Antioch – One of the oldest towns in the county, located on the banks of the San Joaquin River.

Brentwood – Known for its agricultural history and growing suburban communities.

Clayton – A small, residential community with a charming downtown.

Concord – The largest city in Contra Costa County, known for its shopping, dining, and entertainment options.

Danville – A suburban town known for its quaint downtown and high quality of life.

El Cerrito – Located along the Interstate 80 corridor, known for its scenic views and proximity to Berkeley.

Hercules – A city with a rich industrial history, now a growing suburban area.

Lafayette – Known for its excellent schools, affluent neighborhoods, and outdoor recreation areas.

Martinez – The county seat, known for its historic downtown and waterfront.

Moraga – A small, affluent town known for its quiet, suburban atmosphere and Saint Mary’s College.

Oakley – A growing city with a mix of suburban and rural areas.

Orinda – An upscale residential community known for its scenic beauty and proximity to San Francisco.

Pinole – A small city along the coast with a historic downtown area.

Pittsburg – An industrial city located along the Sacramento River Delta.

Pleasant Hill – A suburban city known for its vibrant downtown and community events.

Richmond – A diverse city with a rich industrial history and significant waterfront.

San Pablo – A small city surrounded by Richmond, known for its diverse community.

San Ramon – A rapidly growing city, home to many corporate headquarters.

Walnut Creek – A major city known for its shopping, dining, and arts scene.