^^I repeat: I've never read of a builder who said he isn't building because he can't find a site. Can you site a specific example? You are ignoring what was said by BrownTown and that I was responding to: That we should bulldoze "row homes" for highrises. Are you advocating putting highrises in San Francisco's single family neighborhoods, maybe Noe Valley or the Haight? I've also never heard any San Franciscan advocate that before because it isn't necessary to find places to build whatever housing we need. But you can be the first.
I'll also repeat: IF we need new high(er) rise neighborhoods, we have good candidates in SOMA west of 4th St., Third St and Geary Blvd. There are few if any single family homes needing bulldozing there.
"Shitty row homes" needing bulldozing for high rises per Browntown
http://www.upout.com/blog/san-francisco-3/25-facts-might-not-know-painted-ladies