Hey Jacob! Honestly, looks great to me. Mind you, this might not be saying much coming from me; I suck terribly at drawing/painting environments but from what I can tell, the angles are correct. What do you mean by depth to the structures? Are you trying to make the house seem taller? You might accomplish that through shadows and varying thickness in the lineart (shadows and lines thicker where they're furthest from the camera objective) But, again, I think you did a great job! Keep it up!! 
