Most infomration here is for my personal use.
Where to look for housing?
ApartmentList, Homesuite, Roomster
BBS(bay123, dealmoon, chineseinsfbay.com, mitbbs)
Various social groups (Facebook, WeChat, etc.)
Apartments.com, rentjungle.com, mynewplace.com, apartmentsearch.com, myapartmentmap.com, renthop.com, hotpads.com
Local information board (e.g., in front of Ranch 99 in bay area), mailing lists