Data last rebuilt 2026-10-01

Car crash statistics in San Marino, CA

538 traffic crashes were reported in San Marino from 2021–2025, 220 with an injury. Below: how many each year, what time of day, and the main causes officers recorded.
crashes, 2021–2025
538
crashes, 2021–2025
with an injury
220
with an injury
with a death
0
with a death

Is San Marino dangerous to drive?

We don't rate cities as safe or unsafe: crash counts can't say how risky a street is, and busy streets have more crashes partly because more people use them. This page covers traffic crashes, not crime. What the records show: 538 crashes were reported in San Marino from 2021–2025, 220 with an injury. 41% (California: 40%) of crashes injured someone. 24% (California: 25%) were hit-and-run.

What the reports show about crashes in San Marino

  • 41% (California: 40%) of crashes injured someone.
  • 24% (California: 25%) were hit-and-run.
  • 18% (California: 26%) happened between 8 p.m. and 6 a.m.
  • The busiest hour was 5 p.m. (California: 5 p.m.).

Set against all reported crashes in California, 2021–2025. Without traffic counts these can't say how risky a street is.

Main causes of crashes in San Marino

The main cause the reporting officer recorded, as a share of all 538 crashes. It is the officer's judgement at the scene.

  • Unsafe speed21% · 112
  • Unsafe turning or lane change17% · 92
  • Failing to yield at an intersection or to turn11% · 59
  • Running a red light or stop sign10% · 53
  • Unsafe starting or backing8% · 43

By type of collision: broadside 26%, side swipe 23%, rear end 22%, hit object 18%.

What time crashes happen in San Marino

12 a.m.6 a.m.12 p.m.6 p.m.11 p.m.

Crashes in San Marino by year

YearCrashes
2021128
202241
202380
2024122
2025167

The latest year can rise as late reports come in, and some police departments file months late.

People on foot, on bikes and on motorcycles in San Marino

  • 11 crashes (2%) involved a pedestrian.
  • 24 crashes (4%) involved a bicyclist.
  • 5 crashes (1%) involved a motorcyclist.

Common questions about crashes in San Marino

How many car accidents happen in San Marino each year?
Reported crashes in San Marino: 2021: 128, 2022: 41, 2023: 80, 2024: 122, 2025: 167. The latest year can rise as late reports come in, and some police departments file their reports months late.
What time do most crashes happen in San Marino?
The busiest hour for reported crashes in San Marino is 5 p.m.. 18% (California: 26%) happened between 8 p.m. and 6 a.m.
What causes crashes in San Marino?
The main cause the reporting officer recorded, as a share of all 538 crashes: unsafe speed 21%, unsafe turning or lane change 17%, failing to yield at an intersection or to turn 11%, running a red light or stop sign 10%, unsafe starting or backing 8%.
How many people were killed in crashes in San Marino?
No deaths were reported in 538 reported crashes in San Marino from 2021–2025, and 220 crashes injured someone.
How many crashes in San Marino involve pedestrians, cyclists or motorcyclists?
11 involved a pedestrian (2%), 24 involved a bicyclist (4%), 5 involved a motorcyclist (1%), of 538 reported crashes from 2021–2025.
Where does this data come from?
Police crash reports in the California Crash Reporting System (CCRS), published by the state on data.ca.gov. Every reported crash is counted, whatever the vehicles, and no locations are used.

Source: California Crash Reporting System (CCRS), 2021–2025. Every crash police reported is counted, whatever the vehicles. Busy streets show more crashes partly because more people use them. Data last rebuilt 2026-10-01. How the data works.