Livermore is a city in Alameda County. Livermore is located on the eastern edge of California's San Francisco Bay Area. Traditionally, Livermore is considered the easternmost city in the Bay Area before entrance to the Central Valley. Livermore was founded by William Mendenhall and named after Robert Livermore, his friend and a local rancher who settled in the area in the 1830s. Livermore is the home of the Lawrence Livermore National Laboratory. Its south side, home to local vineyards, has developed several executive subdivisions near Ruby Hill. The city has also redeveloped its downtown district. The city is considered part of the Tri-Valley area, including Amador, Livermore and San Ramon Valleys.