Insurance

Does Commercial Property Insurance Cover Flooding in Canada?

 | 
September 27, 2025

Does Commercial Property Insurance Cover Flooding in Canada? Short answer: sometimes, but often not fully. Commercial property policies vary a lot, and many standard business policies either exclude overland flood or only cover certain types of water damage with an endorsement. Knowing exactly what your policy says is the most important step.

What Typical Commercial Policies Cover (and what they usually don’t)

The majority of commercial property insurance will cover things such as fire, theft, and certain damage due to storms. Nonetheless, overland flooding, river, lake, storm surge, or excessive rainfall running off land is often not included in a typical policy, and has to be added or purchased as a special flood policy. Sewerback and groundwater infiltration are also not usually included unless you tack on those extensions.

How Flood Coverage for Businesses Usually Works

There are three common patterns you’ll see:

  • Flood is explicitly excluded from the base policy.
  • Flood can be purchased as an endorsement or optional addition to the business policy.
  • Flood is sold independently as a specialty market or government-supported program.

Due to changes in markets and schemes, some insurers currently provide overland flood cover or flood plus sewer backup cover to commercial clients, but this is subject to location and building risk, and may have limits and different prices.

Read more: Whats Tenant Insurance?

Practical Checklist for Business Owners

Step

What to do

1. Read your policy

Check exclusions for “flood,” “overland water,” and “sewer backup.”

2. Ask about endorsements

Request flood, overland water, and sewer backup options from your broker.

3. Match limits to exposure

If you’re in a flood-prone area, standard limits may be insufficient.

4. Combine insurance + mitigation

Flood insurance is best paired with physical mitigation.

Recent Developments To Watch

The Canadian federal government and industry have been developing a national flood insurance program to increase affordable overland flood insurance to high-risk properties. This is to vary availability and prices in the future, and hence businesses ought to keep up with their broker or other reliable sources.

How Summit Cover Can Help

At Summit Insurance Kelowna, we make this practical: we’ll review your commercial property wording, explain what’s excluded, and source endorsements or specialty flood products where available. Start with our commercial property page or our guide on insuring against natural disasters to see options tailored to your location and business type.

Final Thoughts

So, does commercial property insurance cover flooding in Canada? Occasionally, but not consistently, unless explicitly covered by flood coverage or endorsed. The best solution is to review your policy wording, discuss with your broker flood and sewer backup plans, and combine insurance with physical mitigation. Decision time, need a clear overview of what you have and what you can get, go to Summit Insurance, and we will take you through the process!

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