Prefabricated house:
This depends upon the size of the finished structure and whether or not you want a large open area with no internal support walls.
The longer the roof trusses must span without support the more it will cost.
Your location and the various building codes will also determine the cost.
Prefabricated shed or steel building:
Size and shape of building.
Your location and the various building codes will also determine the cost.
does anybody know the estimate cost per square foot for a prefabricated building very basic nothing fancy. just 4 walls a couple of windows and a door.