Car crash statistics in Mill Valley, CA
- crashes, 2021–2025
- 467
- crashes, 2021–2025
- with an injury
- 199
- with an injury
- with a death
- 0
- with a death
Is Mill Valley 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: 467 crashes were reported in Mill Valley from 2021–2025, 199 with an injury. 43% (California: 40%) of crashes injured someone. 15% (California: 25%) were hit-and-run.
What the reports show about crashes in Mill Valley
- 43% (California: 40%) of crashes injured someone.
- 15% (California: 25%) were hit-and-run.
- 16% (California: 26%) happened between 8 p.m. and 6 a.m.
- The busiest hour was 12 p.m. (California: 5 p.m.).
- 7% were on a freeway.
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 Mill Valley
The main cause the reporting officer recorded, as a share of all 467 crashes. It is the officer's judgement at the scene.
- Unsafe speed33% · 152
- Unsafe turning or lane change22% · 104
- Failing to yield at an intersection or to turn9% · 42
- Unsafe starting or backing9% · 40
- Driving under the influence6% · 27
By type of collision: side swipe 26%, rear end 21%, hit object 19%, broadside 17%.
What time crashes happen in Mill Valley
Crashes in Mill Valley by year
| Year | Crashes | |
|---|---|---|
| 2021 | 59 | |
| 2022 | 102 | |
| 2023 | 101 | |
| 2024 | 91 | |
| 2025 | 114 |
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 Mill Valley
- 13 crashes (3%) involved a pedestrian.
- 73 crashes (16%) involved a bicyclist.
- 55 crashes (12%) involved a motorcyclist.
Common questions about crashes in Mill Valley
- How many car accidents happen in Mill Valley each year?
- Reported crashes in Mill Valley: 2021: 59, 2022: 102, 2023: 101, 2024: 91, 2025: 114. 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 Mill Valley?
- The busiest hour for reported crashes in Mill Valley is 12 p.m.. 16% (California: 26%) happened between 8 p.m. and 6 a.m.
- What causes crashes in Mill Valley?
- The main cause the reporting officer recorded, as a share of all 467 crashes: unsafe speed 33%, unsafe turning or lane change 22%, failing to yield at an intersection or to turn 9%, unsafe starting or backing 9%, driving under the influence 6%.
- How many people were killed in crashes in Mill Valley?
- No deaths were reported in 467 reported crashes in Mill Valley from 2021–2025, and 199 crashes injured someone.
- How many crashes in Mill Valley involve pedestrians, cyclists or motorcyclists?
- 13 involved a pedestrian (3%), 73 involved a bicyclist (16%), 55 involved a motorcyclist (12%), of 467 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.