I guess there's something I don't know about -filter syntax for this command...
get-aduser -filter {homeDirectory -like "*\faculty\homes\*"} -property homeDirectory
returns results, but...
get-aduser -filter {homeDirectory -like "\\faculty\homes\*"} -property homeDirectory
...will not. All results returned by the first have homes starting with \\faculty\homes\...
What gives?