Cities & Communities of Contra Costa

Contra Costa County is home to 19 cities and numerous unincorporated communities.

See County Supervisorial Districts map. For more information about local cities, visit the links below.

Unincorporated Communities by Supervisorial District

District 1

View District 1 website

Bayview

East Richmond Heights

El Sobrante

Kensington

Montalvin Manor

North Richmond

Rollingwood

Tara Hills

District 2

View District 2 website

Alamo

Blackhawk

Camino Tassajara

Canyon

Castle Hill

Diablo

Norris Canyon

Reliez Valley (partial)

Saranap/Parkmead

District 3

View District 3 website

Bethel Island/ Sandmound Slough

Byron

Discovery Bay

Knightsen

District 4

View District 4 website

Acalanes Ridge

Contra Costa Centre

North Gate

Reliez Valley (partial)

San Miguel

Shell Ridge

District 5

View District 5 website

Alhambra Valley

Bay Point

Briones

Clyde

Crockett

Mountain View

Pacheco

Port Costa

Reliez Valley (partial)

Rodeo

Vine Hill