Report an aggressive dog

Last updated April 19, 2024

Have you seen a dog showing signs of aggression? Do you believe that a dog is dangerous? Here is how to report it.

If you see a dog showing signs of aggression, contact 311.

Communication channels

By phone


Outside of Montréal: 514-872-0311

Monday to Friday: From 8:30 a.m. to 8:30 p.m.
Saturday, Sunday and public holidays: From 9 a.m. to 5 p.m.