They are also infested with fleas, ticks, lice and mites which are known transmitters of disease. Children and pets are particularly at risk. Problem Prevention Raccoons are attracted to urban areas by the easy accessibility of food, water, and shelter. Reducing or eliminating the availability of all of these factors will encourage raccoons to leave. Food should never be intentionally left out for wild mammals.
Raccoons sometimes take up residence under a low deck.
Trench around the perimeter of the deck a minimum of 12 inches deep, insert the screening in trench and backfill. Attach the top of the screening to the facade of the deck with nails or fence post staples. Before completing the final seal on the last entry point, it is wise to make sure no animals are trapped inside. On the night before completing repairs, sprinkle flour in the entrance hole and check for tracks the following morning. If no tracks are evident for 3 consecutive nights, no animals are likely to be present.