Earlier quoted context omitted.
I'm trying to imagine how you refit plumbing and elevators on a commercial building. The office building we have at work has 6 toilets per floor , and each floor is probably 50,000 sqft. If you replaced that with residential, you'd end up with, like, 70 toilets per floor, plus 50 showers, 70+ sinks, ... I mean holy crap. There's only three elevators. That'd probably work? Maybe? Plenty of parking, though.
My impression is that modern office buildings are basically stacks of exhibition halls. You can repurpose them easily and build the infrastructure you need. The biggest obstacle to converting them to residential is not plumbing or elevators but the lack of windows near the core. Of course, it's not the modern centrally located office buildings that are vacant but the older ones at more remote locations. Converting th…
Many of the older office spaces in SF might be impossible to convert under current standards; the city may have to exempt conversions from those rules or something. They might do if if the moneyed interests lobby for it.