The City and County of San Francisco is a consolidated city-county government in the state of California. The government was established in 1850 and is responsible for providing a wide range of services to the residents of San Francisco, including public safety, transportation, housing, and social services. The government is led by a mayor and a board of supervisors, who are responsible for setting policy and overseeing the various departments and agencies that make up the government. San Francisco is known for its progressive policies and has been a leader in areas such as environmental protection, LGBTQ rights, and healthcare.