At this point in Glitch, housing is scarce in Alakol and Groddle Meadow. The developers of this game seem to be fighting this problem by adding more and more houses, however, I don't think that this is a sustainable method.
One thing that I think could even be considered a "bug" is the fact that deleted players can still occupy homes. Example: http://www.glitch.com/realty/LA9N79FMVLE2HQC/
Another issue is that players that haven't been online for weeks are still using homes. Obviously, it wouldn't be a good idea to simply kick these people out of their homes if they have been offline. I propose no solution to this problem, however I think it is prominent nonetheless.