How to put a roof on to the 3rd floor and make the house look like 2 floors?

@tigerrun777The roof over the door can be made by making a box or a small room in front of your door. Make sure you have enough distance to the edge of your lot. Make a ceiling and stack a roof on top of it. Then remove the walls. Do not use the hammer tool, but click the wall and select the option remove wall. That will do the trick.
Good luck.