Cameras / California / San Marino
License plate readers in San Marino, CA
Volunteers have documented 42 automated license plate readers inside San Marino. That is the 134th-largest total among the 355 California cities indexed here, and 0.2% of the statewide total. At 11.2 readers per square mile, San Marino sits in the most densely covered 5% of the 2,400 US cities indexed nationally. Nearly all of them — 93% — are Flock Safety units. Every mount volunteers recorded here is the same kind: poles.
Checked against OpenStreetMap October 9, 2026 · figures last changed August 9, 2026.
42
readers documented
11.2
per square mile
134th
of 355 indexed California cities · 552nd of 2,400 nationally
0.2%
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 Safety39 · 93%
- Motorola Solutions1 · 2%
- Other vendors1 · 2%
- Unknown1 · 2%
What volunteers recorded
- Monitoring public roads
- 38 cameras are tagged as watching public streets or traffic.
- Recorded operators
- San Marino Police Department (23), Alhambra Police Department (1), San Marino PD (1). All 725 recorded ALPR operators, ranked →
- How they’re mounted
- pole (31)
- Coverage area
- 3.8 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.