yep, a ton of SROs have been lost in cities like SF https://ccsroc.net/s-r-o-hotels-in-san-francisco/ https://ccsroc.net/s-r-o-hotels-in-san-francisco/ also -

yep, a ton of SROs have been lost in cities like SF https://ccsroc.net/s-r-o-hotels-in-san-francisco/ https://ccsroc.net/s-r-o-hotels-in-san-francisco/ also - gentrification of apartment housing stock over time raising the price floor and phasing out of public housing