Usually not by default. A standard Ontario home policy covers sudden internal water escape — a burst pipe or a failed water heater. Damage from sewer backup or overland flooding is excluded unless you have added those specific endorsements.
Water is the most common home insurance claim in Ontario, and also the most misunderstood. Three different causes of basement water are treated as three different coverages, and having one does not give you the others.
| Cause | Covered by default? | What you need |
|---|---|---|
| Burst pipe, failed appliance | Yes | Included in standard policy |
| Sewer or drain backup | No | Sewer backup endorsement |
| Overland flood, heavy rain | No | Overland water endorsement |
| Groundwater seepage | No | Rarely insurable — maintenance issue |
Sewer backup coverage may be available as an optional endorsement or part of a water package. Ask for the exact definition, limit, deductible and exclusions in your policy. Availability and cost must be quoted for your property.
This article is general information, not insurance advice. Insurance Genie is not an insurer, brokerage or agency. Coverage is defined by the policy wording issued by the insurer and confirmed by the licensed organization that places it.
Home insurance · comparison examples
Explore three home insurance illustrations, then compare your own coverage. These assumed amounts show the maths, not available rates or recent customer quotes.
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Ask about unit improvements, personal property, loss assessment and deductibles. Illustrative amounts, not a quote.
Check rebuilding limits, water coverage, exclusions and deductibles before comparing home proposals. Illustrative amounts, not a quote.
A lower price can include different water limits or exclusions. Compare the same coverage questions. Illustrative amounts, not a quote.
Illustrations use assumed premiums and are not insurer offers, customer results or guaranteed savings. Compare the same limits, deductibles and coverage before choosing. .
It is not about the building — that is the landlord’s policy. Yours covers your contents, your liability, and your hotel bill.
Further reading: IBC: flood and water coverage
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