I would be surprised if that were the real blocker in SF, though. If you look at this graphic, the yellow areas are all zoned to build no taller than 40 feet:

I would be surprised if that were the real blocker in SF, though. If you look at this graphic, the yellow areas are all zoned to build no taller than 40 feet: http://static6.businessinsider.com/image/5342ef126da811ef6aba14fa-917-687/sf-building-height-zoning-1.jpg http://static6.businessinsider.com/image/5342ef126da811ef6ab...