The Central City S.R.O. Collaborative was established in 2001 to organize tenants of Single-Room Occupancy (S.RO.) in San Francisco’s Central City neighborhoods, including the Tenderloin and South of Market (SoMA) community. Encouraging and facilitating community organizing in Central City S.R.O. hotels, improving tenants’ access to pertinent tenant’s rights information, and access to city and state building and health code laws.