Flock & ALPR Cameras in Acalanes Ridge, California
Volunteers have reported 2 automated license plate readers in and around Acalanes Ridge — cameras that log every passing plate with a time and location.
Jurisdiction · by recorded street address
The 2 cameras counted on this page are every reader mapped within about 20 kilometres of Acalanes Ridge, so the count crosses municipal lines. By the street address recorded for each one, 0 of them sit inside Acalanes Ridge itself.
The rest sit in Pleasant Hill (1), Walnut Creek (1).
Source: community-mapped camera data (OpenStreetMap, ODbL), with addresses resolved by Nominatim.
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No new reports near Acalanes Ridge in the last 30 days — checked hourly, last checked Oct 7, 18:58 UTC. Cameras only get on the map when someone looks: be the one.
Where the cameras are in Acalanes Ridge
The readers mapped around Acalanes Ridge break down as 1 Flock Safety, 1 Motorola Solutions. The first camera here was reported in Apr 2026; the most recent in Jul 2026.
- Mount Diablo Boulevard — 1 reader
- Pleasant Hill Road — 1 reader
Acalanes Ridge in the Contra Costa County picture
Contra Costa County has 436 reported cameras county-wide and ranks #803 of 3,222 U.S. counties for cameras per resident. That’s across 1,161,458 residents and 4,683 road miles. By road density that is 0.09 cameras per road mile, in the top 5.1% of counties nationally.
Where contributors recorded what a camera watches, the split here is 2 traffic.
What’s watching Acalanes Ridge
These aren’t red-light cameras. Automated license plate readers like Flock Safety’s photograph every plate that passes, log the time and place, and store it in a searchable database that’s often shared far beyond Acalanes Ridge — here’s where that data goes. Counts cover cameras reported closest to Acalanes Ridge (within ~20 km), so nearby towns share the same corridors. Spot one that’s missing? Report it on DeFlock.
What you can do in Acalanes Ridge
Ask who approved these cameras, how long plate data is kept, and who it’s shared with. File a public records request, raise it at a council meeting, and see the full playbook on Take Action. Fighting this locally? Join or start a chapter and we’ll amplify you.
Not sure what one looks like? See photographs of installed cameras before you go looking.
Cameras near Acalanes Ridge
← All California cameras, counties & cities
Camera reports: the open-source DeFlock project. Place data: GeoNames (CC BY).