Place it, go to the Object Editor and in the Field Data - Is a Building, set it to False for a while, rotate it and return to the Object Editor and Set Is a Building to True again. The rotation will remain, both the custom values of the fields lost when changing the "Is Building".
Ghan has said he has fixed this. Monovertex please confirm this fix. This was only a problem with people that had signatures in the upper levels like not the special members but the respected members.