具体操作我没做过，

但我查了些可行性，先了解规定，

https://default.sfplanning.org/projects/community-stabilization/condominium-conversion-restrictions.htm

https://andysirkin.com/subdivision-and-condominium-conversion/condominium-conversion-eligibility/san-francisco-condominium-conversion-eligibility-and-process/

我有时很想做，有时觉得太麻烦，还不如一下子买个多单位的，但有rental control，各有千秋。