HY-C Blog

How to Mitigate Mice in Your Oven

Written by Kyla Pehr | Feb 19, 2026 4:30:00 PM

Mice in ovens are more common than you’d think.

I didn’t want to believe it either, but when my coworker told a story about finding a mouse inside her oven while prepping Super Bowl snacks, my heart practically stopped.

It turns out it’s not that unusual. Mice are drawn to kitchens for warmth, shelter, and easy access to food — which makes appliances like ovens and refrigerators appealing nesting spots. Crumbs, grease, and cozy insulation only add to the invitation.

Unfortunately, mice can chew through wiring, damage your appliance, contaminate food, and even spread bacteria that pose real health risks.

Even if you’re not dealing with it right now, the idea alone is enough to make you double-check before preheating. How do they get in there? And more importantly, how do you make sure they don’t come back?

Here’s what you need to know to keep it from happening in your kitchen.

How can you tell if there are mice in your oven?

If we’ve just unlocked a brand-new fear for you, we’re truly sorry. That said, there are a few telltale signs that mice may have taken up residence in your oven:

  • Noises: Scratching, scurrying, or high-pitched squeaking
  • Droppings: Small, dark, rice-shaped pellets in the storage drawer, on the broiler pan, or on the floor beneath the oven
  • Odors: A strong musky or ammonia-like smell that becomes more noticeable when the oven heats up
  • Nesting materials: Shredded paper, insulation, or fabric tucked inside the stove or behind it
  • Gnaw marks: Chewed wiring or insulation, which can lead to appliance failure or a fire risk
  • Grease marks: Dark, oily smudges along the sides or back of the appliance that suggest frequent travel paths

If you suspect mice, it’s helpful to carefully pull the oven away from the wall and inspect the storage drawer and surrounding areas. These hidden spaces are common nesting sites and often the first place you’ll spot evidence of activity.

Why are there mice in your oven?

If you’ve made it this far, you have likely already confirmed the worst: There are mice in your oven. Not exactly what you want to discover before dinner. But why your oven of all places?

Simple. It checks every box on a mouse’s wish list.

  • Warmth: Insulated areas near pilot lights, heating elements, or wiring provide steady heat, particularly in colder months
  • Food: Crumbs, grease splatters, and forgotten spills inside the oven cavity or lower drawer make for easy meals
  • Shelter: Hidden spaces beneath the cooktop or behind the appliance create dark, undisturbed nesting areas

Once mice find a spot that meets their needs, they’re unlikely to leave on their own — especially if there’s no disruption to send them looking elsewhere.

How did they get there?

Mice can squeeze in through surprisingly small openings, including:

  • Gaps around pipes and wiring: The hole where a gas line or electrical cable enters the wall behind the stove is one of the most common entry points
  • Wall cracks: Mice can fit through holes as small as a pencil’s diameter (roughly 1/4 inch or 6 millimeters in diameter), often near baseboards or behind cabinets
  • Ventilation openings: Exterior vents or air bricks near the kitchen can offer easy access

A mouse doesn't just appear out of nowhere. A mouse isn’t always just one mouse, either.

Spotting a single mouse often indicates others nearby. While one sighting doesn’t always mean a full-blown infestation, it’s still a warning sign that action could be needed to prevent population growth.

How do you get rid of mice in the oven?

Setting mouse traps is a good way to get rid of mice fast, and products from companies like Wildlife Control Supplies or Animal Traps and Supplies are widely available. But traps aren’t a long-term fix. The most effective solution is exclusion, preventing mice from accessing your oven and kitchen in the first place.

Start by removing any nesting material and thoroughly cleaning crumbs, grease, and food residue. Next:

  • Seal entry points: Use wire mesh, steel wool, or caulk to seal gaps around gas lines, outlets, and wall penetrations
  • Check behind the stove: Openings hidden by the appliance are common access points
  • Eliminate food sources: Store food in airtight containers and clean up messes immediately
  • Use deterrents as support: Peppermint oil, cinnamon, or red pepper flakes might discourage activity, but only after entry points are sealed (and even then, success is not guaranteed)

Products like our HY-GUARD EXCLUSION® Pest Armor® L-Mesh™ are designed to seal small gaps and block insects and wildlife from squeezing through. Made from durable galvannealed steel mesh, it creates a durable, chew-resistant barrier that helps prevent rodents from accessing structural gaps.

If you notice extensive nesting, chewed wiring, or recurring activity, it’s strongly recommended to contact a pest and wildlife specialist. And if you suspect wiring damage, stop using the oven and call a professional as soon as possible to avoid fire or shock risks.

How do you clean your oven afterward?

This step is critical for both safety and reassurance.

The Centers for Disease Control and Prevention (CDC) recommends wearing gloves and a mask during cleanup. If you’re concerned about potential exposure to rodent droppings, contact your local health department for guidance.

Initial cleaning

  • Spray areas that had droppings and nesting materials with a disinfectant or a bleach solution (one part bleach to nine parts water) and let it soak before wiping up with paper towels
  • Pull the oven away from the wall and clean behind it and inside the bottom drawer
  • Disinfect all interior and exterior surfaces
  • Remove any contaminated insulation so the underlying metal can be properly sanitized

Deep cleaning

  • Remove oven racks and side supports and wash separately with hot, soapy water
  • Apply a fume-free oven cleaner and let it sit for several hours or overnight
  • If your appliance has a self-clean cycle, run it to help destroy lingering bacteria and ensure proper ventilation
  • Inspect wiring, insulation, and fans for damage as persistent odors might signal insulation that needs replacement

Keep it from happening again

  • Rinse all surfaces thoroughly
  • Neutralize odors with baking soda and vinegar or heat a pot of lemon water in the oven
  • Seal any remaining gaps behind or beneath the stove with durable barriers like HY-GUARD EXCLUSION Pest Armor L-Mesh

Continue monitoring your kitchen and follow up with a pest and wildlife professional if needed. And if you already have one on speed dial? Sounds like peace of mind.