UNION HOTEL AND UNION HALL - View this location on map - The original hotel was a one-story adobe, the adjoining hall was a one-story frame structure. After the fire of 1866, a two-story stone hotel and a two-story frame hall with rooms upstairs for hotel guests were built. The Union Hotel was conducted as a hotel until 1955, when the Bank of America acquired the property. 35 Napa St, 35 Napa and 1st St W Sonoma, California Historical

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