After a motor vehicle collision in Diamond Bar, California, you might be filing an auto insurance claim. You must obtain a copy of your Diamond Bar accident report as soon as possible following an auto accident, for insurance purposes.
At AccidentReports.com, we can help you retrieve a copy of this important document for your records, as soon as it’s available.
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5Source: NHTSA FARS 2024 Annual Report File
Fatal crashes in Diamond Bar, 2024
6Source: NHTSA FARS 2024 Annual Report File
Deaths in Diamond Bar fatal crashes, 2024
0.1%Source: Computed from the NHTSA FARS 2024 Annual Report File
Share of California's 3,583 fatal crashes, 2024
80%Source: Computed from the NHTSA FARS 2024 Annual Report File (4 of 5)
Of fatal crashes with a known time happened between 6 p.m. and 6 a.m.
Crash-level figures are from the NHTSA FARS 2024 Annual Report File, the latest year published; the file can still be revised.
Diamond Bar quick facts list the newest sourced crash figures for Diamond Bar, taken from NHTSA publications.
Figures come from NHTSA; the 2025 numbers are early estimates and NHTSA revises them in early 2027, and the 2024 crash-level file can still be revised.
The bars count Diamond Bar's 2024 fatal crashes by manner of collision, as coded in FARS. The first-listed type is the most common.
At AccidentReports.com, you can search our extensive collision report information center to get a copy of your crash report online. To begin your search, fill out the form on this page and submit your accident information.
If you were involved in a crash and you need to obtain a copy of your CA accident report, the team at AccidentReports.com can help. Our site features an innovative collision report information center that you can search to locate a copy of your crash report. Begin your search now by filling out the form on this page and submitting your accident information to get assistance.
Fill Out the Form on this Page to Begin Your Online Accident Report Search
Private citizens in Arizona are not required to file a crash report, however, a police officer that responds to the scene of an auto accident is required to fill one out if:
You must remain at the scene of the accident until law enforcement arrives. After you’ve spoken to the responding police officer, you will be cleared to leave. During this time, the police officer will ask you a series of questions regarding the events that led up to the accident and will obtain your personal information. All of this information will be documented in the accident report.
If you were involved in an auto accident and it meets the conditions mentioned above, a police officer must fill out an accident report. In most cases, they will be required to complete the form within twenty-four hours.
The crash report will contain the following information regarding traffic collisions:
Identifying information regarding all of the parties involved including witnesses, such as:
The form will also include a narrative description concerning the facts surrounding the accident, as well as a simple diagram of the accident scene, the police officer’s name, identification number, and police agency.
Each dot is a fatal crash in Diamond Bar, California from NHTSA's Fatality Analysis Reporting System (FARS), 2020 to 2024, placed at the latitude and longitude the investigating agency reported. The map shows 29 crashes and 31 deaths; the few crashes coded to Diamond Bar, California but reported far outside it are left off. Map data © OpenStreetMap contributors.
Loading map of 29 fatal crashes…
The deadliest hour is 3a–4a and the deadliest day is Saturday. 76% of crashes with a known time happened between 6 PM and 6 AM.
| Hour | Sun | Mon | Tue | Wed | Thu | Fri | Sat | All |
|---|---|---|---|---|---|---|---|---|
| 12a–1a | 1 | 0 | 0 | 0 | 2 | 0 | 0 | 3 |
| 1a–2a | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 2 |
| 2a–3a | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1 |
| 3a–4a | 0 | 0 | 1 | 1 | 0 | 0 | 2 | 4 |
| 4a–5a | 2 | 0 | 0 | 0 | 0 | 0 | 1 | 3 |
| 5a–6a | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 2 |
| 6a–7a | 1 | 0 | 0 | 0 | 1 | 0 | 1 | 3 |
| 7a–8a | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 8a–9a | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 9a–10a | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 10a–11a | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 11a–12p | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 |
| 12p–1p | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1p–2p | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 2 |
| 2p–3p | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 3p–4p | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 4p–5p | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 5p–6p | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1 |
| 6p–7p | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 7p–8p | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 |
| 8p–9p | 0 | 0 | 1 | 0 | 0 | 1 | 1 | 3 |
| 9p–10p | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 |
| 10p–11p | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 |
| 11p–12a | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 |
31 people died and 21 more were injured, including 9 pedestrians killed.
Everyone involved in these fatal crashes, by the most serious injury recorded.
Cars were in the most fatal crashes; motorcycles and mopeds were in 4.
Every vehicle in these fatal crashes, by body type.
Source: NHTSA FARS Annual Report Files 2020-2024 (accident.csv), 2020–2024. Fatal crashes only (FARS covers every crash in which someone died within 30 days); an intersection is listed when two or more fatal crashes were reported at the same pair of roads. Map © OpenStreetMap contributors, OpenFreeMap.
These are fatal crashes in Diamond Bar recorded in NHTSA's Fatality Analysis Reporting System (FARS) for 2024, the latest year NHTSA has published crash-level data. FARS counts 5 fatal crashes and 6 deaths in Diamond Bar that year; the table lists all of them, newest first. The 2024 file is NHTSA's Annual Report File and can still be revised. A dash means the field was not reported or the crash happened outside city limits.
| Case number | County | City | Crash date | Time | Road / Highway | Collision type | Fatalities |
|---|---|---|---|---|---|---|---|
| 61764 | Los Angeles | Diamond Bar | Sep 10, 2024 | 17:35 | PATHFINDER RD at SR-57 RAMP | Front-to-Rear | 2 |
| 62837 | Los Angeles | Diamond Bar | Jul 3, 2024 | 01:34 | SR-57 ORANGE FWY | Single/non-collision: Other Fixed Object | 1 |
| 62830 | Los Angeles | Diamond Bar | Jun 29, 2024 | 03:05 | SR-60 POMONA FWY | Front-to-Rear | 1 |
| 60785 | Los Angeles | Diamond Bar | Jun 8, 2024 | 04:08 | SR-57 | Single/non-collision: Pedestrian | 1 |
| 60906 | Los Angeles | Diamond Bar | May 11, 2024 | 22:05 | FERN HOLLOW DR | Single/non-collision: Curb | 1 |
Questions
You can get a copy of your Diamond Bar police report at AccidentReports.com, or you can go through the Walnut/Diamond Bar Sheriff’s Station. The Walnut/Diamond Bar Sheriff’s Station offers two ways you can request a copy of your accident report.
You can visit the Law Enforcement Services Department in person and fill out a Records Request Form to obtain a copy of your collision report. You must show valid photo ID and pay the crash report fee. The Walnut/Diamond Bar Sheriff’s Station is located at:21695 E. Valley Blvd.Walnut, CA91789
Walnut: (909) 595-2264,
Diamond Bar: (626) 913-1715
You can request a copy of your report by mail. You must include a self-addressed, stamped envelope, a copy of your valid photo ID, the accident report fee, accident details, including the date and location of the accident, report number, and names of involved parties. Send your request to: ATTN: Records Request21695 E. Valley Blvd.Walnut, CA91789
You must wait seven business days from the date of the accident to request a copy of your crash report. Contact the department five to seven business days after you have requested your report to ensure it’s available for pickup. Mail requests are processed in the order they’re received. If you have not received your report in the mail fifteen business days after you sent your request, contact the department by phone.
A Walnut/Diamond Bar Sheriff’s Station accident report may cost $5 to $30 per copy.
Accident reports carefully detail the aftermath of an auto accident and include the following details:
If you sustained injuries in a motor vehicle crash, you may be entitled to compensation to cover the cost of your accident-related losses. Obtaining a copy of your collision report can help strengthen your case. Reports contain vital information, including a description of your injuries, statements made by drivers and passengers, and witnesses, a description of vehicle damage, any citations issued, any arrests made, a diagram of the crash site, the police officer’s opinion concerning which party was negligent, and more. If you hire a personal injury attorney, they will use this information when negotiating with the other driver’s insurance carrier, to help you receive compensation for your losses.
Tell us the crash date and the responding agency and we will help you find the report.
