Contra Costa County, CA Violent Crime Rates and Maps

B-

Violent Crime Grade	C+
Property Crime Grade	C-
Other Crime Grade	A+

Which crimes are included?

$321.0 million

Cost of Crime™ for Contra Costa County, CA

In 2025, violent crime will cost $778 per household.

More cost data

On the map, green marks the parts of Contra Costa County with the least violent crime and red marks the most, weighted by the type and severity of each offense. Violent crime concentrates where people gather after dark, near nightlife, bars, and transit, more than on residential streets. The Interpreting the Crime Maps section below explains how to read those hot spots.

The C+ grade reflects how often assault, robbery, rape, and murder occur in Contra Costa County against the average US county, where the rate is about the same as the norm. Contra Costa County sits in the 48th percentile for violent-crime safety, ahead of 48% of counties and behind 52%. The grade covers only Contra Costa County's official city boundaries. See the table below for nearby counties.

The violent crime rate in Contra Costa County is 3.740 per 1,000 residents in a typical year. Residents generally consider the southeast part of the county the safest. Your chance of being a victim ranges from 1 in 210 in the west areas to 1 in 412 in the southeast.

Counting total incidents instead of per-capita rates, the northeast parts of Contra Costa County, CA report the most violent crime, about 821 cases per year. The southeast part reports the fewest, around 264 per year.

The Cost of Crime™ in Contra Costa County, CA

The tangible cost of violent crime in Contra Costa County is projected at $321,029,050 for 2025, about $267 per resident and $778 per household. That equals 0.4% of the median household income, and it counts only the bills that can be totaled: emergency care, lost wages, and the justice response. The larger cost, the harm to victims, comes later on this page. These tangible costs split into:

Criminal justice system costs (law enforcement, courts, and imprisonment): 41.9%
Direct costs to victims (damaged property, medical expenses, and lost wages): 44.3%
Lost economic contribution from offenders (time in prison or repeat offenses): 13.7%

How Much Does Violent Crime Cost in Contra Costa County Compared to Other Counties?

Contra Costa County, CA:	$267
San Francisco County, CA:	$602
Placer County, CA:	$153
California:	$264
USA:	$258

The tangible cost of violent crime is $267 per resident each year in Contra Costa County, which is $9 more than the national average and $3 more than California's state average. The comparison below uses counties similar to Contra Costa County:

In San Francisco County, CA, crime costs $602 per person, which is $334 more than in Contra Costa County.
In Placer County, CA, crime costs $153 per person, which is $114 less than in Contra Costa County

2025 Projected Violent Crime Cost by Type

The table below breaks the violent-crime total into its four offenses for Contra Costa County, with the projected cost per resident.

Crime	Cost to Contra Costa County	Cost per Contra Costa County Resident
Murder	$172.4 million	$144
Rape/Sexual Assault	$35.3 million	$29
Robbery	$42.8 million	$36
Assault	$70.6 million	$59
Total Cost of Violent Crime	$321,029,050	$267

The Human Cost of Violent Crime in Contra Costa County, CA

Much of what violent crime costs never reaches a bill. Pain, trauma, and lost quality of life for victims and their families typically outweigh the medical and legal totals above. Research-based methods put a figure on that harm so it can be compared across places. By those methods, the human cost of violent crime in Contra Costa County totals $1,352,618,147 ($1,126 per resident). Added to the tangible costs, the full estimate reaches $1,673,647,198 ($1,394 per resident). This human toll is what sets violent crime apart from property crime in Contra Costa County, CA, where the loss is mostly replaceable property. All Cost of Crime figures come from scholarly research on the cost of crime. Read more about our methodology here.

Interpreting the Violent Crime Maps

Violent crime rates are measured per resident, so places packed with visitors after dark read high even when few people live there. Bars, clubs, event venues, and transit hubs draw the crowds where assaults and robberies cluster. How strongly this shows on the map depends on the commercial base; the south part of the county has more retail establishments. A red block full of bars and venues does not mean the homes around it are dangerous.

Transit stations show the same effect: large moving crowds, few residents, so per-capita violent crime reads high. Before judging a residential street, weigh both the per-capita rate and the total count of incidents, and note what draws crowds nearby.

The interactive maps load faster on a solid connection. Compare high speed internet in Contra Costa County, CA at ISP Reports.

Contra Costa County Violent Crime Breakdown

The table below shows which offenses feed the Violent Crime Grade above, each as crimes per 1,000 Contra Costa County residents in a standard year.

Crime Type	Crime Rate
Assault	2.045
Robbery	1.134
Rape	0.4845
Murder	0.0764
Total Violent Crime	3.740 (C+)

Individual Contra Costa County Crime Maps & Stats

Crime Maps and Rates for Nearby Counties

Compared to surrounding counties, the rate of violent crime in Contra Costa County is lower. The table below shows Crime Grades for counties close to Contra Costa County.

Nearby County	Overall Crime Grade	Violent Crime Grade	Property Crime Grade
Alameda County, CA	C	D+	D+
Solano County, CA	C+	C-	D+
San Francisco County, CA	F	F	F
Marin County, CA	C	D+	D
San Mateo County, CA	C+	C	D+
Napa County, CA	C-	D-	D
San Joaquin County, CA	D+	F	D-
Sonoma County, CA	B	C-	C-
Stanislaus County, CA	C	D	D+
Amador County, CA	B	C	C

Crime Maps and Rates for County with Similar Populations

Contra Costa County is higher versus other counties of the same size for violent crime. The table below compares crime in counties with comparable overall population in the county‘s boundaries.

Similar County	Overall Crime Grade	Violent Crime Grade	Property Crime Grade
Hawaii County, HI	D+	B-	B-
Virginia Beach City, VA	B-	A+	A+
Greenville County, SC	D	C	C
Ventura County, CA	B-	C	C
Guilford County, NC	C	C	C
Southeastern Connecticut Planning Region, CT	B+	A+	A+
Hall County, GA	B+	B	B
Hamilton County, IN	A+	A+	A+
Hamilton County, OH	D+	C+	C+
Hamilton County, TN	D-	D-	D-

Considering only the violent crime rate, Contra Costa County is safer than the California state average and as safe as the national average.

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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.