Looking at Zillow there are currently three condos for sale near downtown that are either directly on or within a tenth of a mile of Pleasant St, which has a bus route. Granted that's still not a ton of options but it's also the middle of winter. It's pretty near comparable to the number of options someone looking for a single family home in Newton Square or Tatnuck would be facing at the moment, for example. Or really just most single requirements imposed on a search would get you to that limited a selection.

But maybe there are other requirements that haven't been specified that limit the options even further.