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Plate readers © OpenStreetMap contributors · Caltrans (CC BY) · © OpenMapTiles
What is inside Diamond Bar, by camera type.
Diamond Bar: 52 cameras listed or mapped. Nearby: Unincorporated Walnut 1, Walnut 26, Rowland Heights 9 and Unincorporated Pomona 1.
Which streets in Diamond Bar have cameras?
2 cameras on 2 streets. Tap a street to see it on the map, its cameras in order.
50 plate readers name no street: see them below.
Speed cameras in Diamond Bar
None inside Diamond Bar. The nearest is on Huntington Dr (14-7), 19.6 mi outside the boundary.
Red light cameras in Diamond Bar
No red light camera program is listed here.
License plate readers in Diamond Bar
50 plate readers are on the map inside Diamond Bar. 50 carry the Flock Safety tag. 15 more are just outside.
29 of the 50 were first mapped in 2025, with 22 in October alone.
Mounted on, where known: 8 on poles, 1 on a street light and 1 on a traffic signal.
| Where | Maker tag and operator | Facing | First mapped |
|---|---|---|---|
| Diamond Bar Show on map | Flock Safety Run by: Not listed yet | Faces east (as mapped) | Oct 11, 2025 |
| Diamond Bar Show on map | Flock Safety Run by: Not listed yet | Faces south (as mapped) | Oct 11, 2025 |
| Diamond Bar Show on map | Flock Safety Run by: Not listed yet | Faces south (as mapped) | Nov 10, 2025 |
| Diamond Bar Show on map | Flock Safety Run by: Not listed yet | Faces east (as mapped) | Feb 13, 2026 |
| Diamond Bar Show on map | Flock Safety Run by: Not listed yet | Faces east-northeast (as mapped) | Apr 23, 2026 |
| Diamond Bar Show on map | Flock Safety Run by: Not listed yet | Faces south-southwest (as mapped) | Jul 17, 2026 |
| Diamond Bar Show on map | Flock Safety Run by: Not listed yet | Faces east (as mapped) | Jul 17, 2026 |
| Diamond Bar Show on map | Flock Safety Run by: Not listed yet | Faces north (as mapped) | Sep 12, 2026 |
| Diamond Bar Show on map | Flock Safety Run by: Not listed yet | Faces south-southeast (as mapped) | Sep 12, 2026 |
| Diamond Bar Near ZIP 91765 · Show on map | Flock Safety Run by: Not listed yet | Faces west-northwest (as mapped) | Dec 30, 2024 |
| Diamond Bar Near ZIP 91765 · Show on map | Flock Safety Run by: Not listed yet | Faces east-southeast (as mapped) | Dec 30, 2024 |
| Diamond Bar Near ZIP 91765 · Show on map | Flock Safety Run by: Not listed yet | Faces west-northwest (as mapped) | Sep 23, 2025 |
| Diamond Bar Near ZIP 91765 · Show on map | Flock Safety Run by: Not listed yet | Faces north-northeast (as mapped) | Sep 23, 2025 |
| Diamond Bar Near ZIP 91765 · Show on map | Flock Safety Run by: Not listed yet | Faces south (as mapped) | Sep 23, 2025 |
| Diamond Bar Near ZIP 91765 · Show on map | Flock Safety Run by: Not listed yet | Faces east-southeast (as mapped) | Sep 23, 2025 |
| Diamond Bar Near ZIP 91765 · Show on map | Flock Safety Run by: Not listed yet | Faces west (as mapped) | Oct 11, 2025 |
| Diamond Bar Near ZIP 91765 · Show on map | Flock Safety Run by: Not listed yet | Faces south (as mapped) | Oct 11, 2025 |
| Diamond Bar Near ZIP 91765 · Show on map | Flock Safety Run by: Not listed yet | Faces east (as mapped) | Oct 11, 2025 |
| Diamond Bar Near ZIP 91765 · Show on map | Flock Safety Run by: Not listed yet | Faces north (as mapped) | Oct 11, 2025 |
| Diamond Bar Near ZIP 91765 · Show on map | Flock Safety Run by: Not listed yet | Faces north (as mapped) | Oct 11, 2025 |
| Diamond Bar Near ZIP 91765 · Show on map | Flock Safety Run by: Not listed yet | Faces west (as mapped) | Oct 11, 2025 |
| Diamond Bar Near ZIP 91765 · Show on map | Flock Safety Run by: Not listed yet | Faces south (as mapped) | Oct 11, 2025 |
| Diamond Bar Near ZIP 91765 · Show on map | Flock Safety Run by: Not listed yet | Faces west-southwest (as mapped) | Oct 11, 2025 |
| Diamond Bar Near ZIP 91765 · Show on map | Flock Safety Run by: Not listed yet | Faces northeast (as mapped) | Oct 11, 2025 |
| Diamond Bar Near ZIP 91765 · Show on map | Flock Safety Run by: Not listed yet | Faces south-southwest (as mapped) | Oct 11, 2025 |
| Diamond Bar Near ZIP 91765 · Show on map | Flock Safety Run by: Not listed yet | Faces north (as mapped) | Oct 11, 2025 |
| Diamond Bar Near ZIP 91765 · Show on map | Flock Safety Run by: Not listed yet | Faces east-southeast (as mapped) | Oct 11, 2025 |
| Diamond Bar Near ZIP 91765 · Show on map | Flock Safety Run by: Not listed yet | Faces south-southwest (as mapped) | Oct 11, 2025 |
| Diamond Bar Near ZIP 91765 · Show on map | Flock Safety Run by: Not listed yet | Faces northwest (as mapped) | Oct 11, 2025 |
| Diamond Bar Near ZIP 91765 · Show on map | Flock Safety Run by: Not listed yet | Faces north-northeast (as mapped) | Oct 11, 2025 |
| Diamond Bar Near ZIP 91765 · Show on map | Flock Safety Run by: Not listed yet | Faces north (as mapped) | Oct 11, 2025 |
| Diamond Bar Near ZIP 91765 · Show on map | Flock Safety Run by: Not listed yet | Faces west (as mapped) | Oct 11, 2025 |
| Diamond Bar Near ZIP 91765 · Show on map | Flock Safety Run by: Not listed yet | Faces south (as mapped) | Oct 11, 2025 |
| Diamond Bar Near ZIP 91765 · Show on map | Flock Safety Run by: Not listed yet | Faces northeast (as mapped) | Oct 11, 2025 |
| Diamond Bar Near ZIP 91765 · Show on map | Flock Safety Run by: Not listed yet | Faces east-southeast (as mapped) | Oct 11, 2025 |
| Diamond Bar Near ZIP 91765 · Show on map | Flock Safety Run by: Not listed yet | Faces northwest (as mapped) | Nov 22, 2025 |
| Diamond Bar Near ZIP 91765 · Show on map | Flock Safety Run by: Not listed yet | Faces south (as mapped) | Nov 22, 2025 |
| Diamond Bar Near ZIP 91765 · Show on map | Flock Safety Run by: Not listed yet | Faces west-southwest (as mapped) | Apr 12, 2026 |
| Diamond Bar Near ZIP 91765 · Show on map | Flock Safety Run by: Not listed yet | Faces south-southeast (as mapped) | Apr 14, 2026 |
| Diamond Bar Near ZIP 91765 · Show on map | Flock Safety Run by: Not listed yet | Faces west-northwest (as mapped) | Apr 14, 2026 |
| Diamond Bar Near ZIP 91765 · Show on map | Flock Safety Run by: Not listed yet | Faces east-southeast (as mapped) | Apr 14, 2026 |
| Diamond Bar Near ZIP 91765 · Show on map | Flock Safety Run by: Not listed yet | Faces west-southwest (as mapped) | Jun 16, 2026 |
| Diamond Bar Near ZIP 91765 · Show on map | Flock Safety Run by: Not listed yet | Faces east-southeast (as mapped) | Jun 16, 2026 |
| Diamond Bar Near ZIP 91765 · Show on map | Flock Safety Run by: Not listed yet | Faces northwest (as mapped) | Jun 30, 2026 |
| Diamond Bar Near ZIP 91765 · Show on map | Flock Safety Run by: Not listed yet | Faces south-southeast (as mapped) | Jun 30, 2026 |
| Diamond Bar Near ZIP 91765 · Show on map | Flock Safety Run by: Not listed yet | Faces south-southeast (as mapped) | Jun 30, 2026 |
| Diamond Bar Near ZIP 91765 · Show on map | Flock Safety Run by: Not listed yet | Faces north (as mapped) | Jun 30, 2026 |
| Diamond Bar Near ZIP 91765 · Show on map | Flock Safety Run by: Not listed yet | Faces southeast (as mapped) | Jul 18, 2026 |
| Diamond Bar Near ZIP 91765 · Show on map | Flock Safety Run by: Not listed yet | Faces east-northeast (as mapped) | Jul 26, 2026 |
| Diamond Bar Near ZIP 91765 · Show on map | Flock Safety Run by: Not listed yet | Faces south (as mapped) | Aug 23, 2026 |
What the plate readers in Diamond Bar keep
- Records
- The plate of each car that passes, with the time and place. Often a photo of the car.
- Run by
- Not listed yet.
- Kept for
- Not published on the map. Each operator sets its own. Flock Safety’s FAQ: “Flock recommends a 7-day default.”
- Who sees it
- Whoever runs it, and those it shares with. In California, a public agency may share only with other public agencies in the state.
- How to ask
- Read the operator's policy. California requires one. Or ask the city for its records.
Who can search plate reads in Diamond Bar
EyesOnFlock lists no transparency portal for the City of Diamond Bar (LA County Sheriff, by contract), as of Oct 14, 2026. It posts no sharing list, so who can search reads from its cameras is not stated. The sharing lists of 48 agencies name it, so it can search their reads.
City of Diamond Bar (LA County Sheriff, by contract)
- Agencies on its posted sharing list
- Not stated
- Keeps each read for
- Not stated
- Agencies whose reads it can search
- 48
No transparency portal listed, Oct 14, 2026 · See its sharing lists, as of Oct 14, 2026
Get one summary email a month on new plate readers in Diamond Bar
Portal figures and sharing lists: EyesOnFlock (CC BY-SA 4.0), from Flock Safety transparency portals.
Traffic cameras in Diamond Bar
2 Caltrans cameras inside Diamond Bar, on freeways and state highways. City streets are not covered.
| Route, direction and place | Status | Picture |
|---|---|---|
| SR-57 Southbound 1 | ||
| At SR-60 · postmile 5.17 | Out of service | Image ↗ |
| SR-60 Westbound 1 | ||
| West of Brea Canyon · postmile 22.496 | Out of service | Image ↗ |
Cameras just outside Diamond Bar
Just outside the boundary: 15 plate readers and 2 traffic cameras.
- Plate reader · Pomona 100 ft
- Plate reader · Pomona 150 ft
- Traffic camera · SR-57 South, north of Sunset Crossing Rd 250 ft
- Traffic camera · SR-57 North at Temple Ave 400 ft
- Plate reader · Pomona 0.1 mi
- Plate reader · Industry 0.2 mi
The closest 4 of each type. See them all on the map.
Areas near Diamond Bar
Flock camera pages nearby: Walnut (26) · Pomona (58) · West Covina (47)
Also near Diamond Bar: San Jose Hills · East Covina · Pomona
Camera tickets near Diamond Bar
No speed camera program is listed here. The nearest is in Los Angeles: fines and how to respond.
Know when cameras in Diamond Bar change.
Free email alerts for cameras on your routes that start issuing tickets. One summary email a month.
- In your monthly summary: the day a camera near you starts issuing tickets
- New cameras mapped or reported near you
- What plate readers keep, and who runs them
- Your street, your distance, the camera types you pick
156,883 cameras listed or mapped so far.
Sources and updates
How this page was made: CamsAhead writes each page type once, then fills it with this place's data from the sources below.
- LADOT: speed camera list, checked Nov 7, 2026
- OpenStreetMap contributors: plate readers (surveillance:type=ALPR), data as of Nov 7, 2026; ODbL 1.0
- Caltrans CWWP2: Districts 6 and 7 camera list, updated daily, last Nov 7, 2026; CC BY
- US Census Bureau places: city boundary, cartographic file 2025 (public domain)
- Flock Safety FAQ: the default retention quoted in What they keep, read Oct 24, 2026
- California Civil Code §1798.90.51: the use and privacy policy rule for plate readers
- California Civil Code §1798.90.55: the rule on who a public agency may share reads with
Plate reader points are mapped by OpenStreetMap volunteers (data as of November 7, 2026).
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