Maintenance Guides / Pest & Wildlife

Squirrel & Raccoon Attic Inspection (Pre-Denning)

Difficulty: moderateTime: 90 minsEst. Cost: $50 - $400

Why it matters

Pregnant raccoons and squirrels den in attics in winter; exclusion after kit birth ($800–2000 removal + cleanup) is far more complex and stressful than prevention. Early winter exclusion also prevents extensive insulation damage and noise disturbances.

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How to do it

  • 1

    In November, conduct a detailed exterior attic perimeter inspection using binoculars and a headlamp.

  • 2

    Identify all gaps >½ inch in soffit vents, vent pipes, fascia seams, rake trim, and soffit edges.

  • 3

    Seal small gaps (<1 inch) with expanding foam and caulk; larger gaps require hardware cloth or steel mesh.

  • 4

    Cover soffit vents with ¼-inch mesh; do not block airflow needed for attic ventilation.

  • 5

    In December, deploy live traps (Havahart brand, ~$30 each) near suspicious entry points if droppings or gnaw marks appear.

  • 6

    Check traps daily; humanely relocate captured animals per local wildlife regulations. Seal final entry holes after 2 weeks trap-free.