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.
Modular Homeowners estimates that the average cost per square foot of a completed home to be built â not including the cost of land (including taxes or fees), the setup of utilities, or exterior touches (driveways, landscaping, and porches) â is $110.odular Homeowners estimates that the average cost per square foot of a completed home to be built â not including the cost of land (including taxes or fees), the setup of utilities, or exterior touches (driveways, landscaping, and porches) â is $110.