Flock & ALPR Cameras in Portola Valley, California
Volunteers have reported 9 automated license plate readers in and around Portola Valley — cameras that log every passing plate with a time and location.
Jurisdiction · by recorded street address
The 9 cameras counted on this page are every reader mapped within about 20 kilometres of Portola Valley, so the count crosses municipal lines. By the street address recorded for each one, 2 of them sit inside Portola Valley itself.
The rest sit in Woodside (6), La Honda (1).
3 of them name an operator in the record: Flock Safety (3). The operator is who runs the camera, which is not always the local government.
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 Portola Valley in the last 30 days — checked hourly, last checked Oct 9, 16:33 UTC. Cameras only get on the map when someone looks: be the one.
Where the cameras are in Portola Valley
The readers mapped around Portola Valley break down as 9 Flock Safety. Named operators in the reports: Flock Safety. The first camera here was reported in Nov 2023; the most recent in Jul 2026.
- Portola Road — 4 readers
- La Honda Road — 3 readers
- Skyline Trail — 1 reader
- Preston Road — 1 reader
Portola Valley in the San Mateo County picture
San Mateo County has 628 reported cameras county-wide and ranks #164 of 3,222 U.S. counties for cameras per resident, inside the top 7.6% nationally. That’s across 745,100 residents and 1,847 road miles. By road density that is 0.34 cameras per road mile, in the top 0.4% of counties nationally.
Where contributors recorded what a camera watches, the split here is 9 traffic. Operators named on the record: Flock Safety (3).
What’s watching Portola Valley
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 Portola Valley — here’s where that data goes. Counts cover cameras reported closest to Portola Valley (within ~20 km), so nearby towns share the same corridors. Spot one that’s missing? Report it on DeFlock.
What you can do in Portola Valley
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 Portola Valley
← All California cameras, counties & cities
Camera reports: the open-source DeFlock project. Place data: GeoNames (CC BY).