If you’ve spotted droppings, chewed boxes, or small nests in your garage, you’re not alone—mice love garages. These spaces provide shelter, warmth, and easy access to food or storage materials, making them the perfect hiding spot.
The good news? You can take practical steps to keep mice out of your garage for good. Whether you’re dealing with a current infestation or want to prevent one, here’s everything you need to know to protect your home.
Why Mice Love Garages
Garages offer everything mice need to survive—and they’re often easier to access than the rest of your home.
Here’s why garages attract mice:
- Warmth and shelter: Garages stay warmer than the outdoors, especially in winter.
- Clutter: Stored boxes, tools, and paper make ideal nesting spots.
- Food sources: Pet food, birdseed, and trash cans are easy meals.
- Easy entry points: Gaps under garage doors and around walls make perfect access points.
Once mice move in, they can quickly spread to your attic, walls, or even living spaces. That’s why prevention is key.
Step 1: Inspect and Seal Entry Points
The first step to keeping mice out is blocking every possible way in. Mice can squeeze through holes as small as a dime—so even tiny gaps matter.
Check these common entry points:
- Gaps under or around garage doors
- Openings where pipes, cables, or vents enter
- Cracks in the foundation or wall joints
- Gaps around windows or side doors
Seal openings with:
- Steel wool or copper mesh (mice can’t chew through metal)
- Caulk or expanding foam for small cracks
- Weatherstripping for gaps under doors
- Metal flashing or hardware cloth for larger openings
By sealing these areas, you’ll stop new mice before they get in.
Step 2: Eliminate Food and Clutter
Garages often double as storage spaces, but that clutter can make it easy for mice to hide and nest.
Here’s how to make your garage less inviting:
- Store birdseed, pet food, and grass seed in sealed plastic or metal containers.
- Avoid leaving trash or recycling bins uncovered.
- Clear out cardboard boxes—mice love to chew and nest in them.
- Sweep and vacuum regularly to remove crumbs and debris.
Keeping the space tidy and scent-free removes food sources and nesting materials mice depend on.
Step 3: Set Traps to Catch Existing Mice
If you’ve already seen signs of mice, setting traps can help eliminate the ones inside before sealing them out, but if activity continues or you’re finding droppings in multiple rooms, it’s smart to get residential pest control for your household involved to locate hidden access points and pressure zones.
Effective trap types include:
- Snap traps: The classic, quick, and humane choice when used properly.
- Electric traps: Offer instant kills and easy cleanup.
Pro tip: Place traps along walls, near corners, and behind stored items—mice rarely cross open spaces. Bait with peanut butter, chocolate, or seeds for best results.
Step 4: Repel Mice Naturally
You can use natural repellents to make your garage less appealing without harsh chemicals.
Try these methods:
- Peppermint oil: Soak cotton balls and place them near doors, walls, or shelves.
- Vinegar spray: Mix equal parts vinegar and water and spray along entry points.
- Ultrasonic repellents: These plug-in devices emit sounds that deter rodents (results may vary).
Refreshing scents weekly keeps them effective over time.
Step 5: Maintain Your Garage Year-Round
Once you’ve cleared out the mice, ongoing maintenance keeps them from returning.
- Inspect for new gaps or chew marks monthly.
- Keep doors closed when not in use.
- Trim bushes, trees, or shrubs touching your garage walls.
- Store seasonal items in sealed bins instead of cardboard boxes.
- Schedule professional pest inspections annually.
These small steps make your garage far less attractive to unwanted rodents.
When to Call a Professional
If you’ve tried traps and repellents but still see droppings or hear scratching, it’s time to call in the experts.
Professional pest control can:
- Identify and seal hidden entry points.
- Safely remove existing rodents.
- Apply targeted treatments to prevent reinfestation.
- Offer ongoing protection with maintenance plans.
Mice reproduce fast, so early intervention can save you from bigger problems later.
Frequently Asked Questions About Mice in Garages
Why do mice keep getting into my garage?
Even the smallest cracks or gaps can let mice in. Garages also offer food, warmth, and shelter during colder months.
Do dryer sheets or mothballs keep mice away?
Dryer sheets may help temporarily, but they’re not reliable for long-term prevention. Mothballs are toxic and not recommended for enclosed spaces.
What’s the best bait for mouse traps?
Peanut butter, chocolate, or seeds work best because of their strong scent and stickiness.
Can mice climb walls to get into the garage?
Yes. Mice are excellent climbers and can scale rough surfaces, wires, or pipes to reach entry points.
How do I know if all the mice are gone?
No new droppings, odors, or scratching noises usually mean the infestation is gone. Monitoring traps can confirm it.
Keep Your Garage Mouse-Free with Professional Help
Don’t let your garage become a home for mice. Elite Pest & Termite Control provides comprehensive rodent prevention and removal services designed to keep your property clean, secure, and pest-free.
Our experts will inspect, seal, and protect your garage with safe, effective solutions that work year-round.
Ready to keep stink bugs out? Book an inspection with Elite Pest & Termite Control.