San Mateo County, CA Analytics

December recorded 230 crime incidents.

November recorded 268 crime incidents.

October recorded 301 crime incidents.

Theft
Robbery
Burglary
Vandalism
Shooting
Arson
Arrest
Assault
Other
024681012141618202224262830024681012141618
10/2025
11/2025
12/2025
799Total

Crime Types

  • Arrest: 344
  • Other: 199
  • Theft: 121
  • Assault: 96
  • Vandalism: 19
  • Burglary: 14
  • Robbery: 6
  • Shooting: 0
  • Arson: 0

Crime by Month

In the past three months, October had the most number of crimes in San Mateo County, California.

October had about 1% more crime than November, with October producing 33 more crimes than November.

October had about 1% more crime than December, with October producing 71 more crimes than December.

Most Committed Crimes in San Mateo County, California

Over the past three months, Arrest was the most committed crime overall making up about 43% of crime in San Mateo County, California.

The most committed violent crime was Assault, making up about 100% of violent crime in San Mateo County, California.

The most committed property crime was Theft, making up about 90% of property crime in San Mateo County, California.

Reported Shootings in San Mateo County, California

We recorded 0 shootings over a three month period in San Mateo County, California. That's an average of about 0 shootings per month. December saw the most shootings with 0, followed by November with 0 shootings, and October with 0 shootings.

Disclaimer: SpotCrime pulls from multiple sources including news reported incidents. A majority of the crime incidents are directly from local police agencies. Occasionally, there may be duplicate crimes. The status of the crime is subject to change.

We are not the FBI. These are not official FBI numbers.

Data is based on a radius around the center point of San Mateo County. This may include crimes from adjacent agencies and agencies within the area.