Raccoons are the most common cause of chicken coop breaches in the United States. They’re not the strongest predator, but they’re the most mechanically capable and the most persistent. Their hand-like paws can manipulate latches, pull wire apart at seams, and reach through gaps to grab birds without ever fully entering the coop. Once a raccoon identifies your coop as a food source, it will return every night until it gets in or you make that impossible.
Raccoon-proofing a coop means addressing five weak points: the wire, the latches, the floor, the ventilation openings, and the run. Each one requires specific materials and methods.
Replace Chicken Wire With Hardware Cloth
Chicken wire is designed to keep chickens in, not to keep predators out. Raccoons can tear through it with minimal effort. So can dogs, foxes, and coyotes. The material you need is hardware cloth, a welded metal mesh made from galvanized steel. It comes in rolls with openings ranging from 1/4 inch to 1/2 inch.
For maximum protection, use 1/4-inch mesh. This keeps out raccoon paws, snakes, weasels, and even mice. Half-inch mesh is generally considered small enough to block raccoon paws from reaching through, but 1/4-inch eliminates any ambiguity. A raccoon can’t crawl through a one-inch gap, but it can absolutely reach an arm through one and grab a sleeping chicken.
When shopping for hardware cloth, two specs matter most. First, look for galvanized-after-welding (GAW) rather than galvanized-before-welding (GBW). GAW resists rust significantly better because the protective zinc coating covers the weld joints. Second, pay attention to wire gauge. Lower numbers mean thicker wire. Aim for 19-gauge or thicker for predator-proof durability.
Latches That Require Two Steps to Open
Here’s the simplest test for your coop latches: if a five-year-old child can open it in under three seconds using one hand, a raccoon can open it too. Raccoons have been documented unlatching hook-and-eye closures, simple carabiner clips, dog-leash-style snap hooks, and single-action barrel bolts on their own. Any latch that opens with a single motion is vulnerable, no matter how stiff it feels to you.
A raccoon-proof latch requires at least two independent physical actions to open. Some effective options:
- Spring-loaded clips with a secondary pin. Use two per door, one mounted high and one low, so a raccoon can’t work both simultaneously.
- Barrel bolts with a wire lock. Thread a U-shaped piece of heavy gauge wire (10 to 14 gauge) through the bottom hole of the bolt so it can’t slide open. To use the latch yourself, rotate the wire 90 degrees and pull it out. This is intuitive for a human but not obvious to an animal.
- Padlocks. A simple outdoor padlock, locked, with the key hung on a nearby hook works well. The raccoon can’t operate a key.
- Combination locks. Same principle. Overkill for convenience, but completely raccoon-proof.
Whatever you choose, install latches on every access point. Raccoons are patient and methodical. They will check every door, hatch, and panel on your coop looking for the one you forgot to secure.
Stopping Raccoons From Digging Under
A hardware cloth apron (also called a skirt) is the most practical way to prevent digging predators from tunneling under your coop walls or run. Rather than digging a deep trench, you lay a strip of hardware cloth flat on the ground extending outward from the base of the coop. When a raccoon starts digging at the wall’s edge, it hits the buried wire and can’t get past it.
An apron width of 18 to 24 inches is sufficient for raccoons and most other digging predators. Bury it just a couple of inches below grade so grass grows over it and holds it in place. Use 1/2-inch hardware cloth for the apron since paw size isn’t the concern here. You want something a raccoon can’t rip or push aside. Secure the apron to the base of the coop wall with screws and washers, not staples, so there’s no gap where the horizontal apron meets the vertical wall.
Securing Windows and Ventilation Openings
Chickens need ventilation year-round, and that means openings in your coop walls. Every opening is a potential entry point. Cover all ventilation windows, eaves, and gaps with hardware cloth attached to the outside of the coop.
The critical detail here is how you attach it. Staples, even heavy-duty ones, can be pried out by a determined raccoon over multiple nights. Screws with fender washers are far more secure. The washer spreads the holding force across the wire, and screws can’t be pulled out the way staples can. Space them every few inches along the edges of the hardware cloth so there’s no loose section a raccoon can work its fingers under.
One practical design approach is to build a simple wooden frame, stretch hardware cloth over it, and hinge the frame over your window opening. This lets you access the window from outside for cleaning or adjusting airflow while keeping the predator barrier permanently in place. You can mount plexiglass or shutters on the inside for weather control, with the hardware cloth screen always covering the exterior.
Automatic Doors and Timing
Raccoons are nocturnal, so the single biggest risk window is the hours between dusk and dawn. If you’re not reliably closing the coop door every evening before dark, an automatic door is worth the investment. But not all automatic doors are raccoon-proof.
The feature to look for is a worm drive mechanism. A worm drive uses a threaded steel rod to raise and lower the door, and when the motor stops, the door is mechanically locked in position. It can’t be pushed, pulled, or pried open from the outside. This is fundamentally different from a simple motor-and-pulley system, where a raccoon could potentially lift a lightweight door panel. Some manufacturers use a solid 5/8-inch steel threaded drive rated to resist not just raccoons but also coyotes and bears.
Set the door to close at dusk or on a light sensor, and verify that all your birds are inside before it shuts. An automatic door that locks one chicken outside is worse than no automatic door at all.
Protecting the Run From Above
Raccoons are excellent climbers. An open-top run is an invitation. If your chickens spend time in an outdoor run, it needs overhead protection.
The strongest option is hardware cloth across the top of the run, supported by a frame sturdy enough that it won’t sag under a raccoon’s weight (adults typically weigh 10 to 30 pounds). For larger runs where a full hardware cloth roof isn’t practical, heavy-duty poultry netting made from knotted, UV-stabilized material with a mesh size of about 1.5 inches works as a deterrent. This type of netting is designed to block raccoons and raptors, and it’s significantly tougher than the cheap, thin netting sold for garden use.
For the run walls themselves, apply the same rules as the coop: hardware cloth, not chicken wire, secured with screws and washers. Bury an apron around the perimeter just as you would around the coop itself.
Common Mistakes That Invite Breaches
Most raccoon attacks happen not because the coop was poorly designed, but because one detail was overlooked. A few of the most frequent failures:
- Leaving feed accessible at night. Unsecured feeders outside the coop attract raccoons to your yard in the first place. Store feed in metal containers with tight lids, and bring feeders inside or into the coop at dusk.
- Gaps at joints and corners. Hardware cloth is only as strong as its weakest seam. Overlap panels by at least two inches and secure them together with hog rings or J-clips, not just zip ties.
- Stapling instead of screwing. Staples are faster to install but raccoons can pry them loose over successive nights. Use screws and washers at every attachment point where a predator could apply leverage.
- Single latches on large doors. A large door with one latch in the middle can be pulled away from the frame at the top or bottom. Use two latches minimum, placed at different heights.
Raccoons are problem-solvers. They test, remember, and come back. The goal isn’t to make your coop hard to break into on the first try. It’s to make it impossible on the twentieth.