Quote Originally Posted by SokiYagami View Post
4.2 Full Patch Notes:

"An issue wherein furnishings could be placed beyond housing walls and ceilings under certain circumstances.
* Placing furnishings outside of an estate beyond a certain distance causes the furnishings to be placed back inside the estate."

I hope you all got the chance to have some fun before the server went down. I'm going to assume the other existing glitch are fixed/affected as well.
If they ever fixed the floating housing items, housing would become boring so fast.

This most likely has to do with exterior items that extend past your boundary into other houses or walkways.