No. 5 Most Expensive Small Town: Belvedere, Calif.
County: Marin Population: 2,079 Median home value: $1,919,700 YOY Change: -4.7% Five-year Annualized Change: -0.6%
This hilly city, surrounded on three sides by the waters of San Francisco Bay, offers views of San Francisco, Angel Island, the Golden Gate Bridge, Sausalito, and Mt. Tamalpais, according to the city. Nearly 80 percent of homes in Belvedere were built before 1970, including one-fourth built in 1939 or earlier, according to Census Bureau data.