http://www.211sandiego.org/housing-information

Sober living:
http://www.sdslc.org/
http://www.nhsoberlivingsandiego.com/
http://www.soberhousing.net/san-diego-sober-living.html

Shelters:
http://www.211sandiego.org/shelter-and-homeless-services
http://www.homelessshelterdirectory.org/cgi-bin/id/city.cgi?city=San%20Diego&state=CA
http://portal.hud.gov/hudportal/HUD?src=/states/california/homeless/shelters/sdgshelter

Affordable Apartment Search through Section 8:
http://www.hud.gov/apps/section8/step2.cfm?state=CA%2CCalifomia

Califomia To Apply for Sect 8:
http://portal.hud.gov/hudportal/HUD?src=/program_offices/public_indian_housing/pha/contacts/ca

San Diego Housing Commission:
http://www.sandiego.gov/housing/resources/index.shtml

List of SRO's (Single room occupancy):
http://www.amikas.org/section/single-room-occupancy-hotels-sros