More this one than the other one.. Here's a map of SF:

https://static6.businessinsider.com/image/5342ef126da811ef6a...

All of the yellow areas have 40-ft height limits -- even though huge corridors in the yellow areas have good transit, freeway access, etc.

The Western half of the city is all single family homes or 2/3 unit apartments, it's insane:

http://calphotos.berkeley.edu/imgs/512x768/1351_3151/4303/00...