Cameras / California / San Mateo
License plate readers in San Mateo, CA
Volunteers have documented 84 automated license plate readers inside San Mateo. That is the 50th-largest total among the 353 California cities indexed here, and 0.4% of the statewide total. At 6.9 per square mile it is more densely covered than 93% of the 2,395 US cities indexed nationally. Nearly all of them — 90% — are Flock Safety units. Volunteers also recorded non-government operators here, including Home Depot.
Checked against OpenStreetMap September 29, 2026 · figures last changed September 26, 2026.
84
readers documented
6.9
per square mile
50th
of 353 indexed California cities · 200th of 2,395 nationally
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 Safety76 · 90%
- Motorola Solutions6 · 7%
- Other vendors1 · 1%
- Unknown1 · 1%
What volunteers recorded
- Monitoring public roads
- 37 cameras are tagged as watching public streets or traffic.
- Recorded operators
- San Mateo Police Department (41), Flock Safety (5), Home Depot (4). All 720 recorded ALPR operators, ranked →
- How they’re mounted
- pole (48), street lamp (1), traffic signal (1)
- Coverage area
- 12.1 square miles of land inside city limits.
Nearby
Learn more: How to spot a Flock Safety camera · How ALPRs work · Can you opt out? · California's ALPR statute
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, or download the aggregates in bulk.