Slip and Fall Claims in Ontario: Understanding Occupiers' Liability

You slipped on an icy parking lot, tripped on a broken sidewalk, or fell down a poorly maintained staircase. You're injured, you've missed work, and you're wondering whether the property owner is legally responsible. In Ontario, the answer depends on a body of law called occupiers' liability — and the rules are both more specific and more nuanced than most people expect.

This article explains how slip and fall occupiers' liability claims work in Ontario, what you need to prove, who you can sue, and what mistakes to avoid in the aftermath of an accident.

What Is Occupiers' Liability?

Ontario's Occupiers' Liability Act (the "OLA") sets out the duty that occupiers of premises owe to the people who enter them. An "occupier" is broadly defined — it includes not just the owner of property, but anyone who has physical possession or control over it. A commercial tenant, a building manager, or a municipality maintaining a sidewalk can all be "occupiers."

Under the OLA, most occupiers owe visitors a duty to take reasonable care in the circumstances to ensure that persons entering the premises are reasonably safe. This is a positive obligation — it is not enough to simply not create new hazards; occupiers must actively address known hazards and inspect for hazards they ought to know about.

Trespassers: A Different Standard

The OLA treats trespassers differently. Occupiers owe trespassers only a duty not to create a danger with deliberate intent to harm them or act with reckless disregard for their safety. Children who wander onto property uninvited may receive more protection under the doctrine of "allurement" — occupiers may face liability if they maintain something on their property (like a pool) that would foreseeably attract children even if they are not invited.

Common Scenarios

Ice and Snow

Winter slip and falls are among the most common occupiers' liability claims in Ontario. Property owners, tenants, and municipalities have duties to address known ice and snow hazards within a reasonable time. "Reasonable time" is fact-specific and depends on weather conditions, the nature of the premises (a busy commercial entrance vs. a backyard path), and what a prudent occupier would have done.

One important note: municipalities in Ontario have their own notice requirements under the Municipal Act (as of writing — verify current rules). For slip and falls on municipal sidewalks or roads, you generally must give the municipality written notice within a very short window (as of writing, 10 days for slip and fall on a highway — verify the current requirement). Missing this notice period can bar your claim entirely. If you fell on a city sidewalk, get legal advice immediately.

Stores and Shopping Centres

Retailers and mall operators are frequent defendants. Common hazards include spilled liquids, wet floors without adequate signage, uneven flooring, and cluttered aisles. Courts examine whether the occupier had a reasonable inspection and maintenance system in place.

Stairways and Entrances

Broken handrails, inadequate lighting, steep risers, or worn treads. The standard asks what a reasonable building owner would have done to maintain and inspect the stairway.

Private Residences

Homeowners owe a duty to their guests (social visitors). A hazard you knew about but failed to fix or warn about can expose you (or your home insurer) to a claim.

What You Must Prove

To succeed in an occupiers' liability claim, you generally must establish:

1. The defendant was an "occupier" of the premises where you were injured
2. You were lawfully on the premises (as an invitee or licensee — different rules for trespassers)
3. A hazard existed that caused your fall
4. The occupier knew or ought to have known of the hazard
5. The occupier failed to take reasonable steps to remedy the hazard or warn you
6. The hazard caused your injury
7. You suffered damages (physical injury, financial losses)

Contributory Negligence

Ontario applies contributory negligence to slip and fall cases. If the court finds you were partly responsible for your fall — for example, you were wearing inappropriate footwear, distracted by your phone, or ignored clearly marked hazards — your damages will be reduced by your percentage of fault. Being partly at fault does not bar your claim entirely.

What to Do Immediately After a Slip and Fall

The steps you take in the hours and days after a fall can make or break your claim:

1. Report it immediately to the store manager, building superintendent, or property owner. Ask for a written incident report and keep a copy.
2. Photograph everything — the hazard, the area, your footwear, your injuries.
3. Get witness names and contact information from anyone who saw the fall.
4. Seek medical attention promptly and keep records of every treatment.
5. Do not post on social media. Insurers monitor social media and will use photos or posts against you.
6. Contact a lawyer quickly, especially if a municipality is involved.

How Damages Are Calculated

Slip and fall claims can involve:

• Medical expenses (current and future)
• Lost income (past and projected)
• Pain and suffering and loss of enjoyment of life (capped in Ontario for non-catastrophic injuries — as of writing; verify the current cap)
• Housekeeping and personal care (if injury affects your ability to manage your home)
• Out-of-pocket expenses

Serious injuries — fractures, head injuries, spinal injuries, long-term disability — can produce significant damages claims. Minor soft-tissue injuries typically produce lower awards.

Frequently asked questions