Lizards are common pests in houses, factories & building,. There are several different types of lizards that are naturally occur in and around houses, building, factories. They may be a pest according to season or geographical regions. Lizards are pest simply by their presence indoors. They do not live or infest indoor areas but come from surrounding while most people do not like lizards or are frightened by their presence on interior walls and counters. These animals are not harmful. They will not bite people or pests.