Toronto Named Canada's Rattiest City for the 4th Year: How to Prevent Infestations (2026)

For the fourth consecutive year, Toronto has earned the dubious distinction of being crowned Canada’s rattiest city—a title no one wants but seems impossible to shake. But here’s where it gets controversial: Is this a reflection of poor urban management, or simply the inevitable consequence of being a bustling metropolis? Let’s dive in.

According to Orkin Canada’s 2025 report, Toronto once again leads the nation in rodent activity, with several other Ontario and British Columbia cities dominating the top 25. The rankings are based on the number of residential and commercial rodent treatments performed by Orkin from August 1, 2024, to July 31, 2025. And this is the part most people miss: it’s not just about rats—mice are part of the problem too.

So, what’s driving this rodent renaissance? Garrett Brown, a branch manager for Orkin Canada, explains that urban density, ongoing construction, and easy access to food sources are the primary culprits. Think about it: more people mean more waste, and more construction means more hiding spots for these uninvited guests. But is it fair to blame city planners, or are residents equally responsible for their habits?

Toronto isn’t alone in this struggle. Other Ontario cities like Mississauga, Scarborough, and Ottawa also made the list, alongside British Columbia heavyweights such as Vancouver, Victoria, and Burnaby. Here’s the full top 25 for 2025:

  1. Toronto, ON
  2. Victoria, B.C.
  3. Vancouver, B.C.
  4. Burnaby, B.C.
  5. Richmond, B.C.
  6. Mississauga, ON
  7. Kelowna, B.C.
  8. Ottawa, ON
  9. Scarborough, ON
  10. Moncton, N.B.
  11. Sudbury, ON
  12. Surrey, B.C.
  13. Winnipeg, MB
  14. Markham, ON
  15. Vernon, B.C.
  16. Abbotsford, B.C.
  17. Etobicoke, ON
  18. Langley, B.C.
  19. Halifax, N.S.
  20. North York, ON
  21. Delta, B.C.
  22. St. John’s, NL
  23. Brampton, ON
  24. Dartmouth, N.S.
  25. Oshawa, ON

Zooming in on Ontario, Toronto also tops the provincial list, followed by familiar names like Mississauga and Ottawa. Here’s the top 10 for Ontario:

  1. Toronto
  2. Mississauga
  3. Ottawa
  4. Scarborough
  5. Sudbury
  6. Markham
  7. Etobicoke
  8. North York
  9. Brampton
  10. Oshawa

But here’s the silver lining: You don’t have to live with rodents. Brown offers practical advice to keep these pests at bay. Start by sealing any entry points—think door seals, plumbing pipes, and electrical conduits. Rodents can squeeze through gaps smaller than you’d imagine. Next, trim vegetation and keep your space clean. Food crumbs, spills, and standing water are like a five-star buffet for rodents. Finally, stay vigilant for signs of infestation, such as droppings, burrows, or rub marks. Catching the problem early can save you from a full-blown invasion.

So, what do you think? Is Toronto’s rat problem a symptom of urban growth, or a sign of deeper issues? Are residents doing enough to keep their spaces rodent-free? Let’s spark a conversation—share your thoughts in the comments below!

Toronto Named Canada's Rattiest City for the 4th Year: How to Prevent Infestations (2026)
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