The City and County of San Francisco currently pays roughly a million dollars a unit to build apartments. Not luxury apartments - apartments in general. This is

The City and County of San Francisco currently pays roughly a million dollars a unit to build apartments. Not luxury apartments - apartments in general. This is perhaps less than ideally scalable. We don't need to build housing for "ordinary middle-class people". We need to build housing, period. There's not any need for builders to "exhaust the high-end market and look to the working-class market". There's already huge swaths of SF full of units perfect for the working-class market. That's what they would be if there were other units for people at the high-end of the market to be in. If you don't know SF at all, just be aware that there are very large neighborhoods that are stuffed absolutely full of what in a sane market would be working-class units.