The official vacancy rate is low but the unofficial vacancy rate is much higher. Many empty units are kept off the rental market due to how tilted the rights ar

The official vacancy rate is low but the unofficial vacancy rate is much higher. Many empty units are kept off the rental market due to how tilted the rights are in favor of tenants. 39 percent of the landlords surveyed in 2003 said they kept vacant apartments off the market because of regulations. [1] http://missionlocal.org/2015/06/a-closer-look-at-airbnbs-innocence-in-sfs-housing-shortage/ http://missionlocal.org/2015/06/a-closer-look-at-airbnbs-inn...