The Three Signs of a Rodent Problem, and What Each One Tells You

Most people never see the mouse. They hear it, or they find what it left behind, and then they spend a week telling themselves it was probably just the one. In our experience it's rarely just the one. There are three signs that tell you a rodent has moved into the house, and each one tells you something slightly different about how long it's been there and how bad it's gotten.

The scratching you hear at night

Rats and mice are most active after dark, which is exactly when a quiet house makes their noise carry. If you're hearing scratching or scurrying in the wall behind the headboard, in the attic above the bedroom, or under the floor near the kitchen, that's a rodent moving along a route it already knows well. A single mouse can make a surprising amount of noise for its size, so the sound alone doesn't tell you how many are in there. What it does tell you is that they're comfortable enough to be moving around at a normal pace, not just passing through once.

Droppings tell you where, and how many

Droppings are the clearest sign, because they mark exactly where a rodent has been spending time. Look under the sink, along the back of pantry shelves, behind appliances, and in the corners of the garage or crawlspace. A few scattered droppings usually means a mouse passing through. A cluster in the same spot, especially near food storage, means it's found a place it likes and keeps coming back to. Mouse and rat droppings can carry harmful bacteria and diseases, so this isn't a clean-it-up-yourself situation. Don't sweep or vacuum them without covering your nose and mouth, and don't let kids or pets near the area until it's been dealt with properly.

Dirt marks and tail prints along the wall

This is the sign most homeowners miss, because it's subtle. Rats and mice travel the same paths over and over, usually along a wall rather than out in the open, and their fur leaves a faint dark smudge on the baseboard or framing at the same height every time. In dusty spots like a crawlspace or attic, you'll sometimes see a thin tail print dragged through the dust alongside the footprints. If you find a greasy mark low on a wall that wasn't there a month ago, that's a travel route, not a one-off accident.

What's actually behind the wall

In and around Bellevue, Kenmore, Bothell, and Kirkland, the rodents we deal with most often are:

• Roof rats
• Norway rats
• Brown rats
• House mice
• Field mice
• Deer mice

If you're seeing any of this

One sign is worth a phone call. Two or more, and it's worth calling today. Alex has been doing rodent removal in Kenmore and the surrounding area for over 30 years, and a free phone estimate is the easiest way to find out what you're actually dealing with before it gets worse. Call AB Pest Control at (425) 205-1603.