San Mateo County, CA Assault Rates and Assault Maps

Crime Grade's assault map shows the safest places in San Mateo County in green. The most dangerous areas in San Mateo County are in red, with moderately safe areas in yellow. Crime rates on the map are weighted by the type and severity of the crime.

Is San Mateo County, CA Safe from Assault?

The C+ grade means the rate of assault is about the same as the average US county. San Mateo County is in the 53rd percentile for safety, meaning 47% of counties are safer and 53% of counties are more dangerous. This analysis applies to San Mateo County's proper boundaries only. See the table on nearby places below for nearby counties.

The rate of assault in San Mateo County is 2.233 per 1,000 residents during a standard year. People who live in San Mateo County generally consider the central part of the county to be the safest.

Your chance of being a victim of assault in San Mateo County may be as high as 1 in 327 in the north neighborhoods, or as low as 1 in 522 in the central part of the county.

By a simple count ignoring population, more assault occurs in the northwest parts of San Mateo County, CA: about 608 per year. The northeast part of San Mateo County has fewer cases of assault with only 0 in a typical year.

How San Mateo County's Assault Rate Compares

The chart below compares the assault rate in San Mateo County to the California state average and the national average. All rates are the number of crimes per 1,000 residents in a standard year.

Considering only the assault rate, San Mateo County is safer than the California state average and safer than the national average.

See how CrimeGrade calculates these grades and rates on the CrimeGrade methodology page.

The Cost of Assault in San Mateo County, CA

Assault is projected to cost the residents of San Mateo County about $49,242,095 in 2025, or roughly $64 per resident. This is part of San Mateo County's overall Cost of Crime™. See the full cost-of-crime breakdown for San Mateo County, including every crime type and how San Mateo County compares to other counties.

Interpreting the Assault Map

Remember that assault rates are measured per resident. Places with heavy daytime traffic, like shopping districts, airports, and parks, can look more dangerous than they are for the people who live there. See a full guide to reading San Mateo County's crime maps on the San Mateo County overall crime page.

To better understand and navigate these intricate crime maps, a high-speed internet connection can be crucial. Fast and seamless online connectivity ensures that map details load efficiently, providing users with clearer, uninterrupted insights. If you're considering enhancing your online experience, check out high speed internet in San Mateo County, CA at ISP Reports.

Individual San Mateo County Crime Maps & Stats

Assault Maps and Rates for Nearby Counties

Compared to surrounding counties, the rate of assault in San Mateo County is lower. The table below shows Crime Grades for counties close to San Mateo County.

Nearby County	Overall Crime Grade	Violent Crime Grade	Property Crime Grade	Assault Crime Grade
San Francisco County, CA	F	F	F	F
Alameda County, CA	C	D+	D+	C-
Santa Clara County, CA	B+	C+	C+	B-
Contra Costa County, CA	B-	C+	C-	B-
Marin County, CA	C	D+	D	C-
San Joaquin County, CA	D+	F	D-	D-
Stanislaus County, CA	C	D	D+	D+
Merced County, CA	C+	D+	D+	D+
Tuolumne County, CA	C+	D-	C-	D-
Mariposa County, CA	B	D-	B-	D-

Assault in County with Similar Populations

San Mateo County is lower versus other counties of the same size for assault. The table below compares assault in counties with comparable overall population.

Similar County	Overall Crime Grade	Violent Crime Grade	Property Crime Grade	Assault Crime Grade
New York County, NY	C+	D+	D+	D+
Essex County, MA	A	B	B	B-
Atlantic County, NJ	A-	A-	A-	B
Erie County, PA	B	C-	C-	C-
Fulton County, GA	D+	C-	C-	D+
Jefferson County, TX	D-	D-	D-	D-
Hays County, TX	B+	B+	B+	B+
Boulder County, CO	D-	C-	C-	C
Fresno County, CA	C-	D	D	D
Clay County, FL	A+	A+	A+	A

Safety and school performance are separate topics, but both shape moving decisions. Using SchoolGrade data, schools in San Mateo County, CA average SchoolGrade of A-, with 54% actual proficiency versus 52% projected; overall, schools exceed expectations. See San Mateo County schools on SchoolGrade

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Home Security

A assault occurs on average every 5.1 hours in San Mateo County. Your home is 300% more likely to be robbed with no home security system. Want to protect your home?

Home Security Companies in San Mateo County, CA

All maps and statistics above are projections, not certainties, and provided without guarantee free of charge. Verify all info before making any decisions based on the data.