Why squirrels Target Indiana Attics
Indiana's climateâcold winters (average January low of 18°F in Fort Wayne) and hot summersâdrives squirrels indoors. Attics provide insulation from temperature extremes and safe, dry nurseries. The state's abundant oak and hickory forests support high squirrel populations, especially eastern grays (Sciurus carolinensis) and fox squirrels (Sciurus niger). Urban areas like Indianapolis and Gary have even higher densities due to available food from bird feeders and trash. squirrels are relentless chewers; their incisors grow 6 inches per year, so they gnaw constantly to keep them trimmed. This leads them to chew through aluminum soffits, wood fascia, and even vinyl siding. In newer Indiana subdivisions with foam-backed siding, squirrels chew through the foam to create nesting cavities. Breeding peaks in late winter (FebruaryâMarch) and late summer (AugustâSeptember). Pregnant females seek attics for their litters of 2â8 kits. If you hear scratching in October or January, it's likely a squirrel seeking warmth rather than breedingâbut either way, it's a problem.
The One-Way Exclusion Process Step by Step
Professional exclusion starts with a thorough inspection to locate all entry points, often using ladders and attic cameras. Technicians identify active holes by looking for rub marks, droppings, and chewed edges. They install one-way exclusion doorsâclear plastic tubes or wire mesh funnelsâover the main entry. These doors allow squirrels to exit but prevent re-entry. Any secondary holes are sealed immediately with heavy-gauge steel mesh. The exclusion period lasts 3â7 days, with daily checks to ensure no squirrels are trapped inside. If a mother squirrel with pups is present, the technician must locate the nest and either remove the pups by hand (reuniting them after exclusion) or wait until the pups are mobile (usually 6 weeks old). This is why timing matters: exclusion during baby season requires extra care. Once all squirrels are out, the exclusion doors are removed, and all holes are permanently sealed using materials like galvanized steel flashing, copper mesh, or high-expansion foam with a metal backing. Damaged wood is repaired, and chewed wires are replaced or spliced by a licensed electrician if needed. Finally, insulation is inspected; if contaminated, it's removed and replaced.
Indiana Regulations and Best Practices
The Indiana Department of Natural Resources (DNR) classifies gray and fox squirrels as game animals, but they can be taken as nuisances if causing property damage. A nuisance wildlife control permit is required for any trapping or removal. Reputable companies hold these permits and follow DNR guidelines: traps must be checked every 24 hours, and relocation is strongly discouraged (squirrels often die after relocation due to territorial conflicts). Humane euthanasia is the standard. Indiana also has specific rules about exclusion timing. If pregnant or lactating females are present, many professionals will delay exclusion to avoid orphaning litters. However, if the entry point is large enough that other wildlife (raccoons, bats) could enter, immediate sealing may be necessary. Always verify that your pest control provider is licensed by the Indiana Department of Natural Resources and carries liability insurance.
What the data says before you hire squirrel control
Before you compare providers, it helps to know what independent surveys and published cost guides actually report about squirrel problems in U.S. homes. None of the figures below come from this site's own customers; each carries its source, date and population so you can weigh it yourself. If a trapper only needs to move one animal, Fixr's January 2025 U.S. publisher estimate of $75 to $125 for relocation shows how modest the job can be; it is an estimate, not a measured price, and some states restrict where squirrels may be released. Just 9.3% of residents who reported squirrels or chipmunks nearby wanted a large decrease in their numbers, according to Puri and colleagues' 2022 survey of 1,006 people in a southeastern U.S. metro area (published 2024), a neighborhood-attitude figure, not an infestation rate. Nearly two-thirds, 63.5%, of residents who reported squirrels or chipmunks nearby wanted their population left unchanged, in Puri and colleagues' 2022 survey of 1,006 people in a southeastern U.S. metro area (published 2024), a neighborhood-attitude figure rather than a measure of squirrels in homes. Fixr's January 2025 U.S. squirrel-removal cost guide prices an exclusion door at $200 to $600, matching its trapping estimate; the figure is a publisher benchmark, not a verified customer transaction or a current quote for any specific market. Thirty-seven percent of U.S. homeowners ages 25â75 in HomeTeam Pest Defense's March 2022 online survey said they had attempted do-it-yourself pest control, a self-reported behavior from a survey sponsored by a pest-control company with an undisclosed sample size. Because every figure above has a stated population and date, you can cite it when comparing providers. What none of them can tell you is what your specific property needs; that still takes an on-site inspection.