We provide high quality law enforcement, fire, and medical dispatch and communications services.

The 9-1-1 Communications Center is a Public Safety Answering Point (PSAP) and dispatch center providing the residents of San Mateo County a vital link to emergency response personnel from medical, fire, police, and sheriff’s office services.


Core Services

Primary and Secondary PSAP providing 911 callers access to public safety resources. This program also provides access to translation services and hearing impaired translation if needed.

PSC is an accredited center of excellence and provides services to all fire departments within San Mateo County; all 911 ambulances and provides pre-approved instruction through Medical Priority Dispatch Systems (MPDS) protocol.


Communications and dispatch services to:

San Mateo County Pre-Hospital Care Emergency Medical JPA

Ambulance Contractor American Medical Response (AMR) and the South San Francisco Rescue Ambulances

Law Enforcement Agencies: San Mateo County Sheriff's Office – serving the unincorporated areas of San Mateo County, and contract cities of Half Moon Bay, San Carlos, Millbrae, Portola Valley and Woodside; Daly City Police Department; East Palo Alto Police Department; Broadmoor Police Department; and Transit Police.

San Mateo County Departments or Contractors: Probation, Coroner, Public Works, Information Services, Area Office of Emergency Services, District Attorney, Superior Court, Peninsula Humane Society, Environmental Health, Parks, and Building Inspector.

Mutual aid communications coordination Law Enforcement and Fire; Direct emergency alarm monitoring for private homes and businesses for a fee; Fire line internal support of essential 911 equipment and systems.

County Message Switch Maintenance and programming; Mobile Communications and Field Support for County SWAT Team; Public Education and Relations Events; Special Detail Dispatching ie., Countywide Gang Task Force, Avoid the 23, Transit Night Games; Support of the Public Safety Paging System; On-site programming for CAD and Public Safety Systems; Alternate 911 PSAP for Allied Agencies; Emergency Back-up for police dispatch centers in the County, and Customer CAD enhancements for customer agencies.