Who runs license plate readers in Mariposa County?
- Active License plate readers
- Agency
- National Park Service, Yosemite National Park
- Vendor
- —
- Devices
- —
| System | Agency | Vendor | Status | Devices |
|---|---|---|---|---|
| License plate readers | National Park Service, Yosemite National Park | — | Active | — |
On the map
- 0
- Verified by us
- 19
- Community-reported
Map data © OpenStreetMap contributors (ODbL), including community reporting via the DeFlock project. Tiles by OpenFreeMap.
What we do not know
Yosemite National Park
- Which companies manufactured, integrated, and maintain the hardware and software?
- Which cameras and sites were active, inactive, seasonal, tested, or removed in 2024, 2025, and 2026?
- Which locations are inside Mariposa County rather than neighboring counties?
- What privacy assessment, records schedule, data-management plan, and security controls govern the system?
- How often have records been released to NPS law enforcement or outside agencies?
- How does the system connect to reservations, entrance fees, passes, and visitor dashboards?
What license plate readers are
An automated license plate reader photographs every passing vehicle and records the plate, the time and the place. It does not watch suspects. It logs everyone, and the record is usually kept on a vendor’s servers.
How they work, why agencies buy them, and every county we have documented →
What you can do
Civic action
Show up
This technology is bought and renewed by boards, councils and committees that meet in public. We have not yet confirmed where each of them meets in Mariposa County.
Go to the Mariposa County hub →Personal protection
Protect yourself
Practical steps to shrink your personal data trail. Our guides publish at launch; until then, EFF's Surveillance Self-Defense is the best starting point.
Surveillance Self-Defense ↗