Squirrels can slip into houses through all sorts of easy openings—roof vents, chimneys, gaps in siding, and even tree branches that brush against your roof. If you seal up those weak spots and trim back any overhanging trees, you’ll block most of the usual squirrel routes into your home.
You’ll find out how squirrels look for food and shelter, which entry points matter most, and a bunch of simple fixes you can handle yourself—or with a professional if you’d rather not deal with it. This guide points out how to spot squirrel activity, keep new ones from moving in, and get rid of any current squatters safely.
Wondering exactly where to check on your roof and walls? We’ll get into the details, share quick prevention tips you can use right away, and talk through safe removal options if a squirrel’s already inside.
Main Ways Squirrels Enter Homes
Squirrels love small gaps, damaged spots, and any easy route from a nearby tree or the ground. Start by checking vents, chimneys, roof edges, and wall openings—those are the favorite spots where squirrels squeeze or chew their way in.
Roof Vents and Gable Vents
Roof and gable vents sit up high and basically give squirrels a direct route into your attic. Screens or lattice on those vents can split, come loose, or just get chewed right through.
A broken vent means adult squirrels—and sometimes babies—slip into wall cavities and cozy up in nesting spots. If you hear scratching above your ceiling or at night when squirrels scamper across the roof, that’s a sign.
Take a look at your vents for holes, loose screws, or missing screens. Use 1/4-inch hardware cloth or metal vent covers to block the openings—plastic or thin mesh just won’t cut it, as squirrels chew right through. If you spot droppings, shredded nesting material, or gnaw marks, you’ve probably got an active entry. Go ahead and repair the vent as soon as you can.
Chimneys and Uncapped Flues
An open chimney or a flue without a cap is pretty much an open invitation for a mother squirrel looking for a safe place to nest. Squirrels get in if the cap’s missing, the damper won’t shut, or the chimney crown has cracks.
Once inside, they sometimes get stuck, or they’ll build a nest and bring in their babies. Always install a sturdy chimney cap with fine metal mesh and secure it tightly to the flue.
If you hear high-pitched noises, chittering, or scurrying in the chimney, don’t use the fireplace—call in a wildlife pro. A good chimney cap also keeps out debris and water, which can otherwise weaken things and make bigger gaps down the road.
Fascia Boards and Soffits
Fascia and soffits tend to rot or crack where the roof meets the wall, creating gaps squirrels can chew even wider. These wood areas hide seams and fasteners, and squirrels pry them apart to reach attic insulation and warm nesting spots.
Once squirrels get through soffits, they might strip insulation and chew wires, which leads to expensive damage. Check fascia and soffits around roof edges and under eaves for soft wood, peeling paint, or small entry holes.
Replace any rotten boards and use metal flashing or chew-resistant soffit vents. If you see squirrels in your walls or find nesting debris in attic corners, seal gaps with metal flashing or exterior-grade wood, and tighten up those fasteners to keep squirrels out.
Wall and Plumbing Vents
Squirrels squeeze through gaps around dryer vents, bathroom vents, and plumbing vent stacks. Flexible vent covers, torn screens, or loose collars make it easy for them to get in.
Once inside walls or behind siding, squirrels create hidden paths to attics and can cause a full-blown infestation if they find a nesting spot. Check vent collars, dryer vents, and pipe flashings for loose seals, missing screws, or torn mesh.
Swap out thin plastic covers for metal ones and wrap 1/4-inch hardware cloth around any penetrations. If you see chew marks near vents, set up daytime checks or a camera and fix the seals quickly to keep both babies and adults from moving deeper into your walls.
How to Prevent Squirrel Intrusion and Remove Squirrels
Start by blocking obvious holes and cutting off easy access from trees and feeders. You can go the DIY route with hardware cloth and baffles, or just hire a pro to get animals out safely.
Seal and Reinforce Entry Points
Inspect your roofline, soffits, vents, chimneys, and any gaps around fascia and siding. Cover vents and chimney tops with 1/4-inch galvanized hardware cloth.
Screw metal flashing or sheet metal over any chewed wood—skip the staples and thin mesh, since squirrels just chew through those. Replace damaged shingles and seal gaps with exterior caulk or roofing cement.
Install sturdy vent covers and add metal collars around pipe penetrations. Check dryer and wall vents, then add a metal grille that opens outward.
After repairs, watch for new chew marks for a week or two. If you’re not sure where to start, a contractor or wildlife removal team can check for weak spots and install permanent metal flashing and screened chimney caps. That keeps squirrels out and protects your wiring and insulation.
Trim Trees and Remove Attractants
Cut tree limbs so the closest branch is at least 10–15 feet away from your roof. Get rid of low branches that act as launch pads.
Keep ivy and thick shrubs trimmed back from your siding and foundation. Move bird feeders at least 20–30 feet from the house, switch to squirrel-resistant feeders, and clean up any dropped seeds or nuts.
Store pet food, compost, and trash in sealed containers. Motion-activated sprinklers near gardens can help scare squirrels away from raised beds.
Remove nesting material like loose insulation, old boxes, and dense brush piles near your place. These steps make your home a lot less tempting for squirrels looking to move in.
Professional Squirrel Removal Options
If squirrels keep sneaking into your attic or you just can’t seem to keep them out, it’s probably time to call a licensed wildlife removal company. These folks use humane live traps and one-way exclusion doors, making sure to follow local laws about relocating wildlife.
A trained crew will come out, check your place, get the animals out, and seal up those entry points as part of their service. You should definitely ask if they’ve handled squirrels before, if they carry insurance, and whether they’ll give you a written warranty for their work.
Some companies even offer attic cleanup and sanitation after the removal, which takes care of droppings and old nesting materials. Honestly, hiring professionals saves you a lot of hassle and lowers your risk of bites, disease, or another squirrel invasion.
