Hillsborough is an affluent incorporated town in San Mateo County, California, located on the San Francisco Peninsula. It is situated approximately 17 miles (27 km) south of San Francisco and 7 miles (11 km) north of San Mateo. The town covers an area of approximately 6.2 square miles (16 km²) and has a population of around 11,000 people as of the 2020 United States Census.
Carolands Chateau is a historic mansion located in Hillsborough, California. It was built by Harriet Pullman Carolan, the daughter of George Pullman, in 1914. The mansion is a four-story, 65,000 square-foot Beaux-Arts style structure, which was designed by the French architect Ernest Sanson in collaboration with the San Francisco architectural firm of Newsom & Newsom.
The Flintstone House is a unique and well-known house located in Hillsborough, California. It was designed by architect William Nicholson and built in 1976. The house is known for its distinctive design, which was inspired by the cartoon series "The Flintstones".
