Please answer the following question: The Marshall Smith House is a historic house at 26 Liberty Street in Waltham Massachusetts. The 2-1/2 story wood frame house was built c. 1846-47; it is one of the city's few side-gable Greek Revival houses with a single-story Doric porch spanning the main facade a full entablature and pedimented gable ends. The porch balustrade is a later addition. Marshall Smith the first owner was a chair and harness maker.The house was listed on the National Register of Historic Places in 1989. Given a list of categories: company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work, what category does the paragraph belong to?
A:
Building