Freestone is an unincorporated community in Sonoma County, California, in the United States. A former stone and logging town, Freestone is the entryway to the Bohemian Highway. In 1974, Freestone became the first historic district named by Sonoma County. The downtown comprises a handful of historic buildings with a selection of local businesses, inclu…Freestone is an unincorporated community in Sonoma County, California, in the United States. A former stone and logging town, Freestone is the entryway to the Bohemian Highway. In 1974, Freestone became the first historic district named by Sonoma County. The downtown comprises a handful of historic buildings with a selection of local businesses, including a cheese shop, winery, bakery, and a day spa. Freestone has a population of 32.