Flock & ALPR Cameras in Emerald Lake Hills, California
Volunteers have reported 20 automated license plate readers in and around Emerald Lake Hills — cameras that log every passing plate with a time and location.
Jurisdiction · by recorded street address
The 20 cameras counted on this page are every reader mapped within about 20 kilometres of Emerald Lake Hills, so the count crosses municipal lines. By the street address recorded for each one, 0 of them sit inside Emerald Lake Hills itself.
The rest sit in Woodside (9), Redwood City (3), San Carlos (2).
5 of them name an operator in the record: Flock Safety (5). The operator is who runs the camera, which is not always the local government.
6 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 Emerald Lake Hills in the last 30 days — checked hourly, last checked Oct 7, 16:22 UTC. Cameras only get on the map when someone looks: be the one.
Where the cameras are in Emerald Lake Hills
The readers mapped around Emerald Lake Hills break down as 11 Flock Safety, 5 of unrecorded make, 3 Motorola Solutions. Named operators in the reports: Flock Safety. The first camera here was reported in Jun 2024; the most recent in Jun 2026.
- Jefferson Avenue — 3 readers
- Edgewood Road — 3 readers
- Cañada Road — 2 readers
- The Loop Road — 2 readers
- Edgewood Trail — 1 reader
- Lakeview Way — 1 reader
- Crystal Springs Trail — 1 reader
- Edmonds Road — 1 reader
- Crestview Drive — 1 reader
- Woodside Drive — 1 reader
- Campus Cir — 1 reader
- Junipero Serra Freeway — 1 reader
+ 2 more streets and roads mapped around Emerald Lake Hills — all on the live map above.
Emerald Lake Hills 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 16 traffic. Operators named on the record: Flock Safety (5).
What’s watching Emerald Lake Hills
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 Emerald Lake Hills — here’s where that data goes. Counts cover cameras reported closest to Emerald Lake Hills (within ~20 km), so nearby towns share the same corridors. Spot one that’s missing? Report it on DeFlock.
The latest around Emerald Lake Hills
What you can do in Emerald Lake Hills
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 Emerald Lake Hills
← All California cameras, counties & cities
Camera reports: the open-source DeFlock project. Place data: GeoNames (CC BY).