guards