Flock & ALPR Cameras in Alta Sierra, California
Volunteers have reported 4 automated license plate readers in and around Alta Sierra — cameras that log every passing plate with a time and location.
Jurisdiction · by recorded street address
The 4 cameras counted on this page are every reader mapped within about 20 kilometres of Alta Sierra, so the count crosses municipal lines. By the street address recorded for each one, 0 of them sit inside Alta Sierra itself.
The rest sit in Grass Valley (1).
3 of them name an operator in the record: Nevada County Sheriff’s Office (3). The operator is who runs the camera, which is not always the local government.
3 cameras have no municipality recorded yet.
Source: community-mapped camera data (OpenStreetMap, ODbL), with addresses resolved by Nominatim.
Need this city’s camera data? Custom extracts are free for researchers, journalists and advocates. Ask for it.
No new reports near Alta Sierra in the last 30 days — checked hourly, last checked Oct 8, 00:16 UTC. Cameras only get on the map when someone looks: be the one.
Where the cameras are in Alta Sierra
The readers mapped around Alta Sierra break down as 4 Flock Safety. Named operators in the reports: Nevada County Sheriff’s Office. Every report here dates to Dec 2024.
- CA 49 — 1 reader
- La Barr Meadows Road — 1 reader
- Lime Kiln Road — 1 reader
- East Lime Kiln Road — 1 reader
Alta Sierra in the Nevada County picture
Nevada County has 85 reported cameras county-wide and ranks #170 of 3,222 U.S. counties for cameras per resident, inside the top 7.9% nationally. That’s across 102,452 residents and 3,234 road miles. By road density that is 0.03 cameras per road mile, in the top 23.5% of counties nationally.
Where contributors recorded what a camera watches, the split here is 4 traffic. Operators named on the record: Nevada County Sheriff’s Office (3).
Camera activity around Alta Sierra, last 30 days
1 newly reported, 1 removed in our hourly change log for Alta Sierra. Latest change logged Sep 4, 2026.
What’s watching Alta Sierra
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 Alta Sierra — here’s where that data goes. Counts cover cameras reported closest to Alta Sierra (within ~20 km), so nearby towns share the same corridors. Spot one that’s missing? Report it on DeFlock.
What you can do in Alta Sierra
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 Alta Sierra
← All California cameras, counties & cities
Camera reports: the open-source DeFlock project. Place data: GeoNames (CC BY).