Los Angeles County

This is the best-documented county on the site, and it is worth being precise about what that means.

Most counties researched here publish a policy manual assembled from a vendor’s template and nothing that establishes whether the equipment in it exists. Los Angeles publishes the policy, the count, the unit cost, the vote that changed the rules, the Sheriff’s letters explaining why the change was late, an Inspector General’s review of the draft, and a Civil Grand Jury asking for more than the Sheriff agreed to give. Almost every fact on the two system pages here comes from a county document, and most of them from a county document written to check another county document.

The Sheriff’s Department runs about 1,200 fixed plate reader cameras and equips about 44 of its 2,400 patrol cars. A majority of the fixed cameras are in cities that contract with the Sheriff for policing and paid for the equipment themselves, which is why the rules are not uniform: Santa Clarita funded cameras on a thirty-day deletion condition, and the Sheriff keeps its own reads for two years. Five people run the whole thing.

In September 2025 the Board of Supervisors voted 4-1 to have the Sheriff write civil-immigration limits into the plate reader privacy policy. The policy now contains them. It took about seven months instead of the ninety days the Board asked for, and the Sheriff wrote to the Board four times in between saying so.

The drone fleet is 177 aircraft, itemised down to the unit price in the annual report state law requires. Twenty of them are made by the same company that sells plate reader cameras. The same report says the Department cannot yet give a departmentwide account of how any of them were used.

What this county does not cover

Los Angeles County has 88 cities. None of them was researched. Only the Sheriff’s Department was. The county’s own record already names several city programmes with their own equipment and their own retention rules, and this site documents none of them yet. The Los Angeles Police Department is a City of Los Angeles agency and is not covered here either.

Community contributors have mapped 3,331 plate reader devices across the whole county in OpenStreetMap, most with no operator recorded and some belonging to retail chains. That count is not comparable with the Sheriff’s 1,200 and is never merged with it: one is an agency reporting its own equipment, the other is what volunteers have found across every jurisdiction in the county.