Welcome to Martinez, CA
Martinez, California, is the charming county seat of Contra Costa County, situated along the Carquinez Strait in the East Bay of the San Francisco Bay Area. With a population of around 37,000, it offers a dense suburban environment combined with a down-to-earth, small-town vibe, highlighted by its historic downtown, scenic marina, and ample open spaces. Known as the long-time home of renowned naturalist John Muir and the reputed birthplace of the Martini, Martinez beautifully balances its rich local history and natural beauty with modern conveniences and its industrial roots as a refinery town.