bring back. No one would ever think that PM looked like it needed paint because Disney was too cheap to do proper maintenance!
So, aside from individual examples of possible inspiration from old Ken Anderson ideas, I wouldn't look at PM and attribute the general idea of a run-down old house to him but rather to a more general tradition about what haunted houses are supposed to look like.
P.S. 40th anniversary for HBG's return sounds like a real possibility to me. It would be just the thing to make that anniversary special, wouldn't it?