Most people enter the garage just to park or fetch a tool, which lets trouble grow for weeks unseen. A garage also acts as a side door to the rest of the house, because rodents can climb wall voids from there to the attic. This checklist helps you inspect the room and reduce what draws animals in.
Why garages work for rodents.
A typical garage offers several things at once. It is shaded and quiet. It holds cardboard, cloth and paper that make nesting material. It may contain pet food, bird seed or fertilizer. And the door has a bottom seal that wears out, plus corners where the door meets the wall.
In warm, damp weather, a garage can also be a refuge. A heavy rain can send animals toward it from wet ground, and an air-conditioned garage stays appealing in summer.
A walk-through you can do yourself.
- Look at the door bottom seal and the side seals for cracks and gaps.
- Look for gaps along the seam between wall and slab.
- Examine pipe and wire sleeves, especially behind the water heater.
- Move boxes away from the wall and look for droppings or nests.
- Check the attic hatch or ceiling access above the garage.
Bring a flashlight and put on gloves. Do not sweep any droppings you find. The safety checklist below explains the damp-cleaning method.
Changing what you store and how.
| Item. | Problem. | Better option. |
|---|---|---|
| Cardboard boxes on the floor. | Nesting material and easy gnawing. | Lidded plastic bins on shelves. |
| Open bags of seed or kibble. | A steady meal. | Metal or thick plastic containers with lids. |
| Fabric cushions and holiday items. | Soft bedding. | Sealed bins, stored high. |
| Items stacked against walls. | Hidden runways. | Leave a gap to see along the wall. |
| Spare freezer or fridge. | Warm, hidden space. | Check behind it and seal gaps at the wall. |
Wiring and the quiet damage.
Rodents gnaw wires, and a garage has plenty of cable. A chewed cord is a fire and shock hazard. If you see bare conductors or gnaw marks on wiring, do not use the appliance and call an electrician.
Whether we can come today depends on the schedule, so call and ask.
Tap to call (888) 686-4821Closing the room off.
Replacing the door seal helps, though corners and the threshold matter too. Gaps at the wall and slab or around pipes need metal flashing or steel mesh with sealant. The exclusion page lists materials, and the garage page walks through a visit.
When animals are already inside, trapping has to come before sealing, because closing a gap with an animal behind it can leave that animal in the wall.
A weekend plan for the garage.
You do not have to rebuild the room. A single weekend is usually enough to remove most of what draws rodents in. Start by clearing the floor along the walls so you can see the base of each wall. Move anything stacked directly on the floor onto shelves, and switch from cardboard to lidded plastic as you go.
- Hour one: clear the wall edges, wearing gloves, and look for droppings.
- Hour two: sort stored goods, discard soaked or shredded cardboard and move seed and kibble into sealed tubs.
- Hour three: replace the door seal and check the corners, then note any gaps that need metal and sealant.
- Hour four: sweep the cleared floor only after wet-cleaning any droppings, and photograph the room.
If you find a nest or a heavy pellet trail, stop and call before disturbing more. A heavy infestation is better handled with a plan, and the safety steps below apply to any cleanup you do.
Warm weather and the open door.
In a warm place, garage doors are often left open for ventilation or while working. That habit gives rodents a clear path at dusk, especially if food or pet bowls sit near the opening. Close the door at night, and keep bowls and seed bags out of the garage altogether when you can.
When to call.
If you find fresh droppings, a nest, gnawed items or hear noise from the wall, phone any hour. Describe the gap under the garage door and what you keep inside, and the visit gets planned around that.
While you wait for a technician: do this, skip that
The notes come from federal health pages and stay general. Your own physician answers any medical question.
- Brushing dry droppings flings fine particles toward your face, so the broom stays put.
- Give a shed, garage or crawl space that has been shut a half hour of cross-breeze before going in.
- Wear gloves for the entire task and wash up the moment it is over.
- Spray every pellet and stain with disinfectant, then let it stand for around five minutes.
- Drop wipes and debris into a single bag, knot it and toss it, hands covered near any body.
- If fever, body aches or trouble breathing appear within weeks, see a doctor and mention the exposure. We handle pests, and medicine belongs to physicians.
Where the safety steps come from
Prefer the original guidelines? Their titles and links appear below.
- CDC steps for preventing hantavirus exposure: The source of the sealing and tidying suggestions made on this page.
- CDC advice on cleaning rodent droppings and nests: The CDC's walk through gloves, ventilation, wet wiping and disposal for pellets and nest material.