Breadcrumb Services Field operations Public Building Safety The San Francisco Sheriff’s Office provides law enforcement patrol and security services at these public buildings: City Hall Community Assessment & Referral Center (CARC) Department of Emergency Management (DEM) Hall of Justice Lobby Medical Examiner’s Office San Francisco Municipal Transportation Agency San Francisco Main Public Library San Francisco Public Utilities Commission Department of Public Health Clinics (selected) Laguna Honda Hospital Zuckerberg San Francisco General Hospital