I believe one possible sequence would go something like this: 1. The area that contains your rental unit is rezoned, allowing higher density 2. The current ow

I believe one possible sequence would go something like this: 1. The area that contains your rental unit is rezoned, allowing higher density 2. The current owner of the building you rent in is now able to sell the property to a developer interested in demolishing the building in favor of a taller, denser one 3. You get kicked out, and have to find an apartment at market rate (Your building being demolished is one of the few ways you can kick a tenant out in San Francisco IIRC)