How Many Mice Is Considered an Infestation?

So you’ve spotted a mouse or two in your home and you want to know how serious the problem is.

How many mice is considered an infestation and what are the signs indicating how many mice have been letting themselves into your home?

The word infestation means:

The presence of an unusually large number of insects or animals in a place, typically so as to cause damage or disease.

So the answer is subjective. Some people call it a mice infestation as soon as they start to see mice in their homes as they don’t want to see a single mouse and anything more is a huge problem for them.

I asked a local pest control company what they considered to be an infestation and said, ‘when it becomes obvious there are a dozen or so mice that are frequently coming into a home‘.

Although they went on to say that you should act if you see one mouse or 10 mice and do something to stop them getting into your home as the problem will only worsen if left.

What Are the Signs of a Mice Infestation?

There are some signs to look out for if you think you have a mice infestation. These include:

Mouse droppings – Mouse droppings are easy to identify and the more mouse droppings you see, the more mice that are coming into your home.

• Read how to clean up mouse droppings safely here.

Gnawed items – Mice love to chew on things. If you see evidence of gnawed furniture, holes in the wall for access, or cereals and foods being eaten you know you have mice.

Urine smell – Mouse urine has a strong ammonia smell to it and they will leave urine as they explore our home to mark their territory.

Nests – If mice are getting really comfortable in your home they will build a nesting area from shredded paper and other similar materials.