Nicholls House and Woolen Mill Site - Nicholls House and Woolen Mill Site is a historic home and mill site located near Wellsburg Brooke County West Virginia. The house was built in 1893 and is a 2 1/2 story red-glazed brick building in the Second Empire style. It has a tower and mansard roof. It features a full front porch with Doric order columns in the Colonial Revival style. Given a choice of categories company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work, the text refers to which one?
A:
Building