Signs You Have Mice This Fall — And What To Do About It

Every fall, mice begin seeking shelter from dropping temperatures, and homes across the GTA are a prime target. Knowing the early signs can mean the difference between a quick fix and a full infestation.

What to look for

Small dark droppings near baseboards, gnaw marks on food packaging, and scratching sounds in walls at night are the most common early indicators. You may also notice a faint, stale odour along walls where mice travel repeatedly.

Why exclusion matters more than traps alone

Traps address the mice that are already inside, but without sealing entry points — often gaps as small as a dime — new mice will keep finding their way in. A proper mice control visit combines both.

When to call a professional

If you're hearing consistent activity or finding droppings in more than one room, it's time to schedule an inspection rather than waiting to see if it resolves on its own.