What to Do When You Hear Scratching in the Attic in Berkeley

Scratching in an attic does not identify the animal by itself, but repeated nighttime movement, gnawing, or scurrying deserves attention. The safest response is to document the pattern, limit disturbance, check accessible areas for evidence, and arrange a focused inspection.

Note when and where the sound occurs

Record the time, duration, and part of the ceiling or attic where the sound is strongest. Rodent activity is often more noticeable when the building is quiet. A simple log can help distinguish a recurring travel route from a one-time exterior noise.

Look for signs without disturbing contamination

From safe, accessible locations, look for droppings, shredded material, disturbed insulation, gnawing, rub marks, or gaps near attic vents and eaves. Do not enter tight or unstable areas, and do not sweep or vacuum accumulated droppings without appropriate precautions.

Protect people, pets, and stored food

Keep children and pets away from areas where droppings or nesting material are present. Store food, bird seed, and pet food in secure containers. Close interior doors where practical, but do not seal a suspected exterior opening until you know whether animals remain inside.

Avoid closing an active route too early

An opening may be the route rodents are using to leave and return. Sealing it before a removal plan is in place can trap animals inside walls or the attic. Inspection, trapping or removal, and exclusion should be coordinated in the correct order.

Inspect the roofline and exterior transitions

Attic access often comes from upper-level gaps: eaves, roof returns, vents, flashing transitions, damaged screens, or places where cables and pipes enter. Ground-level gaps can also lead upward through wall cavities. A complete inspection considers both the sound location and the exterior routes that connect to it.

Plan cleanup after activity is controlled

The appropriate cleanup depends on the amount of contamination, the materials affected, and access conditions. Addressing active rodents and closing confirmed entry points comes before restoring or replacing affected insulation in most practical workflows.

Watch for continued activity

After removal and repairs, monitor for new sounds, droppings, or disturbance. Continued evidence may indicate another opening, an unrecognized travel path, or activity in a different part of the structure.

Berkeley inspection and rodent exclusion

Learn about our Berkeley rodent control and exclusion service, or call ASAP Rodent Exclusion Pro at 833-322-3329 to request an inspection.