Rodents rarely start inside. They begin in a yard, where food and cover are close, and they move toward the house when conditions invite them. If you control what the yard offers, you cut the number of animals that ever reach a wall. The changes below cost little and work in any season.
Firewood and lumber.
A neat stack with air gaps looks tidy and still offers shelter. Against siding, it also gives a covered route to the wall. Rodents nest in the center of stacks and use the gaps as runways.
- Raise stacks off the ground on a rack or pallet.
- Keep them several feet from the house.
- Use older wood first, so stacks do not sit for years.
- Stack loosely enough to see through, and check the base from time to time.
Lumber, pallets and building scraps behave the same way. If you store them, keep them off the ground and away from walls.
Food sources outdoors.
| Source. | Problem. | Fix. |
|---|---|---|
| Bird feeder. | Seed scattered below it. | Fit a catch tray and sweep each day. |
| Compost heap. | Open food scraps. | Use a closed bin, skip meat and dairy. |
| Pet food bowl. | Left out overnight. | Bring it in at dusk. |
| Trash cans. | Loose lids. | Use tight lids, rinse bins. |
| Fallen fruit. | Rotting windfall. | Collect it each day. |
Plantings and edges.
Thick shrubs and ground cover along a foundation shelter rodents at the wall itself. Ivy and vines can climb to the roof. Cut plants back a foot or more from the house, and keep branches off the roof so they cannot bridge the gap.
If your lot is wooded or borders open ground, animals will use the boundary. Properties near large green spaces, such as the parkland and preserve areas in town, have a longer edge. We make no claim about those places, and we simply suggest you check your own boundary.
Burrows and runways.
Rats are the likely culprit when a hole about two inches across opens beside a foundation, shed or patio. Smooth, packed trails in the grass show where they travel. Photograph what you see and phone before filling anything, because a burrow closed with an animal inside may drive it toward the house.
Would you rather speak with a person? The number below rings the same desk at noon or at 3 a.m.
Ring (888) 686-4821A five minute routine.
Once a week, walk the foundation. Look at the base of the wood stack, under the feeder and around bins. Note anything new, such as a hole or a pile of seed hulls. If you find fresh sign, see backyard and outdoor control and rat control for what a visit includes.
Timing the yard changes.
The best moment to change a yard is before the first hard freeze, when animals begin to look for shelter. Move the wood, trim the plantings and secure the bins in early autumn. Check again after the first heavy storm, since wind and melting snow can shift stacks and hide new burrows.
If you already have a problem, the changes still help, but they work best alongside trapping and sealing. Removing food and cover while animals are inside pushes them to search harder, which is why a plan should cover both the yard and the house.
What to do if animals are already in the stack.
If you see droppings, nests or movement in a woodpile, do not tear it apart. That can scatter animals toward the house. Photograph what you see, keep children and pets away, and call so a plan can be made. Traps along the runways come first, and the stack is moved afterward.
When it is time to move the wood, wear gloves, work in daylight and handle each piece carefully. If you find droppings, use the damp method in the safety list below before you touch anything else.
Before you sweep, spray or bag: pause
Thinking about tidying up first? Go in this sequence, and pause if any step feels uncertain.
- Leave dry pellets and nest bits alone until they are wet, and do not blow, brush or vacuum them.
- Treat thirty minutes of airing as part of the job, not an extra.
- Slip on rubber or plastic gloves before touching anything, and finish with soap and running water on your hands.
- Wet the waste right through, let the product sit for around five minutes, and only then take it up with disposable towels.
- One tightly closed plastic bag can take droppings, towels and a carcass out to the trash.
- Fever, aches or breathing difficulty after contact with waste deserve a physician's attention. We make no claims about anyone's health.
Public guidelines this page relies on
The cleanup and poison statements on this page come from the public pages listed here.
- CDC: hantavirus prevention: The seal-up guidance behind the sealing and housekeeping suggestions in this guide.
- CDC: cleaning up after rodents: Gloves, airing out, wet cleanup and disposal, as the CDC lays them out for droppings and nests.