It’s cheap because it’s inconvenient to get to. 24, 93 and especially 28 are brutal driving at rush hour and there is only one commuter rail stop and it’s at the edge of town so most people will need to drive there in traffic and pay to park.

All the other issues people are discussing (other than the chemical spill) are symptoms of the low desirability of the location and corresponding low home prices (and low taxes).