Exterior, Flat RoofLine, and Prefab Building Type All of Scott Palamar’s selections and customizations brought the total to $150,000 for the 640-square-foot home and surrounding land. “I feel like I struck on such a novel solution because I was able to afford a home tailored to my lifestyle,” he says.  Photo 1 of 20 in 19 Companies Making Modern Prefabs Perfect for Mountain Living from Middle Ground