• Log Home- Can be found in North American history as early as the 17^th Century, a log home is a structure built with horizontal logs interlocked at the corners by notching  
• Cape Cod- Can be traced back to New England from the 17^th century, a Cape Cod house is a low, borad, single-story frame building with a moderately steep pitched gabled roof, a large central chimney, and very little ornamentation
• Craftsman- Embracing simplicity, handiwork and natural materials, craftsman home plans are cozy, often with single siding and stone details. Open porches with overhanging beams and rafters are common to craftsman homes, as are projecting eaves and a low-pitched gable
• Contemporary- Encompasses a range of styles developed in the latter half of the 20^th century. Pieces softened and rounded lines as opposed to the stark lines seen in modern
• Colonial- Colonial homes usually have two or three stories, fireplaces and brick or wood facades. The classic Colonial house floor plan has the kitchen and family room on the first floor and the bedrooms on the second floor. Colonials are easy to add on to at the side or the back
• Mid Century Modern- Characterized by flat planes, large glass windows and open space, the style focused on simple design and seamless integration of nature
• Ranch- a domestic architectural style originating in the United States. The ranch is noted for it’s long, close to the ground profile and wide open layout
• Townhouse- A type of home that’s usually constructed as a two or three-story unit with a common wall or walls bordering the adjacent unit. The common form of ownership is similar to a condo  
• Victorian- Victorian architecture is a series of architectural revival styles in the mid-to-late 19^th century. Victorian refers to the reign of Queen Victoria, the Victorian era, during which period the styles known as Victorian were used in construction
• Cottage- A cottage is typically a small house. In modern usage, a cottage is usually a modest, often cozy dwelling, typically in a rural or semi-rural location
• Gambrel- A gambrel or gambrel roof is usually a symmetrical two-sided roof with two slopes on each side. The upper slope is positioned at a shallow angle, while the lower slope is steep
• Saltbox- A saltbox house is a traditional New England style house with a long, pitched roof that slopes down in the back, generally a wooden frame house. A saltbox has just one story in the back and two stories in the front
• Split-level- A split-level home is a style of house in which the floor levels are staggered. There are typically two short sets of stairs, one running upward to a bedroom level and one going downward toward a basement area

Sources: Google Definitions/Wikipedia