Your Firepit, BBQ or Hot Tub and the House Next Door

A backyard fire that spreads next door is a liability question, not a bad-luck story. Most summer evenings with a firepit, a BBQ, or a hot tub end exactly the way they're supposed to — which is the honest starting point here, before the exception. The exception is what this page is for: negligence, proximity, and what happens once flames cross a property line.

Am I liable if my firepit or BBQ causes a fire that spreads next door?#

Usually, yes — if the fire traces back to how you were using it. An unattended pit, a firepit set too close to a fence or wood siding, a BBQ left running near something flammable, or a known propane leak nobody dealt with: these are the fact patterns that turn a backyard mishap into a negligence claim against you. The legal test is the same one used across occupiers' liability and negligence law generally — did you take the care a reasonable person would have taken.

A fire from a genuine equipment defect you couldn't have known about is a different, harder case, closer to nobody's fault. So is a fire carried by wind or lightning with no negligence behind it — insurers generally treat that more like storm damage, where each side claims on their own policy. Your Tree, Their House covers that same "nobody's fault, until there was notice" logic for a different hazard.

What actually starts these fires?#

The claims insurers actually see cluster around a handful of patterns:

Does my bylaw actually prohibit backyard fires?#

It depends entirely on your municipality, and the range is wide. Ontario's Fire Code (O. Reg. 213/07, s. 2.4.4.4) restricts open-air burning unless it's approved, or is a small, confined fire supervised at all times and used to cook food on a grill, spit, or barbecue — a narrower exemption than many backyard hosts assume, since it's built around cooking, not a recreational bonfire or decorative firepit. Whether a non-cooking firepit is allowed at all comes down to your municipality's own bylaw layered on top of that provincial baseline, and cities don't match each other. Toronto's position is that it does not issue open-air burning permits for backyard bonfires; other municipalities permit a firepit under their own conditions (clearance, supervision, sometimes a specific permit); some treat gas or propane appliances more leniently than wood fires. Confirm your own municipality's bylaw before assuming last year's rules still apply, or that a neighbouring city's rule is yours.

Does home or tenant insurance cover a fire I caused that spreads next door?#

Generally yes. The personal liability section of a standard Canadian home, condo, or tenant policy typically responds to a neighbour's property damage caused by your negligence, and it pays your legal defence too — up to your policy limit, commonly $1 million. That's the same coverage that answers a dog bite, a slip-and-fall, or any other negligence claim against you; a backyard fire isn't a special category to your insurer, just a different fact pattern.

What if the fire department has to respond — can I be billed for that?#

In many municipalities, yes, and this is a separate bill from the neighbour's own repair claim. Cost-recovery bylaws let a fire department invoice the resident or property owner directly for its emergency response, and non-payment is sometimes added straight to the property tax bill. Municipalities typically pass these fee bylaws under the general fees-and-charges power in Ontario's Municipal Act, 2001 (s. 391), sometimes alongside the Fire Protection and Prevention Act, which separately addresses cost recovery for Fire Marshal orders. Whether your home policy reimburses that specific invoice varies by wording — ask your broker rather than assuming either answer.

What if I'm the neighbour whose house was damaged?#

Claim on your own property policy first — that's almost always the fastest route to getting your home repaired, regardless of whose firepit started it. Your insurer can then pursue subrogation against the party at fault, which is the same mechanic covered in Your Tenant Caused the Damage: Subrogation, Deductibles and Lost Rent for a different trigger. You generally don't need to wait for that process to resolve before your own repairs start.

Why are semis, row houses and townhomes a bigger exposure?#

Because proximity is the whole risk. A detached house with a wide side yard gives a backyard fire room to burn itself out or get controlled before it reaches a structure. A semi, a row house, or a townhome complex shares walls or sits close enough that one fire can realistically damage more than one adjoining unit in a single event — which means more than one claim, from more than one direction, against the same liability limit. It's the same multi-claimant dynamic that shows up with a shared boundary tree or a strata water loss, just with fire as the trigger instead.

A balcony BBQ in a condo building raises the same issue from a different angle. Many condo and strata corporations restrict or ban open flame on balconies specifically because of how fast a fire can spread through shared structure, and a unit-originating fire can trigger the same kind of chargeback dynamic covered in Condo and Strata Liability: Who Pays When Water Comes From Your Unit for water damage — the corporation's own deductible, sometimes running into six figures, gets passed to the unit the loss started in. Check your condo or strata's own rules before assuming a balcony firepit or BBQ is allowed at all.

What if I don't have tenant insurance at all?#

Then you're personally exposed, in full, with no policy limit between you and the bill. Tenant insurance is often treated as optional or skipped to save a small monthly cost, but the liability section — not the contents section — is the part doing the real work here. Without it, a neighbour's claim, or your landlord's insurer coming after you following the landlord's own repair, reaches your wages, your savings, and anything else you own. What Assets Can Be Seized in a Lawsuit in Canada? walks through exactly what that can mean in practice.

Does umbrella insurance help here?#

Only past your underlying limit, and most single-house fire claims never get there. A personal umbrella sits above your home or tenant policy and adds $1 million or more once a serious claim — several adjoining units in one event, or a catastrophic injury from the fire — pushes past that first limit. Argued honestly: for a single BBQ mishap that scorches a fence and some siding, the base policy almost always covers it comfortably, and an umbrella adds nothing to that particular claim. Where it earns its cost is the row-house scenario above, where one fire event can generate several simultaneous claims against the same underlying number.