Shanelle Scales-Preston was just elected as Contra Costa County’s next District 5 supervisor, making her the first African-American woman elected to the county’s Board of Supervisors.

Contra Costa County Supervisor Shanelle Scales-Preston will hold a town hall meeting Thursday evening on last month's Martinez Refining Company fire.

Resident Donna Vanni accused the refinery of a willingness to pay fines from the Bay Area Air District because they're making "billions." She said she can't plant in her garden because of ...