County record · California
San Mateo County
Technology presence
The record, by agency
San Mateo County Sheriff's Office
As of April 2024, the San Mateo County Sheriff's Office operates 66 Flock Safety automated license plate readers. The agency also has 20 Flock Safety automated license plate readers in the town of Woodside.
The San Mateo County Sheriff's Office maintains a voluntary registry of private and personal surveillance cameras.
Sources: San Mateo County Sheriff's Office
The San Mateo County Sheriff’s Office has run about 2,000 searches with Clearview AI face recognition technology, according to records obtained by Buzzfeed.
Sources: Buzzfeed News
The San Mateo County Sheriff's Office employs ShopSpotter gunshot detection technology.
Atherton Police Department
As of April 2024, the Atherton Police Department operates 49 Flock Safety automated license plate readers. The agency stores ALPR data for 365 days.
The Atherton Police Department uses body-worn cameras.
The Atheron Police Department has been using Clearview AI face recognition technology as recently as February 2022.
Sources: City of Atherton
Redwood City Police Department
As of April 2024, the Redwood City Police Department operates 25 Flock Safety automated license plate readers. The agency stores ALPR data for 30 days.
The U.S. Department of Justice awarded $150,146 to the Redwood City Police Department in 2018 as part of the Bureau of Justice Assistance's body-worn camera grant program.
Sources: U.S Department of Justicewww.ravenreport.orgwww.smdailyjournal.com
The Redwood City Police Department has used ShotSpotter gunshot detection technology since 1996.
Sources: Redwood City Police DepartmentWired
San Mateo Police Department
As of April 2024, the San Mateo Police Department operates 31 Flock Safety automated license plate readers. The agency stores ALPR data for 30 days.
In February 2018, the San Mateo Police Department announced that all officers would be equipped with Axon body-worn cameras.
The San Mateo Police Department currently has four drones and received a grant to purchase three more from Axon in 2023.
Sources: San Mateo Daily Journal
Belmont Police Department
The Belmont Police Department installed ten Flock Safety automated license plate readers in March 2025.
Sources: Belmont Police Department
The Belmont Police Department maintains a voluntary registry of private and personal surveillance cameras.
Sources: City of Belmont
East Palo Alto Police Department
The East Palo Alto Police Department operates 25 Flock Safety automated license plate readers and other cameras as of June 2025. The agency stores ALPR data for 30 days.
Sources: Flock Safety
The East Palo Alto Police Department started using ShotSpotter gunshot detection technology in 2007.
Sources: Business WireCity of East Palo AltoCity of East Palo Alto
Pacifica Police Department
The Pacifica Police Department operates automated license plate readers. In 2024, the Pacifica City Council approved 10 fixed ALPRs and 13 ALPRs for department vehicles.
The Pacifica Police Department began using body-worn cameras in 2017.
Sources: City of PacificaPacifica Police Department Facebook
San Bruno Police Department
The San Bruno Police Department operates automated license plate readers.
The San Bruno Police Department uses Axon body-worn cameras.
Brisbane Police Department
The Brisbane Police Department usees Flock Safety automated license plate readers.
Sources: Brisbane Police Department Instagram PageBrisbane Polcie DepartmentBrisbane Police
Burlingame Police Department
The Burlingame Police Department uses Flock Safety automatedl license plate readers.
Sources: Burlingame Police DepartmentBurlingame Police DepartmentThe Daily Journal
Colma Police Department
As of April 2024, the Colma Police Department operates 10 Flock Safety automated license plate readers. The agency stores ALPR data for 30 days.
Sources: Flock SafetyThe News & ObserverKRON
Daly City Police Department
The Daly City Police Department operates Flock Safety automated license plate readers.
Sources: Daly City Police DepartmentCalifornia State AuditorDaly City Police Department
Foster City Police Department
As of April 2024, the Foster City Police Department operates 20 Flock Safety automated license plate readers. The agency stores ALPR data for 30 days.
Hillsborough Police Department
As of April 2024, the Hillsborough Police Department operates 22 Flock Safety automated license plate readers. The agency stores ALPR data for 30 days.
Menlo Park Police Department
The Menlo Park Police Department sues automated license plate readers.
Sources: Menlo Park Police DepartmentMenlo Park Police DepartmentAlmanac News
Millbrae Police Department
The Millbrae City Council approved a five-year contract with Flock Safety for 23 automated license plate readers in November 2021.
Sources: The Daily Journal
South San Francisco Police Department
As of April 2024, the South San Francisco Police Department operates 28 Flock Safety automated license plate readers. The agency stores ALPR data for 30 days.
Source: EFF Atlas of Surveillance (Electronic Frontier Foundation & University of Nevada, Reno — Reynolds School of Journalism) · CC BY 4.0 · retrieved July 2026