Byron is a census designated place (CDP) in Contra Costa County, California, United States.
Byron sign
The San Francisco Call reporting the Byron Train Disaster, December 1902
Main Street, Byron, California 2008
Second Byron Hot Springs Hotel, 1901–1912
Brentwood is a city in Contra Costa County, California, United States. It is located in the East Bay region of the San Francisco Bay Area. The population is 66,854 as of 2022, an increase of 287% from 23,302 at the 2000 census.
Gateway to downtown Brentwood
Don José Noriega, a wealthy Californio ranchero, was granted Rancho Los Méganos in 1835, covering all of modern Brentwood.
Photo of Mount Diablo, showing Brentwood behind the mountain and to the right.