Triple deckers are three-story houses that feature a distinct architectural design, characterized by three full floors of living space. These houses are commonly found in urban areas and are often used as multi-family homes. While the term triple deckers is well-known, there are several other synonyms to describe these types of buildings. Some of these synonyms include three-deckers, three-story homes, triplexes, and three-unit apartment buildings. Other terms used to describe triple deckers include triple-flats, three-flats, and three-families. No matter what term is used, triple deckers are a popular housing option for families looking for more living space in urban areas.