In addition some states have specific prescribed petroleum hydrocarbon methods for each range, and some even for each class of hydrocarbons (aliphatic or aromatic) being tested.
Executive Homes Cost More. A prefabricated home costing $259,000 in materials only, will end up costing approximately $581,000 to $854,000 with the land costs, building costs and additional expenditures.This home will have an average of 6,200 square feet with two floors, a full basement, four bedrooms and three full baths. prefabricated home costing $259,000 in materials only, will end up costing approximately $581,000 to $854,000 with the land costs, building costs and additional expenditures.
Typical costs: 1  The average sales price nationwide for a new manufactured home in 2007 ranged from $37,100 for a single-wide and $73,600 for a double-wide (not including land), according to an annual report by the Census Bureau and the Department of Housing and Urban Development.