Cameras / California / Union City
License plate readers in Union City, CA
Volunteers have documented 28 automated license plate readers inside Union City. That is the 184th-largest total among the 329 California cities indexed here, and 0.1% of the statewide total. Its density of 1.4 per square mile places Union City near the middle of the 2,231 cities indexed nationally. Not every operator recorded here is a public agency — volunteers also logged Kaiser Permanente.
Updated August 14, 2026.
28
readers documented
1.4
per square mile
184th
of 329 indexed California cities
0.1%
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 Safety20 · 71%
- Motorola Solutions2 · 7%
- Other vendors1 · 4%
- Unknown5 · 18%
What volunteers recorded
- Monitoring public roads
- 19 cameras are tagged as watching public streets or traffic.
- Recorded operators
- California Highway Patrol (2), Kaiser Permanente (2). Who operates these cameras nationally →
- How they’re mounted
- pole (3), light pole (1)
- Coverage area
- 19.4 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.