Cameras / California / San Mateo
License plate readers in San Mateo, CA
Volunteers have documented 77 automated license plate readers inside San Mateo. That is the 49th-largest total among the 329 California cities indexed here, and 0.4% of the statewide total. At 6.3 per square mile it is more densely covered than 93% of the 2,231 US cities indexed nationally. Not every operator recorded here is a public agency — volunteers also logged Home Depot.
Updated August 14, 2026.
77
readers documented
6.3
per square mile
49th
of 329 indexed California cities
0.4%
of California’s documented total
Dot colors follow the manufacturer legend below. Boundary: U.S. Census Bureau, 2025 Cartographic Boundary Files. Locations: © OpenStreetMap contributors.
Who makes them
- Flock Safety69 · 90%
- Motorola Solutions6 · 8%
- Other vendors1 · 1%
- Unknown1 · 1%
What volunteers recorded
- Monitoring public roads
- 30 cameras are tagged as watching public streets or traffic.
- Recorded operators
- San Mateo Police Department (41), Flock Safety (5), Home Depot (4). Who operates these cameras nationally →
- How they’re mounted
- pole (48), street lamp (1)
- Coverage area
- 12.1 square miles of land inside city limits.
Nearby
Learn more: What a Flock camera looks like · How ALPRs work · California ALPR law
These locations were documented in the field by OpenStreetMap volunteers and refresh automatically every six hours. They are evidence of where cameras have been seen — not a complete or official inventory, and cameras may have been added or removed since documentation. Corrections happen upstream: edit OpenStreetMap and this page will update. Read more in our methodology.