California may put restrictions on Flock camera data

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A Flock Safety automatic license plate reader camera is attached to a pole along Olive Avenue in Fresno on Feb. 19, 2026. Photo by Larry Valenzuela, CalMatters

In summary

They’re all over our roads and really good at helping police solve crimes, but do California’s automated license plate readers need limits?

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In the past year alone, they’ve helped catch suspected murderers, bank robbers and hit-and-run drivers. They’ve located dozens of stolen cars and helped send a wildland arsonist to prison.

They’re also distrusted and despised by privacy rights activists on the left and on the right. Just last month, police accused a suspect in Monterey County of yanking down three of them with his pickup.

They’re called automated license plate readers. Every day, untold numbers of Californians drive past the thousands of cameras that at least 230 police and sheriffs’ departments have posted along roadways or installed on their patrol cars. The cameras in real time capture and read plate numbers, then cross-reference them with law enforcement databases of vehicles police want to locate, such as stolen cars, getaway vehicles or those that may be carrying a missing or wanted person.

Since 2019, California Democratic lawmakers have unsuccessfully sought to further restrict how police use the technology. They’re trying again this year with a bill that would add limits on how long police may retain license plate data, how they access it and with whom they share it.

Police agencies and officers’ unions across the state oppose the latest measure, which is similar to a bill Gov. Gavin Newsom vetoed last year.

“This bill is about one simple principle: Protecting the privacy and safety of Californians while ensuring law enforcement tools are used responsibly before it’s too late,” the author of this year’s legislation, Riverside Democratic Sen. Sabrina Cervantes, told the Assembly privacy committee last month. She did not respond to a request for an interview from CalMatters.

Learn more about legislators mentioned in this story.

Sabrina Cervantes

Democrat, State Assembly, District 58 (Corona)

Critics of the technology cite high-profile examples of California police using license plate data inappropriately, including to stalk or harass innocent people. As CalMatters reported last year, California officers have repeatedly violated an 11-year-old state law that prohibits sharing the data with federal authorities and others outside the state.

404 Media also reported last year that a Texas cop searched a national license plate database to try to locate a woman who had an abortion, leading to fears that conservative states that criminalize abortion are accessing California’s plate data to hunt down patients or providers.

Cervantes’ bill would generally limit to 30 days the amount of time agencies could keep license plate data, unless it pertains to an active investigation or is part of a search for missing people. It also sets limits around who can access the data and adds training and search-tracking requirements.

Police and sheriffs’ departments would be prohibited from entering into contracts with camera companies that provide default access to plate databases that federal and out-of-state police can search.

That provision is in response to Flock Safety, a prominent license plate reader company that allowed federal authorities to search local license plate data as part of a pilot program, said Tracy Rosenberg of Oakland Privacy, one of the bill’s supporters.

“(Police departments) learned after the fact, like our advocates did,” Rosenberg said. “And we all said, ‘What the …’ You know, pick your four-letter word.”

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Flock Safety did not respond to CalMatters’ request for an interview, but the company says on its website that it doesn’t work with immigration agencies and it stopped its federal pilot programs. Local agencies have total control over the data Flock readers collect, the company said.

“By default, sharing with federal agencies is disabled,” the company wrote. “ICE does not have direct access to Flock cameras, systems or data.”

Why police are opposed

At least 39 police agencies and officers’ unions oppose...