Contra Costa County drivers: one quick form, top carriers compared side by side, and same-day coverage when you’re ready to buy.
Car Insurance in Every Contra Costa County City and Community
Contra Costa County is in the San Francisco Bay Area, with its county seat in Martinez. About 1,161,458 people live across its 717 square miles. It has 19 incorporated cities and towns and 34 unincorporated communities recognized by the Census Bureau, the largest being Concord, Antioch and Richmond.
Cities and towns
- Concord124,260
- Antioch115,759
- Richmond115,396
- San Ramon85,734
- Pittsburg75,868
- Walnut Creek69,790
- Brentwood64,609
- Oakley44,311
- Danville43,426
- Martinez36,926
- Pleasant Hill34,335
- San Pablo31,771
- Hercules26,245
- El Cerrito25,781
- Lafayette25,277
- Orinda19,472
- Pinole18,835
- Moraga16,790
- Clayton10,962
Unincorporated communities
- Bay Point24,065
- El Sobrante15,823
- Discovery Bay15,243
- Alamo14,441
- Blackhawk10,404
- Rodeo8,735
- Contra Costa Centre7,127
- Camino Tassajara6,395
- Saranap5,693
- Kensington5,292
- Tara Hills4,912
- Pacheco4,657
- San Miguel3,991
- North Richmond3,935
- Crockett3,642
- Rollingwood3,623
- Vine Hill3,617
- East Richmond Heights3,311
- Reliez Valley3,006
- Bayview2,533
- Bethel Island2,144
- Montalvin Manor2,080
- Mountain View2,072
- Knightsen2,018
- Byron1,876
- Castle Hill1,303
- Diablo1,072
- Acalanes Ridge1,025
- Shell Ridge998
- Alhambra Valley937
- Norris Canyon846
- North Gate719
- Clyde716
- Port Costa194
How Much Does Car Insurance Cost in Contra Costa County?
Contra Costa County drivers average a 36-minute commute, and rates can differ a lot from one ZIP code to the next inside the county. Your driving record matters most, and every carrier weighs local factors differently, so comparing quotes pays off.
Why Contra Costa County Drivers Compare Quotes With A1
Every insurance company prices risk differently. Two carriers can look at the same Contra Costa County driver, the same car and the same ZIP code and come back hundreds of dollars apart. As an independent California broker, A1 quotes multiple carriers at once, so you get the lower number without filling out a dozen forms.
Driving in Contra Costa County: What to Know
Contra Costa County commuters average 36 minutes each way, compared with 29 minutes statewide, and 60.8% drive to work alone. 66.8% of households keep two or more vehicles (state: 62.6%). Law enforcement across the county recorded 3,899 vehicle thefts in 2025, about 3.4 per 1,000 residents, close to the statewide rate of 3.2. Rates can differ a lot from one ZIP code to the next inside the same county, which is why we quote your exact address rather than a county average.
Busiest state highway corridors in Contra Costa County:
Sources: U.S. Census Bureau, American Community Survey 2019–2023; California DOJ OpenJustice (2025); Caltrans State Highway Network.
DMV Offices and Traffic Court in Contra Costa County
DMV field offices in Contra Costa County:
- Concord
2070 Diamond Blvd., Concord, CA 94520 - El Cerrito
6400 Manila Avenue, El Cerrito, CA 94530 - Pittsburg
1399 Buchanan Road, Pittsburg, CA 94565 - Walnut Creek
1910 North Broadway, Walnut Creek, CA 94596
Traffic court: Superior Court of California, County of Contra Costa (court website). Your ticket’s courtesy notice lists the exact courthouse and due date.
California Car Insurance Rules for Contra Costa County Drivers
Minimum coverage: 30/60/15
$30,000 per person and $60,000 per accident for injuries, $15,000 for property damage. Most drivers carry more.
Read the guide →Discounts you can ask for
The Good Driver Discount is at least 20% by law, plus multi-car, bundling, low-mileage and more.
See every discount →SR-22, DUI or a lapse?
Some carriers specialize in drivers others turn away. We shop the ones that fit your record.
High-risk insurance guide →Driving uninsured
The Contra Costa County Sheriff, local police and the CHP can ask for proof at any stop. Fines, impound and a license suspension can follow.
Penalties explained →Contra Costa County Car Insurance FAQ
Who has the cheapest car insurance in Contra Costa County?
No single company is cheapest for everyone in Contra Costa County. Each carrier weighs your driving record, mileage, experience, ZIP code and vehicle differently, so the cheapest option for your neighbor may not be the cheapest for you. As an independent broker, we compare multiple carriers at once to find the lowest price for your situation.
Where are traffic tickets in Contra Costa County handled?
Traffic tickets in Contra Costa County go to the Superior Court of California, County of Contra Costa. Points on your driving record raise insurance rates for years, so ask the court whether traffic school is an option.
Is car theft common in Contra Costa County?
Law enforcement in Contra Costa County recorded 3,899 vehicle thefts in 2025, about 3.4 per 1,000 residents, close to the California rate of 3.2. Comprehensive coverage is what pays if your car is stolen.