He still holds the record for the most consecutive cases won in Contra Costa County.

Serving Contra Costa County, he went on to hold this position for three consecutive terms, until his retirement in 1980.

For 60 years, our institutions have been a vital part of Contra Costa County.

Lafayette was the tenth post office established in Contra Costa County.

The peak lies entirely within the bounds of Contra Costa County.

Lamorinda is located in the central part of Contra Costa County.

Thornhill later became a toll road to Contra Costa County.

Solar panel industries face a serious problem across the country and in Contra Costa County specifically.

It is the largest enclosed arena in Contra Costa County.

A stage coach line ran up the canyon and over the summit into Contra Costa County.