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.
1 In addition, prefabricated enclosed patios can cost $10,000 to $30,000. 2  This will generally include everything ranging from materials to the labor. 3  PreviewConstruction.com states that the average cost of enclosing a patio can be around $5,000 to $15,000.